Patents by Inventor Darrell A. Klemme

Darrell A. Klemme 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: 4378398
    Abstract: This invention presents to the art novel heat curable adhesive systems and laminates bonded by the adhesive system. The heat curable adhesive system comprises a heat curable adhesive composition which is a dispersion of a specific polyester, a polyvinylchloride which is or includes a carboxylated polyvinyl chloride and a polyepoxide and a curing agent for the adhesive composition. Curing of the adhesive composition can be effected at relatively low activation temperatures which provides distinct advantages in preparing laminates particularly those involving thin sheets of polymeric material bonded to metal sheet materials.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: March 29, 1983
    Assignee: USM Corporation
    Inventor: Darrell A. Klemme
  • Patent number: 4335222
    Abstract: This invention presents to the art novel heat curable adhesive systems and laminates bonded by the adhesive system. The heat curable adhesive system comprises a heat curable adhesive composition which is a dispersion of a specific polyester, a polyvinylchloride which is or includes a carboxylated polyvinyl chloride and a polyepoxide and a curing agent for the adhesive composition. Curing of the adhesive composition can be effected at relatively low activation temperatures which provides distinct advantages in preparing laminates particularly those involving thin sheets of polymeric material bonded to metal sheet materials.
    Type: Grant
    Filed: July 18, 1980
    Date of Patent: June 15, 1982
    Assignee: USM Corporation
    Inventor: Darrell A. Klemme