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. 21, 2014
Filed:
Jul. 17, 2012
Yuan Xu, Fremont, CA (US);
Charlie Chen, San Ramon, CA (US);
Charles A. Francis, Union City, CA (US);
Shane Mao, San Ramon, CA (US);
Hong Xue, Pleasanton, CA (US);
Xining Zhang, Union City, CA (US);
Yuan Xu, Fremont, CA (US);
Charlie Chen, San Ramon, CA (US);
Charles A. Francis, Union City, CA (US);
Shane Mao, San Ramon, CA (US);
Hong Xue, Pleasanton, CA (US);
Xining Zhang, Union City, CA (US);
CooperVision International Holding Company, LP, St. Michael, BB;
Abstract
A method for preparing a polymerizable monomer-dye compound is provided in which a monomer, a reactive dye, and base are combined under substantially anhydrous reaction conditions to form the polymerizable monomer-dye compound, wherein the monomer comprises a pendant reactive group that covalently links to the reactive dye to form the monomer-dye compound.