Patents by Inventor George Shkapenko

George Shkapenko 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: 4101439
    Abstract: A poly(oxyethylene-oxypropylene)glycol and poly(sutramethylene ether)glycol are blended together and the resulting blend and a chain extender are reacted with an organic diisocyanate under conditions which produce a thermoplastically processible polyurethane elastomer. The polyurethane elastomer can be used to advantage for making the sheath of a hydraulic hose.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: July 18, 1978
    Assignee: Samuel Moore & Company
    Inventors: David D. Russell, George Shkapenko
  • Patent number: 4010146
    Abstract: A poly(oxyethylene-oxypropylene)glycol and poly(tetramethylene ether)glycol are blended together and the resulting blend and a chain extender are reacted with an organic diisocyanate under conditions which produce a thermoplastically processible polyurethane elastomer. The polyurethane elastomer can be used to advantage for making the sheath of a hydraulic hose.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: March 1, 1977
    Assignee: Samuel Moore and Company
    Inventors: David D. Russell, George Shkapenko