Patents by Inventor Wilma Dausch

Wilma Dausch 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).

  • Fixative agents for hair
    Publication number: 20050031567
    Abstract: Hair-setting compositions comprising A) 0.5 to 20% by weight of a homopolymer of N-vinylcaprolactam or an anionic or nonionic copolymer of at least 70% by weight of N-vinylcaprolactam (polymer A), and B) 0.5 to 20% by weight of a terpolymer (polymer B) obtainable by copolymerization (a) of at least one C1-C4 N-alkylacrylamide or a C1-C4 N-alkylmethacrylamide and (b) at least one C1-C4 hydroxyalkyl ester or a C1-C4 alkyl ester of acrylic acid or methacrylic acid and (c) acrylic acid and/or methacrylic acid C) 0.5 to 20% by weight of a polymer chosen from the group consisting of copolymers of vinylpyrrolidone and a vinyl ester and of homopolymers of vinylpyrrolidone.
    Type: Application
    Filed: January 20, 2003
    Publication date: February 10, 2005
    Inventors: Wilma Dausch, Bernd de Potzolli, Maximilian Angel, Jacqueline Engesser
  • Hydrolytic preparation of titanium dioxide pigments
    Patent number: 6074472
    Abstract: Titanium dioxide pigments are obtainable by complete hydrolysis of a hydrolyzable titanium compound at from 0 to 100.degree. C. with intensive stirring and with setting of a pH in the range from 3 to 8 and maintenance of this pH within a range of 0.3 units.The titanium dioxide pigments can be employed for the production of cosmetic preparations and medicaments.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: June 13, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Harald Jachow, Ekkehard Schwab, Claudius Kormann, Wilma Dausch, Karin Sperling, Horst Westenfelder