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. 23, 1993
Filed:
Jan. 16, 1990
Applicant:
Inventors:
Yung-Haw Hu, Hockessin, DE (US);
Michael A Saltzberg, Glen Mills, PA (US);
Robert D Shannon, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501 10 ; 501 32 ; 501 46 ; 501 47 ; 501 48 ; 501 73 ; 501 77 ; 501 78 ; 501 20 ;
Abstract
A low-K crystallizable glass composition having a softening point of 550.degree.-800.degree. C., consisting essentially of mole % of: