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:
Sep. 14, 2010
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);
U.S. Cl.
CPC ...
Abstract
A method of making antimicrobial quaternary ammonium polymers, comprising: a) mixing 1,4-bis-dimethylamino-2-butene, water, a first portion of triethanolamine and a first portion of acid; b) adding a 1,4-dihalo-2-butene and heating the reaction mixture; c) adding a second portion of triethanolamine and a second portion of acid, and d) isolating a quaternary ammonium polymer having a molecular weight of at least 26 k.
Yu, Zhi-Jian. (2010). Polyquarternium-1 synthesis methods (U.S. Patent No. 7795374). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7795374
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile