Patents by Inventor Claudia Schreer

Claudia Schreer 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).

  • Process for production of aldobionic acid amide
    Patent number: 5644042
    Abstract: A process for the preparation of aldobionamides directly from an aldobionic acid starting material, in which an aldobionic acid is reacted by removing water by azeotropic distillation to obtain an aldobionolactone. The aldobionolactone can then be reacted with amines without further purification or isolation steps to obtain the aldobionamide.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: July 1, 1997
    Assignee: Solvay Pharma Deutschland GmbH
    Inventors: Klaus Guenther Gerling, Claudia Schreer, Petra Schwarz, Kornelia Wendler
  • Lactobionic acid amide compositions and their use
    Patent number: 5525333
    Abstract: Lactobionic acid amide compositions synthesized from lactobionic acid and a mixture of primary fatty amines, which contains at least 30 percent by weight of fatty amines having a chain length of 14 to 18 carbon atoms, and their use as softening, detergent, emulsifying, foam stabilizing and/or thickening components of detergents, rinsing or cleaning agents, softeners or cosmetic formulations.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: June 11, 1996
    Assignee: Solvay Deutschland GmbH
    Inventors: Klaus-Guenter Gerling, Sabine Joisten, Kornelia Wendler, Claudia Schreer
  • Lactobionic acid amide compositions and their use
    Patent number: 5401426
    Abstract: Lactobionic acid amide compositions synthesized from lactobionic acid and a mixture of primary fatty amines, which contains at least 30 percent by weight of fatty amines having a chain length of 14 to 18 carbon atoms, and their use as softening, detergent, emulsifying, foam stabilizing and/or thickening components of detergents, rinsing or cleaning agents, softeners or cosmetic formulations.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: March 28, 1995
    Assignee: Solvay Deutschland GmbH
    Inventors: Klaus-Guenter Gerling, Sabine Joisten, Kornelia Wendler, Claudia Schreer