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. 22, 2020
Filed:
Oct. 25, 2017
Applicant:
Alcon Inc., Fribourg, CH;
Inventors:
Harald Bothe, Niedernhausen, DE;
Bernhard Seiferling, Goldbach, DE;
Heike Arndt, Mömlingen, DE;
Thomas Wasse, Wörth, DE;
Stephan Wittmar, Erlenbach, DE;
Assignee:
Alcon Inc., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); G02C 7/04 (2006.01); C08L 29/04 (2006.01); C07H 3/02 (2006.01); C07H 3/04 (2006.01); C08L 39/04 (2006.01); C08L 71/08 (2006.01); C09D 129/14 (2006.01); C08F 216/38 (2006.01); C08F 222/38 (2006.01); C08F 226/06 (2006.01); C08K 5/15 (2006.01);
U.S. Cl.
CPC ...
G02B 1/043 (2013.01); C07H 3/02 (2013.01); C07H 3/04 (2013.01); C08L 29/04 (2013.01); C08L 39/04 (2013.01); C08L 71/08 (2013.01); C09D 129/14 (2013.01); G02C 7/049 (2013.01); C08F 216/38 (2013.01); C08F 222/38 (2013.01); C08F 226/06 (2013.01); C08K 5/15 (2013.01);
Abstract
The invention is generally related to soft contact lenses which comprise a polyvinylalcohol-based hydrogel lens body and a durable lubricious coating thereon which are covalently attached to the polyvinylalcohol-based hydrogel lens body through 6-membered acetal rings and to a method for producing the same.