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.:

US 5717049 B1

Date of Patent:

Feb. 10, 1998

Filed:

Mar. 25, 1996

High refractive index hydrogels prepared from polymers and copolymers of

Applicant:

Inventors:

Xiugao Liao, Irvine, CA (US);

Yading Wang, Mission Viejo, CA (US);

Stephen Q Zhou, Irvine, CA (US);

Assignee:

Pharmacia Iovision, Inc., Irvine, CA (US);

Attorney:

Oppenheimer Poms Smith

Primary Examiner:

Joseph L Schofer

Assistant Examiner:

N Sarofim

Int. Cl.

CPC ...

C08F / ;

U.S. Cl.

CPC ...

526304 ; 623-6 ; 524555 ;

Abstract

Novel biocompatible, high strength hydrogels useful in intraocular lenses are provided which are optically transparent, have high refractive indices and possess long term stability. The hydrogels are prepared from cross-linked copolymers of N-benzyl-N-methylacrylamide.

Find Patent Forward Citations

Liao, Xiugao. (1998). High refractive index hydrogels prepared from polymers and copolymers of (U.S. Patent No. 5717049). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5717049

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