1
Charles Cozewith, Sudhin Datta, Weiguo Hu: Propylene ethylene polymers. ExxonMobile Chemical Patents, S D Prodnuk, February 25, 2003: US06525157 (225 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 ...


2
Charles Cozewith, Shiaw Ju, Gary W VerStrate: Narrow MWD alpha-olefin copolymers. Exxon Research & Engineering Co, S H Markowitz, September 10, 1985: US04540753 (178 worldwide citation)

The present invention relates to novel copolymers of alpha-olefins comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains.


3
Sudhin Datta, Charles Cozewith, Periagaram Periagaram, Edmund J Stachowski: Elastic blends comprising crystalline polymer and crystallizable polym. ExxonMobil Chemical Patents, Stephen D Prodnuk, Mandi B Milbank, Paige Schmidt, November 4, 2003: US06642316 (128 worldwide citation)

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comp ...


4
Sudhin Datta, Avinash Chandrakant Gadkari, Charles Cozewith: Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers. October 21, 2003: US06635715 (105 worldwide citation)

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comp ...


5
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


6
Lawrence George Kaufman, Charles Cozewith, Avinash Chandrakant Gadkari, Narayanaswami Raja Dharmarajan, Maria Dolores Ellul: Thermoplastic olefin compositions. Exxon Chemical Patents, June 12, 2001: US06245856 (96 worldwide citation)

The invention relates to novel Thermoplastic Olefin compositions comprising polypropylene, and ethylene-alpha olefin elastomer and a compatabilizer comprising an ethylene-propylene copolymer having a propylene content of greater than 80 weight percent. The ethylene-propylene copolymer compatabilizer ...


7
Charles Cozewith, Gary William Ver Strate, Roger K West, Gaetano A Capone: Ethylene .alpha.-olefin block copolymers and methods for production thereof. Exxon Chemical Patents, Douglas W Miller, March 31, 1998: US05733980 (75 worldwide citation)

This invention relates to block polymers containing both crystalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin and is generally crystalline. The B block contains an ethylene, ...


8
Charles Cozewith, Gary William Ver Strate, Roger K West, Gaetano A Capone: Ethylene-alpha olefin block copolymers and methods for production thereof. Exxon Chemical Patents, Douglas W Miller, August 25, 1998: US05798420 (61 worldwide citation)

This invention relates to block polymers containing both crystalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin and optionally a non-conjugated diene, and is generally crystal ...


9
Charles Cozewith, George N Schmit: Process for the preparation of ethylene-higher alpha olefin polymers (P-891). Exxon Research & Engineering Co, H L Cohen, December 15, 1981: US04306041 (61 worldwide citation)

A method for obtaining improved diene conversion in the manufacture of EPDM type terpolymers is disclosed in which the polymerization reaction is conducted in a series of two or more stirred reactors with substantially all of the non-conjugated diene monomer being fed to the first reactor to thereby ...


10
Maria Dolores Ellul, Donald Ross Hazelton, Charles Cozewith, Aspy Keki Mehta: Thermoplastic elastomeric compositions. ExxonMobil Chemical Patents, John Schneider, July 31, 2001: US06268438 (54 worldwide citation)

A cross-linked or at least partially cross-linked thermoplastic elastomeric composition formed of from 10 to 90 percent of a first polymeric material comprised of ethylene, &agr;-olefin and optionally a non-conjugated diene, and 90 to 10 percent of a second olefin polymeric material, wherein at leas ...