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:
Sep. 11, 2012
Filed:
Oct. 31, 2007
Bruce E. Lawton, Rochester, NY (US);
Stephen P. Johnston, Ashville, NY (US);
Edward A. Vaquero, Fairport, NY (US);
Sanjay Rastogi, Rochester, NY (US);
Bruce E. Lawton, Rochester, NY (US);
Stephen P. Johnston, Ashville, NY (US);
Edward A. Vaquero, Fairport, NY (US);
Sanjay Rastogi, Rochester, NY (US);
Bausch & Lomb Incorporated, Rochester, NY (US);
Abstract
A mold assembly for the manufacture of at least one ophthalmic device used in or on the eye is disclosed. The mold assembly includes a mateable pair of mold parts wherein at least one of the mold parts comprises at least an oxygen-absorbing mold material and an oxygen scavenger composition containing (i) an oxygen scavenging polymer comprising a polymer backbone and one or more substituted or unsubstituted cyclic olefinic groups covalently linked to the polymer backbone; and (ii) an oxygen scavenging catalytic amount of a transition metal catalyst.