Patents by Inventor William Van Hoeven, Jr.

William Van Hoeven, Jr. 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).

  • Fluorocarbon polymer-pigment coating compositions stabilized against discoloration
    Patent number: 4150008
    Abstract: The discoloration of finishes derived from coating compositions containing(a) fluorocarbon polymer, along with(b) pigment, and(c) a liquid carrier,Can be significantly reduced by adding to the composition, before it is applied, a compound which decomposes to an oxide or hydroxide of a particular metal.
    Type: Grant
    Filed: August 2, 1977
    Date of Patent: April 17, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Eustathios Vassiliou, William Van Hoeven, Jr.
  • Fluorocarbon polymer-polymeric adjunct coating compositions stabilized against discoloration
    Patent number: 4147683
    Abstract: The discoloration of finishes derived from coating compositions containing(a) fluorocarbon polymer, along with(b) a polymeric adjunct, and(c) a liquid carrier, can be significantly reduced by adding to the composition, before it is applied, a compound which decomposes to an oxide or hydroxide of a particular metal.
    Type: Grant
    Filed: August 2, 1977
    Date of Patent: April 3, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Eustathios Vassiliou, William Van Hoeven, Jr.
  • Fluorocarbon polymer-pigment-polymeric adjunct coating compositions stabilized against discoloration
    Patent number: 4145325
    Abstract: The discoloration of finishes derived from coating compositions containing(a) fluorocarbon polymer, along with(b) pigment,(c) a polymeric adjunct, and(d) a liquid carrier,Can be significantly reduced by adding to the composition, before it is applied, a compound which decomposes to an oxide or hydroxide of a particular metal.
    Type: Grant
    Filed: August 2, 1977
    Date of Patent: March 20, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Eustathios Vassiliou, William Van Hoeven, Jr.