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Won R Song, Albert Rossi, Howard W Turner, Howard C Welborn, Robert D Lundberg, Antonio Gutierrez, Robert A Kleist: Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920). Exxon Chemical Patents, J B Murray Jr, T V Kowalchyn, July 20, 1993: US05229022 (77 worldwide citation)

The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic ...


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Antonio Gutierrez, Robert D Lundberg, Won R Song: Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition. Exxon Chemical Patents, J F Hunt, T V Kowalchyn, January 4, 1994: US05275747 (41 worldwide citation)

The present invention is directed to an oil-soluble oleaginous composition additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of from above 20,000 to about 500,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (prefe ...


3
Abhimanyu O Patil: Multifunctional viscosity index improver-dispersant antioxidant. Exxon Chemical Patents, T V Kowalchyn, August 8, 1995: US05439607 (32 worldwide citation)

Oleaginous compositions, particularly lubricating oil compositions, exhibiting improved antioxidant properties containing a viscosity index improving amount of a viscosity index improver-dispersant comprised of the reaction products of: (a) an oil soluble ethylene copolymer comprising from about 15 ...


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Antonio Gutierrez, Robert D Lundberg, Won R Song: Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition (PT-796). Exxon Chemical Patents, T V Kowalchyn, November 22, 1994: US05366647 (26 worldwide citation)

The present invention is directed to an oil-soluble oleaginous composition additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of from above 20,000 to about 500,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (prefe ...


5
Mark J Struglinski, Gary W Ver Strate, Lewis J Fetters: Viscosity modifer polymers. Exxon Chemical Products, T V Kowalchyn, May 10, 1994: US05310490 (21 worldwide citation)

The present invention relates to hydrogenated block copolymers of butadiene and at least one other diene, preferably isoprene. The copolymer is hydrogenated and comprises at least 10% by weight of at least one crystallizable segment and at least one low crystallinity segment.


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Antonio Gutierrez, Robert D Lundberg, Won R Song: Alkyl-substituted hydroxyaromatic compounds useful as a multifunctional viscosity index improver. Exxon Chemical Patents, T V Kowalchyn, December 7, 1993: US05268115 (21 worldwide citation)

An oil-soluble alkyl substituted hydroxyaromatic compound, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of greater or above 25,000 to about 5000,000 number average molecular weight, said copolymer containing from 30 to 80 weight perc ...


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David Y Chung: Stabilized grafted ethylene copolymer additive useful in oil compositions. Exxon Chemical Patents, T V Kowalchyn, July 12, 1994: US05328624 (19 worldwide citation)

Oil-soluble, derivatized ethylene copolymers derived from about 15 to 90 wt. % ethylene, and one or more C.sub.3 to C.sub.28 alpha-olefins, e.g. propylene, which are grafted, preferably solution-grafted under an inert atmosphere and at elevated temperatures and in the presence of a high-temperature ...


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Mark J Struglinski, Gary W VerStrate, Lewis J Fetters: Viscosity modifier polybutadiene polymers. Exxon Chemical Patents, T V Kowalchyn, May 10, 1994: US05310814 (17 worldwide citation)

The present invention relates to hydrogenated polybutadiene comprising monomeric units of 1,4-butadiene and 1,2-butadiene addition products. The copolymer is hydrogenated and comprises at least 10% by weight of at least one crystallizable segment and at least one low crystallinity segment.


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Mark J Struglinski: Oleaginous compositions containing novel ethylene alpha-olefin polymer viscosity index improver additive. Exxon Chemical Patents, T V Kowalchyn, August 29, 1995: US05446221 (16 worldwide citation)

The present invention is directed to a lubricating oil composition exhibiting improved viscosity index comprising lubricating oil and a viscosity improving effective amount of ethylene alpha-olefin polymer comprising monomer units derived from ethylene and at least one alpha-olefin represented by th ...


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