George W. Roberts

Ahmed, T. S., Abdelaziz, O. Y., & Roberts, G. W. (2016). Preparation of Al2O3/AlF3-supported ruthenium catalysts for the hydrogenolysis of biodiesel-derived crude glycerol. Industrial & Engineering Chemistry Research, 55(19), 5536–5544.

Hussain, Y. A., Liu, T., & Roberts, G. W. (2012). Synthesis of cross-linked, partially neutralized poly(acrylic acid) by suspension polymerization in supercritical carbon dioxide. Industrial & Engineering Chemistry Research, 51(35), 11401–11408.

Zhang, R. H., Li, X. K., Cao, G. P., Shi, Y. H., Liu, H. L., Yuan, W. K., & Roberts, G. W. (2011). Improved kinetic model of crystallization for isotactic polypropylene induced by supercritical CO(2): Introducing pressure and temperature dependence into the Avrami equation. Industrial & Engineering Chemistry Research, 50(18), 10509–10515.

Cain, N., Roberts, G., Kiserow, D., & Carbonell, R. (2011). Modeling the thermodynamic and transport properties of decahydronaphthalene/propane mixtures: Phase equilibria, density, and viscosity. FLUID PHASE EQUILIBRIA, 305(1), 25–33. https://doi.org/10.1016/j.fluid.2011.02.009

Cain, N., Haywood, A., Roberts, G., Kiserow, D., & Carbonell, R. (2011). Polystyrene/Decahydronaphthalene/Propane Phase Equilibria and Polymer Conformation Properties from Intrinsic Viscosities. JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 49(15), 1093–1100. https://doi.org/10.1002/polb.22282

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2010). Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: A model for understanding the molecular-weight distribution. CHEMICAL ENGINEERING SCIENCE, 65(2), 651–659. https://doi.org/10.1016/j.ces.2009.08.039

Dong, L. B., Turgman-Cohen, S., Roberts, G. W., & Kiserow, D. J. (2010). Effect of Polymer Size on Heterogeneous Catalytic Polystyrene Hydrogenation. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 49(22), 11280–11286. https://doi.org/10.1021/ie1011905

Cao, G.-P., Liu, T., & Roberts, G. W. (2010). Predicting the Effect of Dissolved Carbon Dioxide on the Glass Transition Temperature of Poly(acrylic acid). JOURNAL OF APPLIED POLYMER SCIENCE, 115(4), 2136–2143. https://doi.org/10.1002/app.31278

Kim, J., Kim, Y. J., Kim, J. D., Ahmed, T. S., Dong, L. B., Roberts, G. W., & Oh, S. G. (2010). The effect of prepolymer crystallinity on solid-state polymerization of poly(bisphenol A carbonate). Polymer, 51(12), 2520–2526.

Roberts, G. W. (2009). Chemical reactions and chemical reactors. Hoboken, NJ: John Wiley & Sons.

Kim, J., Dong, L. B., Kiserow, D. J., & Roberts, G. W. (2009). Complex Effects of the Sweep Fluid on Solid-State Polymerization: Poly(bisphenol A carbonate) in Supercritical Carbon Dioxide. MACROMOLECULES, 42(7), 2472–2479. https://doi.org/10.1021/ma802193q

Dong, L. B., Carbonell, R. G., Roberts, G. W., & Kiserow, D. J. (2009). Determination of polystyrene-carbon dioxide-decahydronaphthalene solution properties by high pressure dynamic light scattering. POLYMER, 50(24), 5728–5732. https://doi.org/10.1016/j.polymer.2009.09.069

Du, L., Kelly, J. Y., Roberts, G. W., & DeSimone, J. M. (2009). [Review of Fluoropolymer synthesis in supercritical carbon dioxide]. JOURNAL OF SUPERCRITICAL FLUIDS, 47(3), 447–457. https://doi.org/10.1016/j.supflu.2008.11.011

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2009). Kinetics of the Homopolymerization of Vinylidene Fluoride and Its Copolymerization with Hexafluoropropylene in Supercritical Carbon Dioxide: The Locus of Polymerization. Macromolecules, 42(1), 148–155. https://doi.org/10.1021/ma801911j

