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:
Dec. 01, 1992
Filed:
Dec. 12, 1990
Applicant:
Inventor:
Harvey P Tannenbaum, Philadelphia, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B05D / ;
U.S. Cl.
CPC ...
428422 ; 4273722 ; 4273855 ; 428458 ; 524514 ;
Abstract
Improved non-stick coating systems can be applied to untreated smooth substrate with a primer of a first polytetrafluoroethylene having a melt viscosity over 10.sup.10 poises plus a second polytetrafluoroethylene having a melt viscosity in the range of 10.sup.3 to 10.sup.8 poises to give a concentration gradient.
Tannenbaum, Harvey. (1992). Non-stick coating system with high and low melt viscosity ptfe for (U.S. Patent No. 5168013). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5168013
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile