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:
Mar. 18, 2008

Filed:

Jun. 06, 2005
Applicants:

Yu-chin Lai, Pittsford, NY (US);

James A. Bonafini, Jr., Pittsford, NY (US);

Inventors:

Yu-Chin Lai, Pittsford, NY (US);

James A. Bonafini, Jr., Pittsford, NY (US);

Assignee:

Bausch & Lomb Incorporated, Rochester, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/00 (2006.01); C08G 59/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A copolymer useful as a rigid gas permeable contact lens material is the polymerization product of a monomeric mixture comprising a polysiloxane-containing urethane or urea prepolymer endcapped with polymerizable ethylenically unsaturated radicals.


Find Patent Forward Citations

Loading…