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:
Aug. 10, 1982
Filed:
Dec. 29, 1980
Applicant:
Inventors:
Marga Faulstich, Mainz, DE;
Volmar Geiler, Mainz-Finthen, DE;
Assignee:
Schott Glaswerke, Mains, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501 78 ; 501903 ;
Abstract
An optical glass having n.sub.D =1.63.+-.(1.5.times.10.sup.-2), v.sub.D =59.5.+-.1.0, a high chemical stability and a low tendency to crystallization is provided, consisting essentially of (in percent. by weight):
Faulstich, Marga. (1982). Optical glass having n.sub.d =1.63.+-.(1.5.times.10.sup.-2), v.sub.d (U.S. Patent No. 4343908). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4343908
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile