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:
Nov. 02, 1982
Filed:
Jan. 26, 1981
Applicant:
Inventors:
John F Grunewalder, Glenshaw, PA (US);
William A Essary, Freeport, PA (US);
John S Ostrowski, Richardson, TX (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; G02B / ; E06B / ;
U.S. Cl.
CPC ...
428626 ; 350288 ; 252391 ; 148 / ; 106 1416 ; 106 1438 ; 428 34 ; 428433 ; 428457 ; 428630 ; 428671 ; 428687 ;
Abstract
The invention is directed to an article comprising a thin film of silver and/or copper contacted with a compound selected from the group consisting of a thiadiazole substituted by a mercapto group and/or an amino group and a triazole substituted by a mercapto and optionally an amino group. The invention is also directed to a method of protecting a silver and/or copper metallic film by contacting the film with a compound selected from the above group.