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:
Jul. 13, 1999
Filed:
Dec. 11, 1996
James A Bonafini, Jr, Marlborough, MA (US);
Bausch & Lomb Incorporated, Rochester, NY (US);
Abstract
A bimodulus contact lens article, including both contact lenses and buttons from which contact lenses are produced. More specifically, the subject bimodulus contact lens article comprises a rigid gas-permeable polymeric core section and a soft edge section attached annularly about the core section. The edge section of the subject lens article comprises a crosslinked composition polymerized from a monomer mix including at least 15 weight percent of monomers represented by Formula I: ##STR1## wherein R.sub.1 is selected from: hydrogen and a methyl group, and R.sub.2 is selected from alkyl groups having from 1 to 8 carbon atoms, so long as R.sub.1 and R.sub.2 are not both methyl groups. The soft edge section is annularly attached to the core section by an interpenetrating network of the crosslinked composition into the core section.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile