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Rajiv Banavali
Rajiv Manohar Banavali, Bharati Dinkar Chheda, Barry Weinstein: Preparation of nitrones. Rohm and Haas Company, Kenneth Crimaldi, June 18, 2013: US08466319

A method for producing a nitrone of formula (I) wherein R is a branched alkyl group having from four to thirty carbon atoms; R1, R2, R3 and R4 independently are hydrogen or alkyl groups having from one to six carbon atoms from an imine having formula (II)


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Jean-luc Dubois
Jean Luc Dubois: Method for manufacturing a biomass-derived methyl methacrylate. Arkema France, November 24, 2011: US20110287991-A1

Process for the manufacture of methyl methacrylate by reaction of methyl propionate with one from formaldehyde, a formaldehyde/methanol mixture and methylal, characterized in that at least a fraction of at least one reactant involved in this reaction was obtained by a reaction or a sequence of react ...


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Rajiv Banavali
Rajiv Manohar Banavali, Kim Sang Ho: Method for monitoring degradation of lubricating oils. Rohm and Haas Company, Kenneth Crimaldi, December 22, 2009: US07635596

A method for monitoring degradation of lubricating oils. The method comprises steps of: (a) adding to a lubricating oil at least one compound having formula (I) wherein R1 and R2 independently are hydrogen, hydroxy, OR11, amino or NR11R12; R3 and R5 independently are alkyl, aryl, aralkyl, heteroalky ...


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Rajiv Banavali
Ravindranath Mukkamala, Rajiv Manohar Banavali: Oil-soluble additive compositions for lubricating oils. Rohm And Haas Company, September 26, 2002: US20020137638-A1

An oil-soluble lubricant additive composition comprising: (a) at least one compound of formula I: 1  wherein R1, R2, R3 and R4 are independently hydrogen, alkyl, alkenyl, aryl or aralkyl; or R1 and R2, or R3 and R4, combine with the carbon atom to which they are attached to form an alkyl or alkenyl ...


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Brian Thomas
Norman Stark, Maria S Streckenbach, Seth Gilchrist, Thorsten Schwenke, Brian Thomas: Synthetic synovial fluid compositions and methods for making the same. Zimmer, Schwegman Lundberg & Woessner P A, May 6, 2014: US08716204

Artificial or synthetic synovial fluids and methods for making such fluids are disclosed. The fluid includes selected proteins, phospholipids and hyaluronic acid and mimics the properties of human synovial fluid.


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Norman A Meinhardt, Kirk E Davis: Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation. The Lubrizol Corporation, Daniel N Hall, William H Pittman, Raymond F Keller, November 18, 1980: US04234435 (634 worldwide citation)

Carboxylic acid acylating agents are derived from polyalkenes such as polybutenes, and a dibasic, carboxylic reactant such as maleic or fumaric acid or certain derivatives thereof. These acylating agents are characterized in that the polyalkenes from which they are derived have a Mn value of about 1 ...


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Hillel Magid, Raymond Thomas, Leonard Stiel, John W Pelava: Refrigeration lubricants. Allied Signal, Jay P Friedenson, Harold N Wells, July 5, 1988: US04755316 (165 worldwide citation)

Compression refrigeration equipment using tetrafluoroethane as a working fluid employs polyoxyalkylene glycols which are at least difunctional with respect to hydroxyl groups and a molecular weight between 300 and 2000. The mixtures of the glycols with the refrigerant will be miscible in the range f ...


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Jacob Emert, Albert Rossi, Salvatore Rea, Jeffrey W Frederick, Mahn W Kim: Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives. Exxon Chemical Patents, Harvey L Cohen, March 12, 1996: US05498809 (147 worldwide citation)

The invention pertains to oil soluble copolymers derived from ethylene and 1-butene which have a number average molecular weight between about 1,500 and 7,500, at least about 30 percent of all polymer chains terminated with ethylvinylidene groups, and ethylene-derived content of not greater than abo ...


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Raymond F Watts, Frederick C Loveless, Walter Nudenberg: Lubricating composition. Uniroyal Chemical Company, John A Shedden, September 11, 1990: US04956122 (137 worldwide citation)

A lubricating composition is provided containing: a high viscosity synthetic hydrocarbon such as high viscosity polyalphaolefins, liquid hydrogenated polyisoprenes or ethylene-alphaolefin copolymers having a viscosity of 40-1000 centistokes at 100.degree. C.; a low viscosity synthetic hydrocarbon an ...



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