The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 02, 1978
Filed:
Nov. 10, 1976
Applicant:
Inventor:
Thomas Patrick Concannon, Newtown Square, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 2608 / ; 2608 / ;
Abstract
Aqueous dispersions of polymers of tetrafluoroolefin and tetrafluoroolefin/hexafluoropropylene containing other film-forming materials such as polyamide acid salts or polymeric quaternary hydroxides blended with nitrogen-resins and articles coated or impregnated with these dispersions are provided. Coatings prepared from such dispersions provide lubricity, release properties, chemical and high temperature resistance, and electrical insulation for a wide variety of substrates such as metals, ceramics and the like.