Kelly, M. J., Kim, J., Roberts, G. W., & Lamb, H. H. (2008). Characterization of Pd/gamma-Al2O3 Catalysts Prepared Using [Pd(hfac)(2)] in Liquid CO2. TOPICS IN CATALYSIS, 49(3-4), 178–186. https://doi.org/10.1007/s11244-008-9075-2

Kim, J., Kelly, M. J., Lamb, H. H., Roberts, G. W., & Kiserow, D. J. (2008). Characterization of palladium (Pd) on alumina catalysts prepared using liquid carbon dioxide. JOURNAL OF PHYSICAL CHEMISTRY C, 112(28), 10446–10452. https://doi.org/10.1021/jp711495n

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2008). Continuous copolymerization of vinylidene fluoride with hexafluoropropylene in Supercritical carbon dioxide: High-hexafluoropropylene-content amorphous copolymers. MACROMOLECULES, 41(9), 3086–3097. https://doi.org/10.1021/ma702526u

Spivey, J. J., Wilcox, E. M., & Roberts, G. W. (2008). Direct utilization of carbon dioxide in chemical synthesis: Vinyl acetate via methane carboxylation. CATALYSIS COMMUNICATIONS, 9(5), 685–689. https://doi.org/10.1016/j.catcom.2007.08.023

Kim, J., Roberts, G. W., & Kiserow, D. J. (2008). Effect of prepolymer molecular weight on solid state polymerization of poly(bisphenol a carbonate) with nitrogen as a sweep fluid. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 46(15), 4959–4969. https://doi.org/10.1002/pola.22819

Kim, J., Gracz, H. S., Roberts, G. W., & Kiserow, D. J. (2008). Spectroscopic analysis of poly(bisphenol A carbonate) using high resolution C-13 and H-1 NMR. POLYMER, 49(2), 394–404. https://doi.org/10.1016/j.polymer.2007.11.046

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2007). Continuous copolymerization of vinylidene fluoride with hexafluoropropylene in Supercritical carbon dioxide: Low hexafluoropropylene content semicrystalline copolymers. MACROMOLECULES, 40(26), 9322–9331. https://doi.org/10.1021/ma0713613

Mahammad, S., Roberts, G. W., & Khan, S. A. (2007). Cyclodextrin - hydrophobe complexation in associative polymers. SOFT MATTER, 3(9), 1185–1193. https://doi.org/10.1039/b700167c

Chin, P., Roberts, G. W., & Ollis, D. F. (2007). Kinetic Modeling of photocatalyzed soot oxidation on titanium dioxide thin films. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 46(23), 7598–7604. https://doi.org/10.1021/ie070083t

Royer, J. R., & Roberts, G. W. (2006). Continuous method and apparatus for separating polymer from a high pressure carbon dioxide fluid stream. Washington, DC: U.S. Patent and Trademark Office.

Ahmed, T. S., DeSimone, J. M., & Roberts, G. W. (2006). Copolymerization of vinylidene fluoride with hexafluoropropylene in supercritical carbon dioxide. MACROMOLECULES, 39(1), 15–18. https://doi.org/10.1021/ma051268j

Liu, T., DeSimone, J. M., & Roberts, G. W. (2006). Cross-linking polymerization of acrylic acid in supercritical carbon dioxide. POLYMER, 47(12), 4276–4281. https://doi.org/10.1016/j.polymer.2006.03.103

Mahammad, S., Prud'homme, R. K., Roberts, G. W., & Khan, S. A. (2006). Kinetics of enzymatic depolymerization of guar galactomannan. BIOMACROMOLECULES, 7(9), 2583–2590. https://doi.org/10.1021/bm060333+

Liu, T., DeSimone, J. M., & Roberts, G. W. (2006). Kinetics of the precipitation polymerization of acrylic acid in supercritical carbon dioxide: The locus of polymerization. CHEMICAL ENGINEERING SCIENCE, 61(10), 3129–3139. https://doi.org/10.1016/j.ces.2005.11.052

