Patents by Inventor Karlheinz Laping

Karlheinz Laping 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).

  • Lubricants for conveyor belt installation in the food industry
    Patent number: 5935914
    Abstract: A lubricant concentrate is disclosed, of which the aqueous use solution is suited for lubricating, cleaning and disinfecting of feed and conveyance installations in the food industry, particularly immersion or automatic belt lubricating equipment, the concentrate including(i) one or more amines;(ii) one or more ether carboxylic acid compounds;(iii) one or more polyethyleneglycol (PEG's); and(iv) up to 99 wt. % (wt/wt) of the usual aids and additives.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: August 10, 1999
    Assignee: Diversey Lever, Inc.
    Inventors: Holger Theyssen, Karlheinz Laping, Stefan Wiemer
  • Method for producing crystalline acrylamido alkyl trialkylammonium chlorides
    Patent number: 4556736
    Abstract: A process for producing crystalline acrylamidoalkyltrialkylammonium chloride by reacting a substituted acrylamide with methyl chloride in the presence of a reaction medium from the group consisting of acetone, methyl tert butyl ether and cyclohexane is provided.
    Type: Grant
    Filed: July 30, 1984
    Date of Patent: December 3, 1985
    Assignee: Deutsch Texaco Aktiengesellschaft
    Inventors: Heiko Humbert, Karlheinz Laping