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Matthew W Holtcamp, Charles J Ruff, Donna J Crowther, John R Hagadorn, Patrick Brant: Vinyl terminated higher olefin polymers and methods to produce thereof. ExxonMobil Chemical Patents, Renuka N Ganesh, April 23, 2013: US08426659 (6 worldwide citation)

This invention relates to higher olefin vinyl terminated polymers having an Mn of at least 200 g/mol (measured by 1H NMR) including of one or more C4 to C40 higher olefin derived units, where the higher olefin vinyl terminated polymer comprises substantially no propylene derived units; and wherein t ...


2
Donna J Crowther, Matthew W Holtcamp, John R Hagadorn, Charles J Ruff, George Rodriguez, Patrick Brant: Vinyl terminated higher olefin copolymers and methods to produce thereof. ExxonMobil Chemical Patents, March 19, 2013: US08399724 (5 worldwide citation)

This invention relates to a vinyl terminated higher olefin copolymer having an Mn of 300 g/mol or more (measured by 1H NMR) comprising: (i) from about 20 to about 99.9 mol % of at least one C5 to C40 higher olefin monomer; and (ii) from about 0.1 to about 80 mol % of propylene; wherein the higher ol ...


3
Donna J Crowther, Matthew W Holtcamp, John R Hagadorn, Charles J Ruff, George Rodriguez, Patrick Brant: Vinyl terminated higher olefin copolymers and methods to produce thereof. ExxonMobil Chemical Patents, Catherine L Bell, September 23, 2014: US08841394 (1 worldwide citation)

This invention relates to a vinyl terminated higher olefin copolymer having an Mn of 300 g/mol or more (measured by 1H NMR) comprising: (i) from about 20 to about 99.9 mol % of at least one C5 to C40 higher olefin monomer; and (ii) from about 0.1 to about 80 mol % of propylene; wherein the higher ol ...


4
John R Hagadorn, Charles J Ruff, Renuka N Ganesh, Patrick Brant: Diblock copolymers prepared by cross metathesis. ExxonMobil Chemical Patents, Catheine L Bell, Kevin M Faulkner, January 27, 2015: US08940839 (1 worldwide citation)

This invention relates to a composition comprising a multiblock polyolefin represented by the formula: PO—C(R11)(R12)—C(R13)═C(R14)—C(R15)(R16)—PO*, or isomers thereof, wherein R11, R12, R13, R14, R15, and R16, are each independently a substituted or unsubstituted C1 through C4 hydrocarbyl group or ...


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Peijun Jiang, Kevin R Squire, Charles J Ruff, Cesar A Garcia Franco: In-reactor polymer blends. ExxonMobil Chemical Patents, Darryl M Tyus, Catherine L Bell, October 16, 2012: US08288480 (1 worldwide citation)

This invention relates to in-reactor polymer blends comprising at least 60 mole % of propylene and from 0.01 to 10 mole % of at least one diene selected from the group of C6 to C12 α,ω-diene, norbornadiene, vinyl norbornene and mixtures thereof with the balance being ethylene. The blend comprises fi ...


7
Craig J Emett, Mark P Hagemeister, Bruce A Harrington, Chon Y Lin, Phillip T Matsunaga, Charles J Ruff, Kevin B Stavens: Process to produce improved poly alpha olefin compositions. ExxonMobil Chemical Patents, Luke A Parsons, Leandro Arechederra III, June 14, 2016: US09365788

This invention is directed to a two-step process for the preparation of improved poly alpha olefins wherein the first step involves oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst and the second step involves oligomerization of at least a portion of ...


8
Craig J Emett, Mark P Hagemeister, Bruce A Harrington, Phillip T Matsunaga, Pramod J Nandapurkar, Charles J Ruff, Kevin B Stavens: Poly alpha olefin compositions. ExxonMobil Chemical Patents, Nancy T Krawczyk, Luke A Parsons, July 26, 2016: US09399746

Poly alpha olefins (PAOs) are characterized by very low viscosity and excellent Noack volatility. A preferred process for synthesizing said PAOs involves first oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst at high temperatures without adding hydrog ...


9
Matthew W Holtcamp, Charles J Ruff, Donna J Crowther, John R Hagadorn, Patrick Brant: Vinyl terminated higher olefin polymers and methods to produce thereof. ExxonMobil Chemical Patents, Catherine L Bell, September 23, 2014: US08841397

This invention relates to higher olefin vinyl terminated polymers having an Mn of at least 200 g/mol (measured by 1H NMR) including of one or more C4 to C40 higher olefin derived units, where the higher olefin vinyl terminated polymer comprises substantially no propylene derived units; and wherein t ...


10
Craig J Emett, Mark P Hagemeister, Wenning W Han, Bruce A Harrington, Phillip T Matsunaga, Charles J Ruff, Kevin B Stavens, Margaret M Wu: Poly alpha olefin compositions. ExxonMobil Chemical Patents, Nancy T Waldrip, Siwen Chen, October 24, 2017: US09796645

This invention is directed to a poly alpha olefin (PAO) composition formed in a first oligomerization, wherein at least portions of the PAO have properties that make them highly desirable for a subsequent oligomerization. A preferred process for producing this PAO uses a single site catalyst at high ...