Patents by Inventor Carl Heinrich Krauch

Carl Heinrich Krauch 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).

  • Washing process with acid monomer grafted cellulose fabric in bath to absorb metal cations hardening water
    Patent number: 3955920
    Abstract: Process for washing textiles in which the washing treatment is carried out in the presence of a cation exchanger containing carboxyl groups in the form of alkali salts and capable of removing calcium and magnesium ions from the washing liquor, and a washing agent for use in said process.
    Type: Grant
    Filed: March 30, 1973
    Date of Patent: May 11, 1976
    Assignee: Henkel & Cie G.m.b.H.
    Inventors: Carl Heinrich Krauch, Axel Sanner, Guenter Jakobi, Edmund Schmadel