logo

For the Inventor, By the Inventor

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.:

US 9086527 B1

PDFFull Text
Expired
Date of Patent:
Jul. 21, 2015

Filed:

Dec. 17, 2013

Silicone-containing monomer

Applicant:

Dsm Ip Assets B.v., Heerlen, NL;

Inventors:

James Parakka, Echt, NL;

Ananth Iyer, Echt, NL;

Durgaprasad Chalasani, Echt, NL;

Li Li, Echt, NL;

Assignee:

DSM IP ASSETS B.V., Heerlen, NL;

Attorney:

Jeffrey R. Ramberg

Primary Examiner:

Margaret Moore

Int. Cl.
CPC ...
C07D 231/00 (2006.01); G02B 1/04 (2006.01); C08F 220/20 (2006.01); C08F 220/56 (2006.01); C08F 226/10 (2006.01); C07F 7/08 (2006.01); C08G 77/14 (2006.01); C08G 77/26 (2006.01); C08F 220/40 (2006.01); C08F 230/08 (2006.01);
U.S. Cl.
CPC ...
G02B 1/043 (2013.01); C08F 220/20 (2013.01); C08F 220/56 (2013.01); C08F 226/10 (2013.01); C07F 7/0812 (2013.01); C08F 220/40 (2013.01); C08F 230/08 (2013.01); C08G 77/14 (2013.01); C08G 77/26 (2013.01);
Abstract

Silicone-containing monomer of formula (I); wherein said silicone-containing monomer comprises a silicone-containing moiety and an oxazolidinone moiety and wherein R is a silicone-containing moiety, and Rmay be an H, wherein A represents the oxazolidinone ring of the oxazolidinone moiety and Ris a divalent Calkylene or Carylalkylene. The monomer is used for the preparation of a composition for use in manufacturing of ophthalmic lenses potentially with anti-infective properties. Also, methods of making the present monomers are described.

Find Patent Forward Citations

Parakka, James. (2015). Silicone-containing monomer (U.S. Patent No. 9086527). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9086527

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…