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Antonio Gutierrez, Won R Song, Robert D Lundberg, Robert A Kleist: Novel ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives. Exxon Chemical Patents, J B Murray Jr, May 21, 1991: US05017299 (98 worldwide citation)

The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copol ...


2
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, Won R Song, Robert D Lundberg, Robert A Kleist: Ethylene alpha-olefin copolymer substituted mannich base lubricant dispersant additives. Exxon Chemical Patents, J B Murray Jr, R A Negin, February 16, 1993: US05186851 (55 worldwide citation)

The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copol ...


5
Antonio Gutierrez, Robert D Lundberg: Amide dispersant additives derived from amino-amines. Exxon Chemical Patents, J B Murray Jr, September 11, 1990: US04956107 (54 worldwide citation)

The present invention is directed to a dispersant additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.5 (e.g., from about 1 to 4) monocarboxylic acid producing moieties (preferably acid or ester moieties) per polyol ...


6
Henry S Makowski, Robert R Klein, Robert D Lundberg: Metal neutralized sulfonated EPDM terpolymers and compositions thereof. Exxon Research & Engineering Co, Richard E Nanfeldt, May 8, 1979: US04153588 (47 worldwide citation)

This invention relates to plasticized metal neutralized sulfonated EPDM terpolymers having at least 65 wt. % of ethylene in the backbone of the EPDM terpolymer and extended compositions of these metal neutralized sulfonated EPDM terpolymers having 100 parts of a neutralized sulfonated EPDM terpolyme ...


7
Abhimanyu O Patil, Robert D Lundberg, Antonio Gutierrez: Polyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositions. Exxon Chemical Patents, Harvey L Cohen, May 27, 1997: US05633326 (47 worldwide citation)

Novel polymers comprising polyolefin-substituted amines grafted with aromatic N-containing monomers such as aniline, have been found to provide oil soluble polymers having dispersant and antioxidant properties in oleaginous compositions, including fuel and lubricating oils. The polymers of this inve ...


8
Frank J Chen, Jacob Emert, Robert D Lundberg, Gregory C Giffin: Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647). Exxon Chemical Patents, J B Murray Jr, M B Kapustij, July 18, 1989: US04849572 (46 worldwide citation)

There is provided a process for preparing polybutenes having enhanced reactivity using a BF.sub.3 catalyst and an immediate quench procedure and controlled polymerization times of 12 to 40 minutes in combination with isobutylene conversions of at least 70%.


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S Richard Turner, Robert D Lundberg, Thad O Walker: Drilling fluids based on sulfonated elastomeric polymers. Exxon Research and Engineering Co, Richard E Nanfeldt, January 10, 1984: US04425462 (44 worldwide citation)

The present invention relates to sulfonated elastomeric polymers which are copolymers of isoprene and sodium styrene sulfonate or teropolymers of isoprene, styrene and sodium styrene sulfonate wherein these sulfonated polymers function as viscosification agents when added to oil-based drilling muds ...


10
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 ...