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:
Apr. 19, 2016
Filed:
Sep. 23, 2014
Applicant:
Novartis Ag, Basel, CH;
Inventors:
Troy Vernon Holland, Suwanee, GA (US);
Frank Chang, Cumming, GA (US);
Uwe Haken, Norcross, GA (US);
Joseph I. Weinschenk, III, Fort Worth, TX (US);
Assignee:
Novartis AG, Basel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C08L 83/04 (2006.01); G02B 1/04 (2006.01); C08F 220/54 (2006.01); C08F 230/08 (2006.01);
U.S. Cl.
CPC ...
C08L 83/04 (2013.01); C08F 220/54 (2013.01); C08F 230/08 (2013.01); G02B 1/043 (2013.01);
Abstract
Described herein is a method for producing UV-absorbing silicone hydrogel contact lenses, which is free or substantially free of internal stress and also is capable of blocking ultra-violet ('UV') radiation and optionally (but preferably) violet radiation with wavelengths from 381 nm to 440 nm, according to a photocuring technology, preferably according to the Lightstream Technology™. This invention also provides UV-absorbing contact lenses made according to a method of the invention.