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:
Oct. 23, 1984
Filed:
May. 20, 1982
Applicant:
Inventors:
Thomas P Concannon, Newtown Square, PA (US);
Mitzie K Rummel, Secane, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08L / ;
U.S. Cl.
CPC ...
523218 ; 523310 ; 524413 ; 524431 ; 524443 ; 524449 ; 524450 ; 524546 ;
Abstract
Zeolites, including ultramarine blue retard the oxidative degradation of melt processible perfluorocarbon resins including FEP and PFA at elevated temperatures. Coating compositions of the perfluorocarbon resin, zeolite, and iron-containing pigments are provided.