Patents by Inventor Rudolf Huettinger

Rudolf Huettinger 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).

  • Polyoxyalkylene ethers of glycerin or 1,2-propanediol, esterified with fatty acid and/or isostearic acid, their synthesis and use as thickening or solubilizing agents
    Patent number: 4614622
    Abstract: Compounds having the formula: ##STR1## in which R.sup.1 is the hydrocarbon radical of a fatty acid with 16 to 18 carbon atoms, isostearic acid or a mixture thereof,R.sup.2 is hydrogen or the ##STR2## radical, x, y and z are whole numbersand the sum of x+y+z has a value from 50 to 60.The invention furthermore relates to the synthesis of these compounds as well as to the use of these compounds as thickening agents, especially for aqueous, surfactant-containing solutions and as solubilizing agents, especially for cosmetic preparations.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: September 30, 1986
    Assignee: Th. Goldschmidt AG
    Inventors: Rudolf Huettinger, Ulrich Holtschmidt