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:
Mar. 30, 1993
Filed:
Jul. 23, 1991
Applicant:
Inventors:
Vernon J Grebe, Baltimore, MD (US);
Elie E Saad, Burtonsville, MD (US);
Derek W Sproson, Baltimore, MD (US);
Arthur C Stidham, Baltimore, MD (US);
Assignee:
Miles Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501 65 ; 501 64 ; 501 21 ;
Abstract
The present invention is directed to an alkali borosilicate frit which is capable of being applied to a metal substrate by the dry powder electrostatic process at a transfer efficiency of at least 70%, has a glass transition temperature of >525.degree. C. and contains, based on the total weight of the frit: