Patents by Inventor Celia Sander

Celia Sander 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).

  • Hair-colorant preparations and methods of using the same
    Patent number: 6740130
    Abstract: Hair-colorant compositions containing (a) from 0.2 to 25% by weight of an alkoxylated carboxylic acid ester; (b) from 0.5 to 25% by weight of a fatty acid partial glyceride; and (c) from 0.1 to 15% by weight of a hair dye; wherein all percentages by weight are based on the total composition, are disclosed. Methods of reducing cloudiness in hair-colorant compositions by combining a hair dye and a mixture of an alkoxylated carboxylic acid ester and a fatty acid partial glyceride are also disclosed.
    Type: Grant
    Filed: September 5, 2002
    Date of Patent: May 25, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Celia Sander, Anke Eggers, Josef Koester, Werner Seipel, Hermann Hensen
  • Hair-colorant preparations and methods of using the same
    Publication number: 20030061668
    Abstract: Hair-colorant compositions containing (a) from 0.2 to 25% by weight of an alkoxylated carboxylic acid ester; (b) from 0.5 to 25% by weight of a fatty acid partial glyceride; and (c) from 0.1 to 15% by weight of a hair dye; wherein all percentages by weight are based on the total composition, are disclosed. Methods of reducing cloudiness in hair-colorant compositions by combining a hair dye and a mixture of an alkoxylated carboxylic acid ester and a fatty acid partial glyceride are also disclosed.
    Type: Application
    Filed: September 5, 2002
    Publication date: April 3, 2003
    Inventors: Celia Sander, Anke Eggers, Josef Koester, Werner Seipel, Hermann Hensen