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. 10, 1991
Filed:
Aug. 21, 1989
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 / ;
U.S. Cl.
CPC ...
428216 ; 428331 ; 428419 ; 428422 ; 428429 ; 428447 ; 428448 ; 428463 ; 4284735 ;
Abstract
Non-stick coating systems can be applied to untreated smooth glass and ceramic substrates with a polysiloxane undercoat overlaid with a second undercoat of polyamide imide preferably containing colloidal silica and surfactant, with each undercoat in the range of 0.1-5.0 microns thick.
Tannenbaum, Harvey. (1991). Non-stick coating system with two thin undercoats, the first being (U.S. Patent No. 5071695). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5071695
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile