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. 21, 1995
Filed:
Jul. 14, 1993
Applicant:
Inventors:
William M Hung, Alpharetta, GA (US);
Kai C Su, Alpharetta, GA (US);
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544327 ; 562 46 ; 562 47 ; 562 52 ;
Abstract
An ultraviolet radiation absorbing agent for bonding to an ocular lens. The agent has the formula
Hung, William. (1995). Ultraviolet absorbing benzophenone sulfonic acid derivatives (U.S. Patent No. 5399692). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5399692
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile