Terrence D Huff

US Patent:

55041710, Apr 2, 1996

Filed:

Dec 22, 1994

Appl. No.:

8/363206

Inventors:

Bradley P. Etherton - Houston TX
James J. McAlpin - Houston TX
Terrence Huff - Baytown TX
Edward N. Kresge - Watchung NJ

Assignee:

Exxon Chemical Patent Inc. - Wilmington DE

International Classification:

C08F23620
C08F 202

US Classification:

526336

Abstract:

Disclosed are unsaturated. alpha. -olefin/. alpha. ,. omega. -diene copolymers, and a method of preparation thereof. The copolymers are generally crystalline, free of gel and cross-links, and contain unsaturated side chains and long chain branching. The copolymers contain up to 5 mole percent diene incorporated therein, and may be prepared by copolymerization using a solid-phase, insoluble coordination catalyst, without a solvent, and below the crystalline melting point of the copolymer.

US Patent:

55147615, May 7, 1996

Filed:

Feb 10, 1995

Appl. No.:

8/386395

Inventors:

Bradley P. Etherton - Houston TX
James J. McAlpin - Houston TX
Terrence Huff - Baytown TX
Edward N. Kresge - Watchung NJ

Assignee:

Exxon Chemical Patents Inc. - Wilmington DE

International Classification:

C08F23620
C08F29708

US Classification:

526144

Abstract:

Disclosed are unsaturated. alpha. -olefin/. alpha. ,. omega. -diene copolymers, and a method of preparation thereof. The copolymers are generally crystalline, free of gel and cross-links, and contain unsaturated side chains and long chain branching. The copolymers contain up to 5 mole percent diene incorporated therein, and may be prepared by copolymerization using a solid-phase, insoluble coordination catalyst, without a solvent, and below the crystalline melting point of the copolymer.