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. 22, 1994
Filed:
Dec. 23, 1992
Applicant:
Inventors:
Seiichi Nakagawa, Tokyo, JP;
Kuninori Okamoto, Kanagawa, JP;
Barry E Taylor, Wake Forest, NC (US);
Motohiko Tsuchiya, Tokyo, JP;
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
501 20 ; 501 10 ; 501 17 ;
Abstract
A crystallizable low melting glass consisting essentially of PbO, ZnO, B.sub.2 O.sub.3, GeO.sub.2 and optionally SiO.sub.2, SnO.sub.2 and a metal oxide colorant.