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:
Oct. 20, 1998
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Jay F Kunzler, Canandaigua, NY (US);
Mahendra P Nandu, Rochester, NY (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02C / ; C08F / ;
U.S. Cl.
CPC ...
523106 ; 3511 / ; 526320 ; 526325 ;
Abstract
An improved hydrogel formed from hydrated polymerization products of monomer mixtures containing a major amount of at least one hydrophilic monomer and a strengthening monomer wherein the strengthening monomer is 2-hydroxycyclohexyl methacrylate. Contact lenses made from the hydrogels are also disclosed.