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.

Date of Patent:
Jul. 30, 1985

Filed:

Feb. 15, 1984
Applicant:
Inventor:

G Graham Allan, Seattle, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; G02C / ;
U.S. Cl.
CPC ...
523106 ; 264-11 ; 3511 / ; 523107 ; 523108 ; 527309 ; 527312 ; 536 551 ;
Abstract

An oxygen permeable, wettable, optically acceptable vision correction lens can be made from homopolymers of aminoglycans, substituted aminoglycans, or crosslinked polymers thereof.


Find Patent Forward Citations

Allan, G. (1985). Vision correction lens made from an aminopolysaccharide compound or an (U.S. Patent No. 4532267). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4532267

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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