1
Anthony G Karandinos, Keith A Nelson, Jean M Tancrede, Bruce A Harrington, David J Lohse, Olivier J F Georjon, Kenneth Lewtas, Sudhin Datta, Charles Cozewith: Polypropylene-based adhesive compositions. ExxonMobil Chemical Patents, Leandro Arechederra, June 8, 2004: US06747114 (100 worldwide citation)

An adhesive blend is described that can include a semi-crystalline copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and at least one C


2
Sudhin Datta, Charles C Cozewith, Bruce A Harrington: Product and method for making polyolefin polymer dispersions. Exxon Chemical Patents, A R Chi, March 27, 2001: US06207756 (85 worldwide citation)

This invention relates to polyolefin polymer dispersions having a semicrystalline plastic (SP) component and an amorphous elastomer (AE) component. The polymer dispersions of this invention are characterized by a continuous phase containing a discontinuous phase (dispersed phase) as seen by FIG.


3
Charles C Cozewith, Sudhin Datta, Bruce A Harrington, Bernard J Folie, John F Walzer Jr, Donna J Crowther: Method for making polymer blends by using series reactors. Exxon Mobil Chemical Patents, Anthony Chi, Stephen D Prodnuk, November 20, 2001: US06319998 (65 worldwide citation)

This invention relates to a method of making polymer blends using series reactors and a metallocene catalyst. Monomers used by the invention are ethylene, a higher alpha-olefin (propylene most preferred), and optionally, a non-conjugated diene (ethylidene norbornene, i.e., ENB, most preferred). More ...


4
Bruce A Harrington, Gregory G Hlatkey, Jo Ann M Canich, Natalie A Merrill: Method for preparing alpha-olefin/cycloolefin copolymers. Exxon Chemical Patents, C L Bell, W G Muller, June 3, 1997: US05635573 (30 worldwide citation)

Cycloolefin/alpha-olefin copolymers in a molar ratio from 5/95 to 95/5, optionally including long linear alpha-olefin, branched alpha-olefins and/or polyenes as additional comonomers, are prepared using a cyclopentadienyl metallocene catalyst system based on a transition metal compound from Group 4 ...


5
Sudhin Datta, Bruce A Harrington, Weiguo Hu, Periagaram S Ravishankar, George Rodriguez: Propylene ethylene polymers and production process. ExxonMobil Chemical Patents, June 19, 2007: US07232871 (27 worldwide citation)

Ethylene propylene copolymers, substantially free of diene, are described. The copolymers will have a uniform distribution of both tacticity and comonomer between copolymer chains. Further, the copolymers will exhibit a statistically insignificant intramolecular difference of tacticity. The copolyme ...


6
Bruce A Harrington, Charles C Cozewith, Sudhin Datta, Bernard J Folie, John F Walzer Jr, Donna J Crowther: Method for increasing diene conversion in EPDM type polymerizations. ExxonMobil Chemical Patents, Anthony Chi, Stephen D Prodnuk, December 11, 2001: US06329477 (16 worldwide citation)

This invention relates to a method of making polymer compositions, e.g. EPDM compositions, in a multistage reactor with monomers chosen from ethylene, C


7
Kenneth Lewtas, Sudhin Datta, Charles Cozewith, Bruce A Harrington, David J Lohse, Olivier J F Georjon, Anthony G Karandinos, Keith A Nelson, Jean M Tancrede: Polypropylene-based adhesive compositions. ExxonMobil Chemical Patents, April 21, 2009: US07521507 (15 worldwide citation)

An adhesive blend is described that can include a semi-crystalline copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and at least one C4 to C20 α-olefin, the copolymer having a weight average molecular weight (Mw) from about 15,000 to about 200,000; an ...


8
Sabet Abdou Sabet, Bruce A Harrington, Patrick Brant, Anthony J Dias, Sudhin Datta: Thermosplastic vulcanizates from blends of a polypropylene and elastic .alpha.-olefin/cyclic olefin copolymers. Advanced Elastomer Systems, Exxon Chemical Patents, William A Skinner, Samuel B Laferty, September 19, 2000: US06121383 (10 worldwide citation)

Thermoplastic vulcanizate blends are prepared from a semi-crystalline polymer and a rubbery copolymer derived from copolymerizing at least one alpha-olefin monomer and at least one cyclic olefin copolymer. The rubbery copolymer also includes repeat units from at least one polyene monomer. The polyen ...


9
Bruce A Harrington: Copolymerization process for the preparation of crystalline copolymers of olefins and cyclic olefins. Exxon Chemical Patents, W G Muller, April 15, 1997: US05621054 (10 worldwide citation)

A copolymerization process suitable for the preparation of high crystalline melting point cyclic olefin copolymers comprising contacting ethylene, and at least one cyclic olefin with an active polymerization catalyst comprising a Group 4 transition metal compound containing an asymmetrically substit ...


10
Kenneth Lewtas, Sudhin Datta, Charles Cozewith, Bruce A Harrington, David J Lohse, Olivier J F Georjon, Anthony G Karandinos, Keith A Nelson, Jean M Tancrede: Polypropylene-based adhesive compositions. Exxonmobil Chemical Patents, February 26, 2013: US08383731 (6 worldwide citation)

An adhesive blend is described that can include a semi-crystalline copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and at least one C4 to C20 α-olefin, the copolymer having a weight average molecular weight (Mw) from about 15,000 to about 200,000; an ...