Patents by Inventor Klaus-Peter Wittern

Klaus-Peter Wittern 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).

  • O/W Emulsifiers for cosmetic purposes
    Patent number: 4600539
    Abstract: The invention relates to novel O/W emulsifiers obtainable by reacting one mole of esters of wool wax acids and glycerol, in particular partial esters, with 0.5 to 30 moles of ethylene oxide, a process for the preparation of these novel products and cosmetic agents containing these in an amount of 1 to 15% by weight, based on the total formulation.
    Type: Grant
    Filed: October 15, 1984
    Date of Patent: July 15, 1986
    Assignees: Beiersdorf AG, Hoechst AG
    Inventors: Udo Hoppe, Jochen M. Quack, Alwin Reng, Herbert Stuhler, Klaus-Peter Wittern
  • Cake of soap with deodorizing action
    Patent number: 4547307
    Abstract: Cake of soap with deodorizing action which in addition to the usual additives contains as essential components, referred to 100 parts by weight of base soap,(a) 0.1 to 1 part by weight, preferably 0.2 to 0.5 part by weight, 3,4,4'-trichlorocarbanilide (TCC),(b) 1 to 4 parts by weight of an alkyl phenol polyglycol ether of the general formula ##STR1## wherein R is an alkyl radical with 6 to 12 carbon atoms and n stands for one of the numbers 10 to 16, and(c) 0.05 to 1 part by weight wool wax alcohol.
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: October 15, 1985
    Inventors: Udo Hoppe, Klaus-Peter Wittern, Gerhard Sauermann, Otto Stelling, Manfred Rockl