Patents by Inventor Harold E. De Le Mare

Harold E. De Le Mare 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).

  • Stabilized acrylate resins
    Patent number: 3959222
    Abstract: Improved stabilized acrylate resins compositions comprise the acrylate resin and a precise amount of a stabilizing acid having a pK.sub.a less than 2.5 and having an anion having a nucleophilicity of less than 2.5. An improved method of preparing stabilized acrylate resins comprises reacting the acrylate acid, epoxide, nucleophilic catalyst and stabilizing acid simultaneously to give the stabilized acrylate resin.
    Type: Grant
    Filed: January 28, 1975
    Date of Patent: May 25, 1976
    Assignee: Shell Oil Company
    Inventors: Harold E. De Le Mare, Harry Frank