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:
May. 25, 1993
Filed:
Jul. 19, 1991
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Sangi, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C / ; A61K / ;
U.S. Cl.
CPC ...
424429 ; 3511 / ; 523106 ; 525937 ;
Abstract
An antibacterial contact lens material comprising a hydrogel lens material and an antibacterial ceramic containing at least one metal selected from the group consisting of Ag, Cu and Zn. The lens material contains from 0.001-10.0% by weight of the antibacterial ceramic and the ceramic from 0.0001 to 10.0% by weight of the metal based on the weight of the ceramic.
Sakuma, Shuji. (1993). Contact lens material (U.S. Patent No. 5213801). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5213801
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile