1
Zhicheng Hu, Chung Zong Wan, Yiu Kwan Lui, Joseph C Dettling: Layered catalyst composite. Engelhard Corporation, R A Negin, January 28, 1997: US05597771 (131 worldwide citation)

The present invention relates to a layered catalyst composite of the type generally referred to as a three-way conversion catalyst having the capability of substantially simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides. The structure of ...


2
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 ...


3
David Y Chung, Mark J Struglinski, John E Johnston: Grafted viscosity index improver. Exxon Chemical Patents, M B Kapustij, R A Negin, December 1, 1992: US05167848 (20 worldwide citation)

Oil soluble grafted ethylene-alpha-olefin copolymer useful as a viscosity modifier for oleaginous compositions comprising:


4
Jacob Emert, Alan M Schilowitz, Antonio Gutierrez, Won R Song: Ethylene alpha-olefin polymer substituted amine dispersant additives. Exxon Chemical Patents, R A Negin, July 6, 1993: US05225092 (13 worldwide citation)

The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight terminally substituted with amine compounds, which are also useful additives to oleaginous compos ...


5
Won R Song, Robert D Lunberg, Antonio Gutierrez, Robert A Kleist: Ethylene alpha-olefin copolymer substituted Mannich base lubricant dispsersant additives. Exxon Chemical Patents, J B Murray Jr, R A Negin, April 6, 1993: US05200103 (11 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 ...


6
Shiang Sung, John K Hochmuth: Metallic monolith and plates for the assembly thereof. Engelhard Corporation, R A Negin, October 28, 1997: US05681538 (9 worldwide citation)

A monolith suitable for use as a heat exchanger or as a carrier for a catalyst member is assembled from a plurality of plates (10, 10', 410) that are mounted one atop the next. The plates are generally rectangular and define a central baffle portion (12, 412) having a pair of substantially straight, ...


7
Abhimanyu O Patil, Robert D Lundberg: Heterocyclic nitrogen compound Mannich base derivatives of polyolefin-substituted amines for oleaginous compositions. Exxon Chemical Patents, J B Murray Jr, R A Negin, August 3, 1993: US05232615 (6 worldwide citation)

The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one --N(H)-- group in the ring, an aldehyde N-containing polymer adduct (e.g., an ashless nitrogen-containing dispersant or polyolefin-substituted amine) to form an oil soluble M ...


8
Antonio Gutierrez, Won R Song, Robert D Lundberg, Robert A Kleist: Ethylene alpha-olefin polymer substituted thiocarboxylic acid lubricant dispersant additives. Exxon Chemical Patents, J B Murray Jr, R A Negin, July 6, 1993: US05225091 (4 worldwide citation)

The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 10,000 number average molecular weight substituted with thiocarboxylic acid producing moieties (preferably acid or anhydride moieties), ...


9
Michel Deeba, Jennifer S Feeley, Robert J Farrauto: Method of abating NO.sub.x and a catalytic material therefor. Engelhard Corporation, R A Negin, T J Shatynski, June 27, 2000: US06080377 (3 worldwide citation)

A method for reducing gaseous nitrogen oxides present in a gas stream by reaction with a reductant species is practiced by flowing the gas stream under lean NO.sub.X -reducing conditions in contact with a catalytic material containing a catalytically effective amount of a catalytic species, e.g., a ...


10
Jacob Emert, Antonio Gutierrez, Robert D Lundberg: Polyepoxide modified adducts or reactants and oleaginous compositions containing same. Exxon Chemical Patents, R A Negin, June 8, 1993: US05217634 (1 worldwide citation)

A material useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of: