Patents by Inventor Rajiv Manohar Banavali

Rajiv Manohar Banavali has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8466319
    Abstract: 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)
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: June 18, 2013
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Bharati Dinkar Chheda, Barry Weinstein
  • Patent number: 8461387
    Abstract: 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)
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: June 11, 2013
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Bharati Dinkar Chheda, Barry Weinstein
  • Patent number: 8329949
    Abstract: 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)
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: December 11, 2012
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Bharati Dinkar Chheda, Barry Weinstein
  • Patent number: 8252594
    Abstract: A composition containing a petroleum hydrocarbon, a biodiesel fuel or an ethanol fuel, and an organic marker compound.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: August 28, 2012
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Randall Wayne Stephens
  • Patent number: 8247500
    Abstract: A polymeric resin comprising guanidine groups having at least one C4-C22 tertiary alkyl substituent.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: August 21, 2012
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Alfred Karl Schultz
  • Publication number: 20110065943
    Abstract: A method for the selective esterification of free fatty acids, alone or in triglycerides, with C1-C8 aliphatic alcohols or diols. The method uses a selective heterogeneous esterification catalyst. The catalyst is contacted with a reaction mixture containing a triglyceride having at least 0.5% free fatty acids, or a reaction mixture containing only free fatty acids, and a C1-C8 aliphatic alcohol or diol under conditions suitable for esterification.
    Type: Application
    Filed: September 16, 2009
    Publication date: March 17, 2011
    Inventors: Rajiv Manohar Banavali, Alfred Karl Schultz
  • Publication number: 20110056121
    Abstract: A composition containing a petroleum hydrocarbon, a biodiesel fuel or an ethanol fuel, and an organic marker compound.
    Type: Application
    Filed: November 15, 2010
    Publication date: March 10, 2011
    Inventors: RAJIV MANOHAR BANAVALI, Randall Wayne Stephens
  • Patent number: 7858373
    Abstract: A method for marking a petroleum hydrocarbon, a biodiesel fuel or an ethanol fuel, by adding an organic marker compound.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: December 28, 2010
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Randall Wayne Stephens
  • Publication number: 20100121087
    Abstract: A method for esterification of free fatty acids with methanol. The method has steps of: (a) contacting a heterogeneous esterification catalyst in a reactor with a reaction mixture containing: (i) methanol and (ii) a triglyceride mixture containing 70-99.8 wt % triglycerides and 0.2-30 wt % free fatty acids, under conditions suitable for esterification, to produce a product stream; (b) separating water and methanol from the product stream to produce a dried product stream; (c) contacting the dried product stream with methanol to produce a methanol-rich phase and a triglyceride-rich phase; and (d) separating the methanol-rich phase and recycling it to the reactor.
    Type: Application
    Filed: May 21, 2009
    Publication date: May 13, 2010
    Inventors: Rajiv Manohar Banavali, Robert Tryon Hanlon, Alfred Karl Schultz
  • Patent number: 7635596
    Abstract: 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, heteroalkyl or heterocyclic; R4 and R6 independently are hydrogen or alkyl; R7, R8, R9 and R10 independently are cyano, nitro, amide, carboxyl, ester, alkyl or hydrogen; R11 is alkyl, aryl, aralkyl, heteroalkyl, heterocyclic or alkanoyl; R12 is hydrogen or alkyl; provided that said at least one compound of formula (I) has at least one substituent selected from among cyano, nitro, hydroxy, hydroxyalkyl, amide, carboxyl, ester and unsaturated alkyl; and (b) measuring a spectroscopic property of the oil to determine degradation of said at least one compound.
    Type: Grant
    Filed: November 8, 2005
    Date of Patent: December 22, 2009
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Kim Sang Ho
  • Publication number: 20090275769
    Abstract: A continuous process for esterification of fatty acids in glyceryl esters with C1-C8 aliphatic alcohols in a tubular reactor. The method uses an expanded resin catalyst bed in the tubular reactor.
    Type: Application
    Filed: April 30, 2009
    Publication date: November 5, 2009
    Inventors: Rajiv Manohar Banavali, Robert Tryon Hanlon, Aaron Sarafinas, Alfred Karl Schultz, Cheryl Irene Teich, Jose Antonio Trejo
  • Publication number: 20090221844
    Abstract: A polymeric resin comprising guanidine groups having at least one C4-C22 tertiary alkyl substituent.
    Type: Application
    Filed: February 3, 2009
    Publication date: September 3, 2009
    Inventors: Rajiv Manohar Banavali, Alfred Karl Schultz
  • Patent number: 7582784
    Abstract: A method for transesterification of triglycerides, especially those containing free fatty acids, with methanol. The method uses a catalyst derived from an acidic ion exchange resin. The catalyst is contacted with a reaction mixture containing a triglyceride and methanol under conditions suitable for transesterification.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: September 1, 2009
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Abraham Benderly
  • Patent number: 7563934
    Abstract: A method for producing MnB12H12, wherein M is a metal or ammonium cation and n is one or two, by combining a metal borohydride and XBH3; wherein X is a substituted amine; a substituted phosphine; or tetrahydrofuran.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: July 21, 2009
    Assignee: Rohn and Haas Company
    Inventors: Rajiv Manohar Banavali, Randall Wayne Stephens, John Hiroshi Yamamoto
  • Patent number: 7550614
    Abstract: A method for esterification of free fatty acids in triglycerides, with C1-C8 aliphatic alcohols. The method uses an acidic ion exchange resin as a catalyst. The catalyst is contacted with a reaction mixture containing a triglyceride having at least 1% free fatty acids and a C1-C8 aliphatic alcohol under conditions suitable for esterification.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: June 23, 2009
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Gregory C. Pierce
  • Publication number: 20090156844
    Abstract: A method for production of stabilized fatty acid methyl esters. The method removes unsaturation present in fatty acid methyl esters, or removes unsaturation in triglycerides, which are then transesterified to fatty acid methyl esters.
    Type: Application
    Filed: December 14, 2007
    Publication date: June 18, 2009
    Inventors: Rajiv Manohar Banavali, Shih-Ying Hsu, Alfred Karl Schultz
  • Publication number: 20090156847
    Abstract: A method for purification of crude triglycerides to be used as a raw material for production of biodiesel fuel. Crude triglycerides are contacted with a variety of adsorbents and ion exchange resins to reduce the levels of impurities.
    Type: Application
    Filed: December 14, 2007
    Publication date: June 18, 2009
    Inventors: Rajiv Manohar Banavali, Robert Tryon Hanlon, Alfred Karl Schultz, Jose Antonio Trejo
  • Publication number: 20090126263
    Abstract: 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)
    Type: Application
    Filed: November 12, 2008
    Publication date: May 21, 2009
    Inventors: Rajiv Manohar Banavali, Bharati Dinkar Chheda, Barry Weinstein
  • Patent number: 7534923
    Abstract: A method for purification of crude glycerol, especially crude glycerol derived from biodiesel production using alkaline catalysts. The method comprises combining the crude glycerol with acid, separating a glycerol layer, and treating the glycerol layer to decolorize it.
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: May 19, 2009
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Robert Tryon Hanlon, Alfred Karl Schultz
  • Publication number: 20090118526
    Abstract: A method for producing MnB12H12, wherein M is a metal or ammonium cation and n is one or two, by combining a metal borohydride and XBH3; wherein X is a substituted amine; a substituted phosphine; or tetrahydrofuran.
    Type: Application
    Filed: November 3, 2008
    Publication date: May 7, 2009
    Inventors: Rajiv Manohar Banavali, Randall Wayne Stephens, John Hiroshi Yamamoto