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Ramin Abhari, Charles Lewis Sims, Peijun Jiang, David Raymond Johnsrud, Jo Ann Marie Canich: Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom. ExxonMobil Chemical Patents, May 29, 2007: US07223822 (39 worldwide citation)

Disclosed is a process for producing branched polymers including at least 50 mol % C3–C40 olefins. The process may include: (1) feeding a first catalyst, an activator, and one or more C2–C40 olefins into a first reaction zone at a temperature of greater than 70° C. and a residence time of 120 minute ...


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Abhari Ramin, Sims Charles L, Jiang Peijun, Johnsrud David R, Canich Jo Ann M: Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom. Exxonmobil Chemical Patents, Abhari Ramin, Sims Charles L, Jiang Peijun, Johnsrud David R, Canich Jo Ann M, sARECHEDERRA Leandro, December 1, 2005: WO/2005/113622 (9 worldwide citation)

This invention relates to a continuous process to produce a branched olefin polymer comprising: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 20% or less under selected polymerization conditions; 2) selecting a second ca ...


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Abhari Ramin, Sims Charles L, Jiang Peijun, Johnsrud David R, Canich Jo Ann M: Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom. Exxonmobil Chem Patents, February 21, 2007: EP1753796-A1

This invention relates to a continuous process to produce a branched olefin polymer comprising: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 20% or less under selected polymerization conditions; 2) selecting a second ca ...


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Ramin Abhari, Charles Lewis Sims, Peijun Jiang, David Raymond Johnsrud, Jo Ann Marie Canich: Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom. Exxonmobil Chemical Company, November 4, 2004: US20040220359-A1

This invention relates to a continuous process to produce a branched olefin polymer comprising: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 20% or less under selected polymerization conditions; 2) selecting a second ca ...


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Abhari Ramin, Sims Charles Lewis, Jiang Peijun, Johnsrud David Raymond, Canich Jo Ann Marie: Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom. Exxonmobil Chem Patents, ningjia cheng, August 15, 2007: CN200580019491

This invention relates to a continuous process to produce a branched olefin polymer comprising: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 20% or less under selected polymerization conditions; 2) selecting a second ca ...


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Abhari Ramin, Sims Charles L, Jiang Peijun, Johnsrud David R, Canich Jo Ann M: Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom. Exxonmobil Chemical Patents, February 5, 2007: KR1020067023824

This invention relates to a continuous process to produce a branched olefin polymer comprising: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 20% or less under selected polymerization conditions; 2) selecting a second ca ...