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:
Oct. 31, 2017
Filed:
Sep. 22, 2014
Applicants:
Monjit Phukan, Bangalore, IN;
Anubhav Saxena, Bangalore, IN;
Shreedhar Bhat, Bangalore, IN;
Inventors:
Assignee:
MOMENTIVE PERFORMANCE MATERIALS INC., Waterford, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); C08F 290/06 (2006.01); C09D 151/08 (2006.01); C09J 151/08 (2006.01); C07F 7/08 (2006.01);
U.S. Cl.
CPC ...
G02B 1/043 (2013.01); C07F 7/0818 (2013.01); C08F 290/062 (2013.01); C08F 290/068 (2013.01); C09D 151/08 (2013.01); C09J 151/08 (2013.01); G02B 2207/109 (2013.01);
Abstract
A hydrophilic silicone macromer composition suitable for use in producing hydrogel polymer films from which biomedical devices such as contact lenses can be made. The hydrophilic silicone macromer comprises a polyether backbone comprising a silicone-containing pendant group. In one aspect, a hydrophilic silicone macromer is of the Formula 1: The hydrophilic silicone macromer can be used to form a polymer and a hydrogel film suitable for forming contact lenses.