Patents by Inventor Guenter Jakobi

Guenter Jakobi 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).

  • Patent number: 4169074
    Abstract: Cold-water active washing agent compositions comprising(a) from 0.3% to 2.5% by weight of an N-substituted-.omega.-hydroxyalkane carboxylic acid amide obtained by reacting substantially equimolar amounts of an N-(C.sub.8-20 -alkyl)-di-amino-C.sub.2-6 -alkane with a lactone having 4 to 7 ring atoms,(b) a tenside mixture of anionic tensides of the sulfonate and/or sulfate type and/or zwitterionic tensides, optionally together with soaps and/or nonionic tensides, in an amount sufficient to give a weight ratio of (a) to (b) of from 1:50 to 1:2, preferably 1:20 to 1:2, and(c) a powdery or liquid carrier selected from the group of powdery organic and inorganic builders, of water-soluble lower alkanols, alkanediols, alkoxyalkanols, and alkoxyalkoxyalkanols, and of water, said component (c) being present in an amount of from 50% to 99.1% by weight and, in the case of powdery carriers, also may include a powdery bleaching component.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: September 25, 1979
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Jens Conrad, Harald Schnegelberger, Hans Andree, Guenter Jakobi
  • 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