Liu, T., Garner, P., DeSimone, J. M., Roberts, G. W., & Bothun, G. D. (2006). Particle formation in precipitation polymerization: Continuous precipitation polymerization of acrylic acid in supercritical carbon dioxide. MACROMOLECULES, 39(19), 6489–6494. https://doi.org/10.1021/ma061260p

Chin, P., Sun, X. L., Roberts, G. W., & Spivey, J. J. (2006). Preferential oxidation of carbon monoxide with iron-promoted platinum catalysts supported on metal foams. APPLIED CATALYSIS A-GENERAL, 302(1), 22–31. https://doi.org/10.1016/j.apcata.2005.11.030

Kim, J., Roberts, G. W., & Kiserow, D. J. (2006). Supported Pd catalyst preparation using liquid carbon dioxide. CHEMISTRY OF MATERIALS, 18(20), 4710–4712. https://doi.org/10.1021/cm061440d

Whittier, R. E., Xu, D. W., Zanten, J. H., Kiserow, D. J., & Roberts, G. W. (2006). Viscosity of polystyrene solutions expanded with carbon dioxide. JOURNAL OF APPLIED POLYMER SCIENCE, 99(2), 540–549. https://doi.org/10.1002/app.22483

Cotugno, S., Di Maio, E., Mensitieri, G., Iannace, S., Roberts, G. W., Carbonell, R. G., & Hopfenberg, H. B. (2005). Characterization of microcellular biodegradable polymeric foams produced from supercritical carbon dioxide solutions. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 44(6), 1795–1803. https://doi.org/10.1021/ie049445c

Liu, T., Desimone, J. M., & Roberts, G. W. (2005). Continuous precipitation polymerization of acrylic acid in swercritical carbon dioxide: The polymerization rate and the polymer molecular weight. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 43(12), 2546–2555. https://doi.org/10.1002/pola.20728

Sirijaruphan, A., Goodwin, J. G., Rice, R. W., Wei, D. G., Butcher, K. R., Roberts, G. W., & Spivey, J. J. (2005). Effect of metal foam supports on the selective oxidation of CO on Fe-promoted Pt/gamma-Al2O3. Applied Catalysis. A, General, 281(02-Jan), 18-.

Kennedy, K. A., Roberts, G. W., & DeSimone, J. M. (2005). Heterogeneous polymerization of fluoroolefins in supercritical carbon dioxide. POLYMER PARTICLES, Vol. 175, pp. 329–346. https://doi.org/10.1007/b100114

Xu, D. W., Carbonell, R. G., Kiserow, D. J., & Roberts, G. W. (2005). Hydrogenation of polystyrene in CO2-expanded solvents: Catalyst poisoning. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 44(16), 6164–6170. https://doi.org/10.1021/ie040243q

Sirijaruphan, A., Goodwin, J. G., Rice, R. W., Wei, D. G., Butcher, K. R., Roberts, G. W., & Spivey, J. J. (2005). Metal foam supported Pt catalysts for the selective oxidation of CO in hydrogen. Applied Catalysis. A, General, 281(02-Jan), 09-.

Kiserow, D. J., Shi, C. M., Roberts, G. W., Gross, S. M., & DeSimone, J. M. (2005). Solid-state polymerization of poly(bisphenol A carbonate) facilitated by supercritical carbon dioxide. ADVANCES IN POLYCARBONATES, Vol. 898, pp. 86–94. https://doi.org/10.1021/bk-2005-0898.ch007

Royer, J. R., & Roberts, G. W. (2004). Continuous method and apparatus for separating polymer from a high pressure carbon dioxide fluid stream. Washington, DC: U.S. Patent and Trademark Office.

Ahmed, T. S., Desimone, J. M., & Roberts, G. W. (2004). Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: modeling the molecular weight distribution. Chemical Engineering Science, 59(22-23), 5139–5144.

DeSimone, J. M., Roberts, G. W., & Charpentier, P. A. (2004). Multimodal fluoropolymers and methods of making the same. Washington, DC: U.S. Patent and Trademark Office.

Wilcox, E. M., Roberts, G. W., & Spivey, J. J. (2003, December 1). Direct catalytic formation of acetic acid from CO2 and methane. CATALYSIS TODAY, Vol. 88, pp. 83–90. https://doi.org/10.1016/j.cattod.2003.08.007

Shi, C. M., Roberts, G. W., & Kiserow, D. J. (2003). Effect of supercritical carbon dioxide on the diffusion coefficient of phenol in poly(bisphenol A carbonate). JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 41(11), 1143–1156. https://doi.org/10.1002/polb.10459

Xu, D. W., Carbonell, R. G., Kiserow, D. J., & Roberts, G. W. (2003). Kinetic and transport processes in the heterogeneous catalytic hydrogenation of polystyrene. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 42(15), 3509–3515. https://doi.org/10.1021/ie0301841

Roberts, G. W., Chin, P., Sun, X. L., & Spivey, J. J. (2003). Preferential oxidation of carbon monoxide with Pt/Fe monolithic catalysts: interactions between external transport and the reverse water-gas-shift reaction. APPLIED CATALYSIS B-ENVIRONMENTAL, 46(3), 601–611. https://doi.org/10.1016/j.apcatb.2003.07.002

Sun, X. L., & Roberts, G. W. (2003). Synthesis of higher alcohols in a slurry reactor with cesium-promoted zinc chromite catalyst in decahydronaphthalene. APPLIED CATALYSIS A-GENERAL, 247(1), 133–142. https://doi.org/10.1016/S0926-860X(03)00093-0

Kennedy, K. A., Desimone, J. M., & Roberts, G. W. (2002). A commentary on "Carbon dioxide-poly(vinylidene fluoride) interactions at high pressure". JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 40(6), 602–604. https://doi.org/10.1002/polb.10103

Saraf, M. K., Gerard, S., Wojcinski, L. M., Charpentier, P. A., DeSimone, J. M., & Roberts, G. W. (2002). Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: Formation of polymers with bimodal molecular weight distributions. MACROMOLECULES, 35(21), 7976–7985. https://doi.org/10.1021/ma0203602

Saraf, M. K., Wojcinski, L. M., Kennedy, K. A., Gerard, S., Charpentier, P. A., DeSimone, J., & Roberts, G. W. (2002, June). Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: Molecular weight distribution. MACROMOLECULAR SYMPOSIA, Vol. 182, pp. 119–129. https://doi.org/10.1002/1521-3900(200206)182:1<119::AID-MASY119>3.0.CO;2-P

Gross, S. M., Bunyard, W. C., Erford, K., Roberts, G. W., Kiserow, D. J., & DeSimone, J. M. (2002). Determination of the equilibrium constant for the reaction between bisphenol A and diphenyl carbonate. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 40(1), 171–178. https://doi.org/10.1002/pola.10098

Sun, X. L., Jones, N. W., Gesick, J. C., Xu, L. L., & Roberts, G. W. (2002). Liquid/catalyst interactions in slurry reactors: changes in tetrahydroquinoline composition during methanol synthesis over zinc chromite. APPLIED CATALYSIS A-GENERAL, 231(1-2), 269–280. https://doi.org/10.1016/S0926-860X(02)00069-8

Wilcox, E. M., Roberts, G. W., & Spivey, J. J. (2002). Thermodynamics of light alkane carboxylation.

Goodner, M. D., Gross, S. M., Desimone, J. M., Roberts, G. W., & Kiserow, D. J. (2001). Broadening of molecular-weight distribution in solid-state polymerization resulting from condensate diffusion. JOURNAL OF APPLIED POLYMER SCIENCE, 79(5), 928–943. https://doi.org/10.1002/1097-4628(20010131)79:5<928::AID-APP170>3.0.CO;2-X

Frankel, K. A., Jang, B. W. L., Spivey, J. J., & Roberts, G. W. (2001). Deactivation of hydrodechlorination catalysts I. Experiments with 1.1.1-trichloroethane. APPLIED CATALYSIS A-GENERAL, 205(1-2), 263–278. https://doi.org/10.1016/S0926-860X(00)00577-9

Frankel, K. A., Jang, B. W. L., Roberts, G. W., & Spivey, J. J. (2001). Deactivation of hydrodechlorination catalysts II - Experiments with 1,1-dichloroethylene and 1,1-dichloroethane. APPLIED CATALYSIS A-GENERAL, 209(1-2), 401–413. https://doi.org/10.1016/S0926-860X(00)00784-5

Frankel, K. A., Spivey, J. J., & Roberts, G. W. (2001). Mathematical model of the deactivation of Pt/alumina catalyst during the hydrodechlorination of 1,1,1-trichloroethane. Catalyst Deactivation 2001: Proceedings of the 9th International Symposium, Lexington, KY, USA, 7-10 October 2001 (Studies in Surface Science and Catalysis;  139), 139, 439–446.

Roberts, G. W., & Kilpatrick, P. K. (2001). Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product. Washington, DC: U.S. Patent and Trademark Office.

Shi, C., DeSimone, J. M., Kiserow, D. J., & Roberts, G. W. (2001). Reaction Kinetics of the Solid-State Polymerization of Poly(bisphenol A carbonate) Facilitated by Supercritical Carbon Dioxide. Macromolecules, 34(22), 7744–7750. https://doi.org/10.1021/ma011068h

Shi, C. M., Gross, S. M., DeSimone, J. M., Kiserow, D. J., & Roberts, G. W. (2001). Reaction kinetics of the solid state polymerization of poly(bisphenol A carbonate). MACROMOLECULES, 34(7), 2060–2064. https://doi.org/10.1021/ma001942r

Gross, S. M., Roberts, G. W., Kiserov, D. J., & DeSimone, J. M. (2001). Synthesis of high molecular weight polycarbonate by solid-state polymerization. MACROMOLECULES, 34(12), 3916–3920. https://doi.org/10.1021/ma001958h

Goodner, M. D., DeSimone, J. M., Kiserow, D. J., & Roberts, G. W. (2000). An equilibrium model for diffusion-limited solid-state polycondensation. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 39(8), 2797–2806. https://doi.org/10.1021/ie990648o

Charpentier, P. A., DeSimone, J. M., & Roberts, G. W. (2000, December). Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: Modeling the rate of polymerization. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, Vol. 39, pp. 4588–4596. https://doi.org/10.1021/ie000354z

Gross, S. M., Roberts, G. W., Kiserow, D. J., & DeSimone, J. M. (2000). Crystallization and solid-state polymerization of poly(bisphenol A carbonate) facilitated by supercritical CO2. MACROMOLECULES, 33(1), 40–45. https://doi.org/10.1021/ma990901w

Roberts, G. W., Carbonell, R. G., & Saez, A. E. (2000). Gas-lift reactors for rapid reactions with appreciable gas consumption. Chemical Engineering & Technology, 23(1), 80–87. https://doi.org/10.1002/(sici)1521-4125(200001)23:1<80::aid-ceat80>3.0.co;2-m

Shreiber, E. H., & Roberts, G. W. (2000). Methanol dehydrogenation in a slurry reactor: evaluation of copper chromite and iron/titanium catalysts. APPLIED CATALYSIS B-ENVIRONMENTAL, 26(2), 119–129. https://doi.org/10.1016/S0926-3373(00)00114-4

Roberts, G. W., & Kilpatrick, P. K. (2000). Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product. Washington, DC: U.S. Patent and Trademark Office.

Charpentier, P. A., Kennedy, K. A., DeSimone, J. M., & Roberts, G. W. (1999). Continuous Polymerizations in Supercritical Carbon Dioxide:  Chain-Growth Precipitation Polymerizations. Macromolecules, 32(18), 5973–5975. https://doi.org/10.1021/ma990377t

Marquez, H. A., Saez, A. E., Carbonell, R. G., & Roberts, G. W. (1999). Coupling of hydrodynamics and chemical reaction in gas-lift reactors. AIChE Journal, 45(2), 410–423. https://doi.org/10.1002/aic.690450220

See, K. H., Roberts, G. W., & Saez, E. A. (1999). Effect of drag and frictional losses on the hydrodynamics of gas-lift reactors. AICHE JOURNAL, 45(11), 2467–2471. https://doi.org/10.1002/aic.690451121

Marquez, M. A., Amend, R. J., Carbonell, R. G., Saez, A. E., & Roberts, G. W. (1999, July). Hydrodynamics of gas-lift reactors with a fast, liquid-phase reaction. CHEMICAL ENGINEERING SCIENCE, Vol. 54, pp. 2263–2271. https://doi.org/10.1016/S0009-2509(98)00351-0

Roberts, G. W., Marquez, M. A., & Haney, C. A. (1999). Liquid catalyst interactions in slurry reactors: methanol synthesis over zinc chromite. APPLIED CATALYSIS A-GENERAL, 183(2), 395–410. https://doi.org/10.1016/S0926-860X(99)00076-9

Shreiber, E. H., Rhodes, M. D., & Roberts, G. W. (1999). Methanol dehydrogenation with Raney copper in a slurry reactor. Applied Catalysis. B, Environmental, 23(1), 9–24.

Biales, J. M., Di Wan, Y., Kilpatrick, P. K., & Roberts, G. W. (1999). Separation of Fischer-Tropsch wax from catalyst using near-critical fluid extraction: Analysis of process feasibility. ENERGY & FUELS, 13(3), 667–677. https://doi.org/10.1021/ef980208u

Gross, S. M., Flowers, D., Roberts, G., Kiserow, D. J., & DeSimone, J. M. (1999). Solid-State Polymerization of Polycarbonates Using Supercritical CO2. Macromolecules, 32(9), 3167–3169. https://doi.org/10.1021/ma981395y

Fields, D. L., Lim, P. K., & Roberts, G. W. (1998). Catalytic destruction of methyl tertiary butyl ether (MTBE) with a Pt/Rh monolithic automotive exhaust catalyst. APPLIED CATALYSIS B-ENVIRONMENTAL, 15(1-2), 93–105. https://doi.org/10.1016/s0926-3373(97)00039-8

Saez, A. E., Marquez, M. A., Roberts, G. W., & Carbonell, R. G. (1998). Hydrodynamic model for gas-lift reactors. AICHE JOURNAL, 44(6), 1413–1423. https://doi.org/10.1002/aic.690440619

Roberts, G. W., Marquez, M. A., & McCutchen, M. S. (1997). Alcohol synthesis in a high-temperature slurry reactor. CATALYSIS TODAY, 36(3), 255–263. https://doi.org/10.1016/S0920-5861(96)00243-X

Roberts, G. W., Marquez, M. A., McCutchen, M. S., Haney, C. A., & Shin, I. D. (1997). High-temperature slurry reactors for synthesis gas reactions .1. Liquid thermal stability. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 36(10), 4143–4154. https://doi.org/10.1021/ie970136e

Charpentier, P. A., DeSimone, J. M., & Roberts, G. W. Apparatus for continuous production of polymers in carbon dioxide.

Khan, S. A., Roberts, G. W., & Royer, J. R. CO2-assisted deploymerization, purification and recycling of step-growth polymers. Washington, DC: U.S. Patent and Trademark Office.

Charpentier, P. A., Desimone, J. M., & Roberts, G. W. Continuous polymerizations in supercritical carbon dioxide. Clean Solvents: Alternative Media for Chemical Reactions and Processing, 819, 113–135.

Charpentier, P. A., DeSimone, J. M., & Roberts, G. W. Continuous process for making polymers in carbon dioxide. Washington, DC: U.S. Patent and Trademark Office.

Roberts, G. W., Xu, D., Kiserow, D. J., & Carbonell, R. G. Hydrogenation of polymers in the presence of supercritical carbon dioxide. Washington, DC: U.S. Patent and Trademark Office.

Mahammad, S., Abdala, A., Roberts, G. W., & Khan, S. A. Manipulation of hydrophobic interactions in associative polymers using cyclodextrin and enzyme. Soft Matter, 6(17), 4237–4245.

Royer, J., DeSimone, J. M., Roberts, G. W., & Khan, S. A. Methods of CO2-assisted reactive extrusion. Washington, DC: U.S. Patent and Trademark Office.

Xu, D. W., Carbonell, R. G., Roberts, G. W., & Kiserow, D. J. Phase equilibrium for the hydrogenation of polystyrene in CO2-swollen solvents. Journal of Supercritical Fluids, 34(1), 09-.