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. 16, 2014
Filed:
Oct. 05, 2011
Selma Kuyu, Duluth, GA (US);
Dawn Alison Smith, Rotorua, NZ;
Jinyu Huang, Suwanee, GA (US);
Frank Chang, Suwanee, GA (US);
Robert Scott, Alpharetta, GA (US);
Arturo Norberto Medina, Suwanee, GA (US);
Manivakkam J. Shankernarayanan, Alpharetta, GA (US);
Selma Kuyu, Duluth, GA (US);
Dawn Alison Smith, Rotorua, NZ;
Jinyu Huang, Suwanee, GA (US);
Frank Chang, Suwanee, GA (US);
Robert Scott, Alpharetta, GA (US);
Arturo Norberto Medina, Suwanee, GA (US);
Manivakkam J. Shankernarayanan, Alpharetta, GA (US);
Novartis AG, Basel, CH;
Abstract
The invention provide a class of linear chain-extended polysiloxane crosslinkers which comprises two terminal ethylenically unsaturated groups, at least two polysiloxane segments, and dangling hydrophilic polymer chains each covalently attached to a divalent organic radical separating each pair of adjacent polysiloxane segments. The present invention is also related to a polymer comprising crosslinking units derived from chain-extended polysiloxane crosslinker of the invention and to ophthalmic lenses comprising such a polymer.