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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 9804297 B1

PDFFull Text
Date of Patent:
Oct. 31, 2017

Filed:

Nov. 16, 2015

Material for contact lenses, method for manufacturing contact lenses and contact lenses obtained thereby

Applicant:

Benq Materials Corporation, Taoyuan, TW;

Inventors:

Fan-Dan Jan, Taoyuan, TW;

Hsiu-Hao Chang, Taipei, TW;

Assignee:

BenQ Materials Corporation, Taoyuan, TW;

Attorney:

CKC & Partners Co., Ltd.

Primary Examiner:

Tae H Yoon

Int. Cl.
CPC ...
C08L 83/02 (2006.01); G02C 7/04 (2006.01); G02B 1/04 (2006.01); B29D 11/00 (2006.01); C08F 290/06 (2006.01); C08G 77/38 (2006.01); B29K 83/00 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/043 (2013.01); B29D 11/00038 (2013.01); C08F 290/062 (2013.01); B29K 2083/00 (2013.01); B29K 2105/0061 (2013.01); B29K 2995/0092 (2013.01); C08G 77/38 (2013.01);
Abstract

The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): wherein R, Rand Rare independently C-Calkyl groups, Ris C-Calkyl group, Ris C-Calkylene group, Ris —ORO— or —NH—, Rand Rare independently C-Calkylene groups and m is an integer of about 1-2, n is an integer of about 4-80; at least one hydrophilic monomer; a surfactant which is an urethane (meth)acrylate containing poloxamer and an initiator.

Find Patent Forward Citations

Jan, Fan-Dan. (2017). Material for contact lenses, method for manufacturing contact lenses and contact lenses obtained thereby (U.S. Patent No. 9804297). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9804297

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

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