Patents by Inventor David Mark Gale

David Mark Gale 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).

  • Polyoxymethylene/copolyether-ester blends
    Patent number: 4117033
    Abstract: An oxymethylene polymer of improved melt processability is provided by the addition of about 0.1-5 percent by weight of a low molecular weight copolyether-ester resin. The copolyether-ester consists essentially of long-chain ester units derived from long-chain glycols and dicarboxylic acids and short-chain ester units derived from low molecular weight diols and dicarboxylic acids.
    Type: Grant
    Filed: December 10, 1976
    Date of Patent: September 26, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: David Mark Gale