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:
Jun. 30, 1992
Filed:
Jul. 07, 1988
Applicant:
Inventors:
James H Hanlon, Pittsburgh, PA (US);
Lloyd G Shick, Natrona Heights, PA (US);
Helmut Franz, Pittsburgh, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156289 ; 156101 ; 156267 ; 156276 ; 427180 ; 427197 ; 427198 ; 427284 ;
Abstract
A method is disclosed for providing a temporary layer of a release agent on a substrate such as glass by applying a liquid dispersion of solid particles which do not bond to the glass or form a film and evaporating the liquid to yield a layer of loosely adherent particles on the substrate surface.