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:
Jul. 12, 1977
Filed:
Nov. 29, 1974
Applicant:
Inventor:
Emil W Deeg, Woodstock, CT (US);
Assignee:
American Optical Corporation, Southbridge, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; B05D / ;
U.S. Cl.
CPC ...
427169 ; 427164 ; 3501 / ; 106D / ;
Abstract
A laminated optical or ophthalmic element is produced comprised of an amorphous and/or crystalline material possessing phototropic or photochromic properties as a result of applying a thin layer over at least one surface thereof, which layer includes a combination of cations and anions including silver or copper bromide and/or chloride.
Quick Actions:
Deeg, Emil. (1977). Method of providing a phototropic layer on a carrier (U.S. Patent No. 4035527). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4035527
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile