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 C Cozewith, Sudhin Datta, Weiguo Hu: Blends made from propylene ethylene polymers. ExxonMobil Chemical Patents, Mandi Milbank, Leandro Arechederra, July 26, 2005: US06921794 (51 worldwide citation)

Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolymer chains. Further, ...


3
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 ...


4
Charles Cozewith, Sudhin Datta, Weiguo Hu: Articles made from blends made from propylene ethylene polymers. ExxonMobil Chemical Patents, Leandro Arechederra, April 11, 2006: US07026404 (7 worldwide citation)

Articles made from polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolym ...


5
Charles C Cozewith, Sudhin Datta, Weiguo Hu: Blends made from propylene ethylene polymers. ExxonMobil Chemical Patents, Leandro Arechederra, April 11, 2006: US07026405 (5 worldwide citation)

Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolymer chains. Further, ...


6
Charles C Cozewith, Sudhin Datta, Weiguo Hu: Blends made from propylene ethylene polymers. ExxonMobil Chemical Patents, Leandro Arechederra, April 25, 2006: US07034078 (3 worldwide citation)

Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolymer chains. Further, ...


7
Periagaram Srinivasan Ravishankar, Weiguo Hu: Crystallizable propylene copolymers. ExxonMobil Chemical Patents, January 11, 2011: US07868104 (2 worldwide citation)

A propylene copolymer is described comprising at least 70 mol % of units derived from propylene, up to 30 mol % of units derived from a combination of ethylene, at least one alpha-olefin having from 4 to 10 carbon atoms, such that the molar ratio of ethylene-derived units to said alpha-olefin-derive ...


8
Sudhin Datta, Bruce A Harrington, Weiguo Hu, Periagaram S Ravishankar, George Rodriguez: Propylene ethylene polymers and production process. ExxonMobil Chemical Patents, September 27, 2011: US08026323 (1 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 ...


9
Sudhin Datta, Weiguo Hu, Kristina Mary Kwalik, Trazollah Ouhadi: Transparent polyolefin compositions. ExxonMobil Chemical Patents, February 2, 2010: US07655730 (1 worldwide citation)

Disclosed herein are various compositions, including a transparent compositions comprising propylene-based polymers and a hydrocarbon resin.


10
Yun Feng Chang, Stephen N Vaughn, Kenneth R Clem, Luc R Martens, Weiguo Hu: Molecular sieve catalyst composition, its making and use in conversion processes. ExxonMobil Chemical Patents, July 7, 2009: US07557256 (1 worldwide citation)

This invention provides methods of making molecular sieve catalyst particles, molecular sieve slurries that can be used in such methods, molecular sieve catalyst compositions and their use in catalytic hydrocarbon conversion processes. In one of its aspects, the invention provides a method of making ...