Patents by Inventor Stanley Temple

Stanley Temple 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).

  • Oil and water repellent polymer containing onium groups
    Patent number: 4013627
    Abstract: Oil and water repellent polymer comprised of polymer chain repeat units derived from (1) a monomer of the formula R.sub.f CH.sub.2 CH.sub.2 OCOC(R)=CH.sub.2 wherein R.sub.f is a perfluoroalkyl group of 4-14 carbon atoms and R is H or CH.sub.3, (2) a vinyl monomer which is free of non-vinylic fluorine and (3) an ionic monomer of the formula CH.sub.2 =C(R)--Z--Y.sup.+X.sup.- wherein R is H or CH.sub.3, Z is a connecting group which activates vinyl polymerization, Y.sup.+ is an onium ionic group and X.sup.- is a water solubilizing anion.
    Type: Grant
    Filed: September 12, 1974
    Date of Patent: March 22, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Stanley Temple