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:
Nov. 08, 2016
Filed:
Feb. 05, 2014
(meth)acryloxy-containing trisiloxane, siloxane-containing polymers and biomedical devices therefrom
Momentive Performance Materials Inc., Waterford, NY (US);
John Nicholson, Ramsey, NJ (US);
Ping Jiang, New City, NY (US);
Vikram Kumar, Tarrytown, NY (US);
Anubhav Saxena, Bangalore, IN;
Umapathy Senthilkumar, Bangalore, IN;
Eric Pohl, Mount Kisco, NY (US);
Kendall Guyer, Bartlett, IL (US);
Momentive Performance Materials Inc., Waterford, NY (US);
Abstract
There is provided a trisiloxane having a 3-(meth)acryloxy-substituted (hydroxylcyclohexyl)ethyl group, useful in making water absorbing silicone-hydrogel films for biomedical devices, such as contact lens, and a process for producing these monomers. This invention also provides for copolymers made from the trisiloxane having a 3-(meth)acryloxy-substituted (hydroxylcyclohexyl)ethyl group described herein.