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. 09, 1997
Filed:
Sep. 15, 1995
Applicant:
Inventors:
Helmut Franz, Pittsburgh, PA (US);
Fred A Fortunato, Allison Park, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428326 ; 65 24 ; 25 11 ; 25142 ; 25DI / ; 427384 ; 427420 ; 428438 ;
Abstract
A method and composition are disclosed for applying an organic acid-containing aqueous composition to a glass surface to prevent staining thereof wherein a wetting agent is employed to provide uniform and complete wetting of the glass surface with a uniform continuous film of said organic acid-containing aqueous composition.