Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By membrane – selective septum – or coalescer
Reexamination Certificate
2004-12-20
2009-11-17
Nguyen, Tam M (Department: 1797)
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By membrane, selective septum, or coalescer
Reexamination Certificate
active
07619129
ABSTRACT:
A process for the separation of olefinic hydrocarbons from a liquid feedstock composition comprising at least one olefinic hydrocarbon and at least one paraffinic hydrocarbon, said process comprising contacting the liquid feedstock with a supported ionic liquid membrane wherein the supported ionic liquid membrane comprises a membrane impregnated with an ionic liquid composition.
REFERENCES:
patent: 5135547 (1992-08-01), Tsou et al.
patent: 6339182 (2002-01-01), Muson et al.
patent: 6579343 (2003-06-01), Brennecke et al.
patent: 6623659 (2003-09-01), Munson et al.
patent: 19929482 (2001-03-01), None
patent: 311903 (1989-04-01), None
patent: 458598 (1991-11-01), None
patent: 2169301 (1986-07-01), None
patent: 01/40150 (2001-06-01), None
patent: WO0247802 (2002-06-01), None
patent: 02/078821 (2002-10-01), None
Chem. Commun. 2000 195-196.
Angew. Chem. Int. Ed. 2002 41, No. 15 pp. 2771-2773.
Chem. Evr. J., 2002, 8, No. 17 pp. 3865-3871.
De Jong, F.; Visser, H.C. in Comprehensive Supramolecular Chemistry, eds. Atwood, J.L.; Davies, J.E.D.; MacNicol, D.D.; Vogtle, F.; Lehn, J-M.; Reinhoudt, D.N. Elsevier Science, Oxford, 1996, vol. 10, Chapter 2, p. 13-46.
Branco et al., “Highly selective transport of organic compounds by using supported liquid membranes based on ionic liquids” Angewandte Chemie. International Edition, vol. 41, No. 15, 2002, pp. 2771-2773, XP002326750.
Branco et al., “Studies on the selective tansport of organic compounds by using ionic liquids as novel supported liquid membranes” Chemistry—A European Journal, vol. 8, No. 17, 2002, pp. 3865-3871, XP002326751.
J Mater Chem. Rev. 99,1999 2071-2084—Thomas Welton, Room-Temperature Ionic Liquids. Solvents for Synthesis and Catalysis, Chem. Rev. 1999, 99, pp. 2071-2083.
Chem 8,1998 2627-2636—Charles M. Gordon, John D. Holbrey, Alan R. Kennedy and Kenneth R. Seddon, “Ionic liquid crystals: hexafluorophosphate salts,” J. Mater. Chem. 1998, 8, pp. 2627-2636.
Chem. Commun.2000 1261-1262—Hoon Sik Kim, Jae Hee Ryu, Honggon Kim, Byoung Sung Ahn and Yong Soo Kang, “Reversible olefin complexation by silver ions in dry poly(vinyl methyl ketone) membrane and its application to olefin/paraffin separations,” Chem. Commun. 200, pp. 1261-1262.
Chem. Commun.2000 195-196—Young Hee Kim, Jae Hee Ryu, Jin Yong Bae, Yong Soo Kang, and Hoon Sik Kim, “Reactive polymer membranes containing cuprous complexes in olefin/paraffin separation,” Chem. Commun., 2000, pp. 195-196.
Angew. Chem. Int.Ed. 2002 41, No. 15 pp. 2771-2773—Luis C. Branco, Joao G. Crespo, and Carlos A. M. Afonso, “Highly Selective Transport of Organic Compounds by Using Supported Liquid Membranes Based on Ionic Liquids,” Angew. Chem. Int. Ed. 2002, 41, No. 15, pp. 2771-2773.
Chem. Evr. J.,2002, 8, No. 17 pp. 3865-3871—Luis C. Branco, Joao G. Crespo, and Carlos A. M. Afonso, “Studies on the Selective Transport of Organic Compounds by Using Ionic Liquids as Novel Supported Liquid Membranes,” Chem. Eur. J. 2002, 8, No. 17, pp. 3865-3871.
J Chem. Tech. Biotech.68, 1997 351-356—Kenneth R. Seddon, “Ionic Liquids for Clean Technology,” J. Chem. Tech. Biotechnol. 0268-2575/97, pp. 351-356.
J. Phys. Condensed Matter.vol. 5 (Supp 34B) 1993 B99-B106—John E. Enderby, “Ionic liquids: recent progress and remaining problems,” J. Phys.: Condens. Matter 5 (1993) pp. B99-B106.
Chem&Eng. News,Mar. 30, 1998 32-37—Michael Freemantle, “Designer Solvents,” Chemical and Engineering News, Mar. 30, 1998, pp. 32-37.
De Jong, F.; Visser, H.C. in Comprehensive Supramolecular Chemistry, eds. Atwood, J.L.; Davies, J.E.D.; MacNicol, D.D.; Vogtle, F.; Lehn, J-M.; Reinhoudt, D.N. Elsevier Science, Oxford, 1996, vol. 10, Chapter 2, pp. 13-46.
De Jong Feike
De With Jan
Nguyen Tam M
Shell Oil Company
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