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. 25, 1986
Filed:
May. 07, 1984
Applicant:
Inventors:
Stephen R Postle, Brentwood, GB;
Samuel B Kingston, Doddinghurst, GB;
Assignee:
Ciba-Geigy AG, Basel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428212 ; 428325 ; 428327 ; 428913 ; 428354 ; 524494 ;
Abstract
A photochromic assembly is produced by coating onto a self-supporting flexible plastics material a polymer latex comprising from 10 to 40% by weight to the total solids of the latex photochromic glass beads from 0.05 .mu.m to 50 .mu.m in size.
Postle, Stephen. (1986). Photochromic assembly comprising photochromic glass beads in polymer (U.S. Patent No. 4578305). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4578305
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile