Patents by Inventor Saurabh S. Lawate

Saurabh S. Lawate 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: 7116467
    Abstract: A structured fluid composition comprising: (a) a low refractive index liquid; (b) particles including light absorbing charged particles such as pigments, non-light absorbing uncharged particles such as teflon, silica, alumina and combinations thereof; and (c) at least one additive selected from the group consisting of a dispersant, a charging agent, a surfactant, a flocculating agent, a polymer, and combination thereof; for use in a TIR electronic display. The inventive composition improves the long-term stability, response time and visible appearance of image displays which electrophoretically frustrate total internal reflection (TIR).
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: October 3, 2006
    Assignee: The Lubrizol Corporation
    Inventors: Ralph E. Kornbrekke, Saurabh S. Lawate, Robert N. Jones
  • Patent number: 7079304
    Abstract: A structured fluid composition comprising: (a) a low refractive index liquid; (b) particles including light absorbing charged particles such as pigments, non-light absorbing uncharged particles such as teflon, silica, alumina and combinations thereof; and (c) at least one additive selected from the group consisting of a dispersant, a charging agent, a surfactant, a flocculating agent, a polymer, and combination thereof; for use in a TIR electronic display. The inventive composition improves the long-term stability, response time and visible appearance of image displays which electrophoretically frustrate total internal reflection (TIR).
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: July 18, 2006
    Assignee: The Lubrizol Corporation
    Inventors: Ralph E. Kornbrekke, Saurabh S. Lawate, Robert N. Jones
  • Patent number: 6372842
    Abstract: The present invention relates to methods of using an aqueous composition or dispersion containing a water-soluble or water-dispersible synthetic polymer, and compositions formed thereof. The aqueous composition or dispersion is added to agricultural spray compositions, ink compositions, deicing or anti-icing compositions, latex paint and coating compositions, cleaner compositions, adhesives, fire-extinguishing chemical compositions, hydro-metallurgy/electro-winning compositions, compositions having organosilanes, personal care compositions, water-based hydraulic compositions, dust control compositions, and textile finish compositions, to impart properties including aerosol control, spatter control, shear stability, rheology control, transfer efficiency, oil/water reduction, sling control, emollient performance, film forming capability, surface activity, encapsulent ability, lubricity, thickening, and anti-wear capability, to the resultant composition formed thereof.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: April 16, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Bryan A. Grisso, Robert E. Quinn, Sanjay N. Kalhan, Edward J. Konzman, Saurabh S. Lawate, James H. Bush, Joseph W. Pialet, Paul Walsh, Carlos A. Piedrahita, Philip R. Miller, Alan C. Clark, David L. Facchiano, Al E. Haas, Clifford Kowall, Richard A. Denis
  • Patent number: 6172122
    Abstract: A stable emulsion composition is disclosed which comprises: (A) a metal overbased gelled composition, prepared by forming a mixture of (i) a carbonated overbased material in an oleophilic medium, which material contains a metal salt of at least one organic acid material containing at least 8 carbon atoms, and (ii) an alcohol or an alcohol-water mixture; (B) a surfactant; and (C) an aqueous liquid. The stable emulsion composition may further comprise at least one of a solute, a suspended solid or an oxidation inhibitor.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: January 9, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Saurabh S. Lawate, William R. Sweet
  • Patent number: 5773391
    Abstract: A polyol ester is described which is derived from:(A) an aliphatic or alicyclic polyol; and(B) an aliphatic monocarboxylic mixture derived from a natural vegetable oil, said acid mixture comprising at least about 72% by weight of oleic acid.The invention also relates to compositions comprising the polyol esters and at least one antioxidant, and lubricating oil compositions comprising an oil of lubricating viscosity and the polyol esters of the invention. Lubricating oil compositions comprising polyol esters of the invention, at least one antioxidant, and an oil of lubricating viscosity also are described and are particularly useful.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: June 30, 1998
    Assignee: The Lubrizol Corporation
    Inventors: Saurabh S. Lawate, Kasturi Lal
  • Patent number: 5681797
    Abstract: An oxidatively stable, biodegradable lubricant composition is disclosed which comprises(A) a hydrogenated polyisoprene prepared by polymerizing isoprene such that polyisoprene is obtained wherein there are from 4 to 1000 isoprene units and hydrogenating the polyisoprene to obtain a hydrogenated polysoprene containing a residual olefinic unsaturation of not more than 10 percent based upon the unsaturation content prior to hydrogenation; and(B) at least one performance additive selected from the group consisting of(1) an alkyl phenol;(2) an ether;(3) a mono- or di-substituted glyceride;(4) a phosphorus derivative;(5) a benzotriazole;(6) a phosphorus amine salt;(7) a trihydrocarbyl phosphorothionate;(8) an aromatic amine;(9) a zinc salt;(10) a pour point depressant ester;(11) a hydrogenated block copolymer; and(12) an acrylate polymer.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: October 28, 1997
    Assignee: The Lubrizol Corporation
    Inventor: Saurabh S. Lawate
  • Patent number: 5538654
    Abstract: A food grade lubricant composition is described which is useful as hydraulic oil, gear oil, and compressor oil for equipment in the food service industry. This composition comprises (A) major amount of a genetically modified vegetable oil and (B) a minor amount of a performance additive. In other embodiments the composition contains either (C) a phosphorus compound or (D) a non-genetically modified vegetable oil.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: July 23, 1996
    Assignee: The Lubrizol Corporation
    Inventors: Saurabh S. Lawate, Paul C. Naegely, Virginia A. Carrick
  • Patent number: 5458795
    Abstract: A thickened composition is disclosed which comprises(A) at least one triglyceride estolide of the formula ##STR1## wherein R.sup.1 is an aliphatic group or an aliphatic group containing an ester moiety R.sup.2 COO-- with the proviso that at least one R.sup.1 is an aliphatic group containing the ester moiety, and contains from about 5 to about 23 carbon atoms, and R.sup.2 is a hydrocarbyl group containing from 1 to 100 carbon atoms and(B) at least one oil comprising(1) a synthetic ester base oil(2) a mineral oil, or(3) a polyalphaolefin.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: October 17, 1995
    Assignee: The Lubrizol Corporation
    Inventor: Saurabh S. Lawate
  • Patent number: 5451332
    Abstract: A composition comprising;(A) at least one triglyceride estolide of the formula ##STR1## wherein R.sup.1 is an aliphatic group or an aliphatic group containing an ester moiety R.sup.2 COO-- with the proviso that at least one R.sup.1 is an aliphatic group containing the ester moiety, and contains from about 5 to about 23 carbon atoms, and R.sup.2 is a hydrocarbyl group containing from 1 to 100 carbon atoms and(B) at least one performance additive.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: September 19, 1995
    Assignee: The Lubrizol Corporation
    Inventor: Saurabh S. Lawate
  • Patent number: 5427704
    Abstract: A thickened composition is disclosed which comprises(A) at least one triglyceride estolide of the formula ##STR1## wherein R.sup.1 is an aliphatic group or an aliphatic group containing an ester moiety R.sup.2 COO-- with the proviso that at least one R.sup.1 is an aliphatic group containing the ester moiety, and contains from about 5 to about 23 carbon atoms, and R.sup.2 is a hydrocarbyl group containing from 1 to 100 carbon atoms and(B) at least one animal fat, vegetable oil or synthetic triglyceride oil of the formula ##STR2## wherein R.sup.3, R.sup.4 and R.sup.5 are aliphatic groups or hydroxy containing aliphatic groups that are at least 60 percent monounsaturated, and further wherein an oleic acid moiety:linoleic acid moiety ratio is from about 2 up to about 90, and contain from about 1 to about 23 carbon atoms.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: June 27, 1995
    Assignee: The Lubrizol Corporation
    Inventor: Saurabh S. Lawate