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:
Aug. 16, 2011
Filed:
Apr. 23, 2009
Applicant:
Zhi-jian Yu, Irvine, CA (US);
Inventor:
Zhi-Jian Yu, Irvine, CA (US);
Assignee:
Abbott Medical Optics Inc., Santa Ana, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 67/00 (2006.01); C08F 14/14 (2006.01); A61K 31/785 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multipurpose solution for contact lens care, comprising: an aqueous liquid medium; a quaternary ammonium polymer having an average molecular weight as determined by the proton NMR method of at least 22 k, and methods for making.