The Compound Contains -c(=o)oh Or Salt Thereof Patents (Class 516/919)
  • Dispersant compositions
    Patent number: 6689818
    Abstract: A dispersant composition comprising (A) 20-80% by weight of an acetylene glycol or ethoxylated acetylene glycol and (B) 20-80% by weight of a graft product of an allyl alcohol-maleic anhydride-styrene copolymer with a polyoxyalkylene monoalkyl ether, comprising (a) polyoxyalkylene monoalkyl ether units, (b) maleic anhydride units, and (c) styrene units, in a compositional ratio a:b:c of 25-40:25-40:25-40 in mole percent, and having a {overscore (Mw)} of 1,000-50,000 exerts improved dispersing, anti-foaming and viscosity-reducing effects, when used in small amounts in dispersing of inorganic particulates.
    Type: Grant
    Filed: August 29, 2002
    Date of Patent: February 10, 2004
    Assignee: Nissin Chemical Industry Co., Ltd.
    Inventors: Norio Nakamura, Shuichiro Shinohara
  • Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups on a di-,oligo- or polyene base
    Patent number: 6593376
    Abstract: A process for preparing amphiphilic compounds having at least two hydrophilic and at least two hydrophobic groups by reacting an olefinic substrate having at least two double bonds with an organic hydroperoxide to form an oxirane ring, opening, the oxirane ring with an alcohol in the presence of a catalyst system comprising a molybdenum compound as a first catalyst component and a second catalyst component selected from the group consisting of boron trifluoride, alumina, 1,8-diazzabicyclo-(5.4.0)-undec-7-ene, 1,4-diazabicyclo-(2,2,2)-octane.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: July 15, 2003
    Assignee: SASOL Germany GmbH
    Inventors: Mark Rüsch gen. Klaas, Klaus Kwetkat, Siegfried Warwel
  • 12-hydroxy stearic acid esters, compositions based upon same and methods of using and making such compositions
    Patent number: 5993861
    Abstract: The present invention relates to a synthetic, branched chain, oil soluble, fatty acid esters which, when preferably partially neutralized in situ, is revealed as a new water-in-oil emulsifier. Formulations are presented which demonstrate a method for using the disclosed emulsifier to prepare stable water-in-oil emulsions of varying polarity and viscosity for use in a variety of dermatological applications, and/or wherever emulsions according to the present invention may be used.
    Type: Grant
    Filed: January 19, 1999
    Date of Patent: November 30, 1999
    Assignee: Bernel Chemical Co., Inc.
    Inventor: Arnold W. Fogel
  • Storage-stable, concentrated surfactant composition based on alkylglucosides
    Patent number: 5941812
    Abstract: The invention relates to a storage-stable, concentrated, aqueous surfactant composition comprisinga) 40 to 75% by weight of one or more alkylglucosides of the formulaR.sup.1 O--?G!.sub.p (I)whereinR.sup.1 is an alkyl radical having 6 to 22 C atoms, in particular 12 to 18 C atoms, andG is the glucoside radical andP is a number from 1 to 3,b) 1 to 15% by weight of a fatty acid,c) 0 to 5% by weight of an electrolyte of alkali metal or alkaline earth metal halides andd) 5 to 59% by weight of water.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: August 24, 1999
    Assignee: Th. Goldschmidt AG
    Inventors: Burghard Gruning, Christian Weitemeyer