Patents by Inventor Barry Cook

Barry Cook 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: 3939168
    Abstract: New piperidine derivatives and in particular esters and amides of substituted (piperidinyl-4) acetic acid are used as stabilisers for polymers, especially for polyolefines.
    Type: Grant
    Filed: July 17, 1973
    Date of Patent: February 17, 1976
    Assignee: Ciba-Geigy Corporation
    Inventor: Barry Cook
  • Patent number: 3937711
    Abstract: New piperidine derivatives and in particular 2-(piperidinyl-4')-ethyl-amines, -ethers and -esters are used as stabilisers for polymers, especially for polyolefines.
    Type: Grant
    Filed: October 15, 1973
    Date of Patent: February 10, 1976
    Assignee: Ciba-Geigy Corporation
    Inventor: Barry Cook