Patents by Inventor Randolph Joseph Guschl

Randolph Joseph Guschl 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).

  • Flame retardant polymeric compositions
    Patent number: 4117041
    Abstract: Oligomers of (substituted phenoxy)cyclotriphosphazenes and aromatic diols render polymers such as polyesters, polyolefins, etc., in the form of fibers, films and other shapes permanently flame retardant.
    Type: Grant
    Filed: September 30, 1977
    Date of Patent: September 26, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Randolph Joseph Guschl
  • Flame retardant polymeric compositions
    Patent number: 4094856
    Abstract: Oligomers of (substituted phenoxy)cyclotriphosphazenes and aromatic diols render polymers such as polyesters, polyolefins, etc., in the form of fibers, films and other shapes permanently flame retardant.
    Type: Grant
    Filed: June 15, 1976
    Date of Patent: June 13, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Randolph Joseph Guschl