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:
Mar. 15, 2011
Filed:
Dec. 01, 2008
Applicants:
Ching-ping Huang, Taoyuan Hsien, TW;
Roy Wu, Taoyuan Hsien, TW;
Ken-yuan Chang, Taoyuan Hsien, TW;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 290/06 (2006.01); C07F 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polysiloxane-based prepolymer of a three-dimensional network structure produced by hydrolysis-condensation of a first mixture having a tetra-alkoxysilane compound, an ethylenically unsaturated organosiloxane monomer, and a hydrophilic silicon-containing polyfunctional monomer. A hydrogel is prepared by polymerizing a second mixture having the aforesaid polysiloxane-based prepolymer, an acrylated silicon-containing monomer, and an ethylenically unsaturated hydrophilic monomer.
Huang, Ching-Ping. (2011). Polysiloxane-based prepolymer and hydrogel (U.S. Patent No. 7906563). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7906563
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile