1
Colin Li Pi Shan, Lonnie G Hazlitt, Yunwa W Cheung, Benjamin C Poon, Phillip D Hustad, Roger L Kuhlman, Edmund M Carnahan, Xiahua Qui, Angela N Taha: Ethylene/α-olefins block interpolymers. Dow Global Technologies, October 27, 2009: US07608668 (76 worldwide citation)

Embodiments of the invention provide a class of ethylene/α-olefin block interpolymers. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, ...


2
Daniel J Arriola, Edmund M Carnahan, Yunwa Wilson Cheung, David D Devore, David D Graf, Phillip D Hustad, Roger L Kuhlman, Colin Li Pi Shan, Benjamin C Poon, Gordon R Roof, James C Stevens, Pamela J Stirn, Timothy T Wenzel: Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation. Dow Global Technologies, December 28, 2010: US07858706 (64 worldwide citation)

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction pr ...


3
Colin Li Pi Shan, Lonnie G Hazlitt, Yunwa Wilson Cheung, Benjamin C Poon, Phillip D Hustad, Roger L Kuhlman, Edmund M Carnahan, Xiao Hua Qiu, Angela N Taha: Ethylene/alpha-olefins block interpolymers. Dow Global Technologies, Whyte Hirschboeck Dudek SC, February 22, 2011: US07893166 (30 worldwide citation)

Embodiments of the invention provide a class of ethylene/α-olefin block interpolymers. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, ...


4
Colin Li Pi Shan, Lonnie G Hazlitt, Yunwa Wilson Cheung, Benjamin C Poon, Phillip D Hustad, Roger L Kuhlman, Edmund M Carnahan, XiaoHua Qiu, Angela N Taha: Propylene/α-olefins block interpolymers. Dow Global Technologies, Whyte Hirschboeck Dudek SC, September 25, 2012: US08273838 (27 worldwide citation)

Embodiments of the invention provide a class of propylene/α-olefin block interpolymers. The propylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably ...


5
Daniel J Arriola, Edmund M Carnahan, Yunwa Wilson Cheung, David D Devore, David D Graf, Phillip D Hustad, Roger L Kuhlman, Colin Li Pi Shan, Benjamin C Poon, Gordon R Roof, James C Stevens, Pamela J Stirn, Timothy T Wenzel: Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation. Dow Global Technologies, Whyte Hirschboeck Dudek SC, June 12, 2012: US08198374 (27 worldwide citation)

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction pr ...


6
Colin Li Pi Shan, Roger L Kuhlman, Gary L Rath, Pamela J Kenny, Morgan M Hughes, Rongjuan Cong: Ethylene/α-olefin interpolymers containing low crystallinity hard blocks. Dow Global Technologies, July 2, 2013: US08476393 (5 worldwide citation)

The invention is related to an ethylene/α-olefin interpolymer having at least a hard segment and at least a soft segment. The soft segment contains a higher amount of comonomers than the hard segment. The hard segment has low crystallinity. The copolymer has a number of unique characteristics disclo ...


7
Colin Li Pi Shan, Roger L Kuhlman, Gary L Rath, Pamela J Kenny, Morgan M Hughes, Rongjuan Cong: Viscosity index improver for lubricant compositions. Dow Global Technologies, July 16, 2013: US08486878 (5 worldwide citation)

A lubricant composition comprises a base oil and a viscosity modifier including an ethylene/α-olefin interpolymer. The ethylene/α-olefin interpolymer has at least a hard segment and at least a soft segment. The soft segment contains a higher amount of comonomers than the hard segment. The hard segme ...


8
Gary R Marchand, Yunwa W Cheung, Benjamin C Poon, Jeffrey D Weinhold, Kim L Walton, Pankaj Gupta, Colin Li Pi Shan, Phillip D Hustad, Roger L Kuhlman, Edmund M Carnahan, Eddy I Garcia Meitin, Patricia L Roberts: Propylene/alpha-olefin block interpolymers. Dow Global Technologies, January 31, 2012: US08106139 (4 worldwide citation)

Embodiments of the invention provide a class of mesophase separated propylene/α-olefin block interpolymers with controlled block sequences. The propylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight dis ...


9
Colin Li Pi Shan, Roger L Kuhlman, Gary L Rath, Pamela J Kenny, Morgan M Hughes, Rongjuan Cong: Viscosity index improver for lubricant compositions. Dow Global Technologies, July 23, 2013: US08492322 (3 worldwide citation)

A lubricant composition comprises a base oil and a viscosity modifier including an ethylene/α-olefin interpolymer. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard bloc ...


10
Colin Li Pi Shan, Roger L Kuhlman, Gary L Rath, Pamela J Kenny, Morgan M Hughes, Rongjuan Cong: Catalytic olefin block copolymers with controlled block sequence distribution and at least one low crystallinity hard block. Dow Global Technologies, October 29, 2013: US08569422 (2 worldwide citation)

The invention is related to catalytic olefin block copolymers with a controlled block sequence distribution and at least one low crystallinity hard block. The block copolymer has a number of unique characteristics disclosed here.