Polymerization of i-butene in hydrocarbon media using...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C526S185000, C526S190000, C526S194000, C526S198000, C526S339000, C526S348700, C568S003000, C556S121000

Reexamination Certificate

active

10817465

ABSTRACT:
A method is provided for cationically polymerizing olefin monomer by using a novel coinitiator in the presence of water. More specifically, a method is provided for cationically polymerizing olefin monomer by using a novel coinitiator in an aqueous suspension or aqueous emulsion polymerization process.

REFERENCES:
patent: 5198401 (1993-03-01), Turner et al.
patent: 5376744 (1994-12-01), Kennedy et al.
patent: 5448001 (1995-09-01), Baird
patent: 5506316 (1996-04-01), Shaffer
patent: 5703182 (1997-12-01), Langstein et al.
patent: 6008307 (1999-12-01), Shaffer
patent: 6255531 (2001-07-01), Fritz et al.
patent: 6291695 (2001-09-01), Marks et al.
patent: 198 36 663 (2000-02-01), None
patent: WO 95/29940 (1995-11-01), None
patent: WO 99/06413 (1999-02-01), None
patent: WO 00/04061 (2000-01-01), None
Williams et al, “New Bifunctional Perfluoroary Boranes . . . ,” J. Am. Chem. Soc., 1999, 121, 3244-3245.
“Isobutene Polymerization Using Initiating Systems Based on C6F4-1,2-[B(C6F5)2]2 (1-F4)”, The University of Akron, Dept. of Polymer Science, Apr. 17, 2003, Goodyear Auditorium, Stewart P. Lewis, pp. 1-46.
“Carbocationic Initiation of Polymerization of Vinyl Ethers andN-Vinylcarbazole Induced by (η5-C5Me5)TiMe2(μ-Me)B(C6F5)3. The First Examples of Polymerization of This Class of Electron-Rich Olefins by a Metallocene-like Initiator”, Q. Wang and M. C. Baird, Macromolecules, vol. 28, No. 24, 1995, pp. 8021-8027.
“Carbocationic Alkene Polymerizations Initiated by Organotransition Metal Complexes: An Alternative, Unusual Roal for Soluble Ziegler-Natta Catalysts”, M. C. Baird, Chem. Rev. 2000, 100, pp. 1471-1478.
“Isobutene Polymerization Initiated by [CP※TiMe2]− in the Presence of a Series of Novel, Weakly Coordinating Counteranions”, K. R. Kumar, C.Hall, A. Penciu, M. J. Drewitt, P. J. McInenly, and M. C. Baird, Journal of Polymer Science: Part A: Polymer Chemistry, vol. 40, 2002, pp. 3302-3311.
“Higly Lewis Acidic Bifunctional Organoboranes”, W. E. Piers, G. J. Irvine, and V. C. Williams, Microreview, Eur. J. Inorg. Chem. 2000, EurJIC 047/00, pp. 1-12.
“The [Zr(N{SiMe3}2)3]+ Cation as a Novel Initiator for Carbocationic Isobutene Homo- and Isobutene/Isoprene Co-Polymerizations”, A. G. Carr, D. M. Dawson, and M. Bochmann, Macromol. Rapid Commun. 19, 1998, pp. 205-207.
The Aluminocenium Cation [A1(C5H5)2]+: A Highly Effective Initiator for the Cationic Polymerization of Isobutene, M. Bochmann and D. M. Dawson, Communications, Angew. Chem. Int. Ed. Engl. 1996, 35, No. 19, pp. 2226-2228.
“Isobutene Polymerization using a Chelating Diborane Co-Initiator”, S. P. Lewis, N. J. Taylor, W. E. Piers, and S. Collins, J. Am. Chem. Soc. 2003, 125, pp. 14686-14687.
“Noncoordinating Anions in Carbocationic Polymerizations”, T. D. Shaffer and J. R. Ashbaugh, Journal of Polymer Science: Part A: Polymer Chemistry, vol. 35, 1997, pp. 329-344.
“Zirconocenes as Initiators for Carbocationic Isobutene Homo- and Copolymerizations”, A. G. Carr, D. M. Dawson, and M. Bochmann, Macromolecules, vol. 31, No. 7, 1998, pp. 2035-2040.
“Cationic Polymerizations at Elevated Temperatures by Novel Initiating Systems Having Weakly Coordinating Counteranions. 1. High Molecular Weight Polyisobutylenes”, Z. Pi, S. Jacob, and J. P. Kennedy, Ionic Polymerizations and Related Processes edited by Judith E. Puskas, part of the NATO Science Series, Series E, Applied Sciences, vol. 359, 1999, pp. 1-12.
“Highest Molecular Weight Polyisobutylenes and Isobutylene Copolymers by Initiating Systems Having Weakly-Coordinating Counteranions”, J. P. Kennedy, Z. Pi, and S. Jacob, Polymeric Materials: Science and Engineering Proceedings of the A.C.S. Division of Polymeric Materials, vol. 80, 1999, p. 495.
“Carbocationic Polymerizations with Noncoordinating Boron Gegenions”, T. D.Shaffer and J. R. Ashbaugh, Book of Abstracts, 211th ACS National Meeting, New Orleans, LA, Mar. 24-28 (1996), Publisher: American Chemical Society, Washington D.C., pp. 339-340.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Polymerization of i-butene in hydrocarbon media using... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polymerization of i-butene in hydrocarbon media using..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polymerization of i-butene in hydrocarbon media using... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3756178

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.