Patents by Inventor Robert R. Reitz

Robert R. Reitz 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).

  • Light stabilized copolyetherester compositions
    Patent number: 7754825
    Abstract: Ultraviolet light stabilized copolyetherester compositions that comprise at least one nanoparticulate mineral selected from titanium dioxide, cerium oxide, and zinc oxide and at least one organic ultraviolet light stabilizer. Articles formed from the compositions are also disclosed.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: July 13, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: James Michael McKenna, Austin H. Reid, Jr., Robert R. Reitz, Shailaja R. Vaidya
  • Ethylene copolymers with enhanced fire resistant properties
    Patent number: 4849135
    Abstract: The addition of certain phosphate esters causes ethylene copolymers containing CaCO.sub.3 and/or Ca-Mg/CO.sub.3 and alumina trihydrate to have lower swell on burning and to have smaller and more uniform cell formation in the ceramic ash than compositions without such esters present.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: July 18, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Robert R. Reitz
  • Ethylene copolymers with enhanced fire resistant properties
    Patent number: 4678607
    Abstract: The addition of melamine/formaldehyde resins causes ethylene copolymers containing CaCO.sub.3 and alumina trihydrate to have lower swell on burning and has smaller and more uniform cell formation in the ceramic ash than compositions without such resins present.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: July 7, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Robert R. Reitz