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:
Apr. 16, 2013
Filed:
Feb. 26, 2009
Applicants:
Jung-ahn Kim, Seoul, KR;
Hyun-oh Yoo, Seoul, KR;
Inventors:
Jung-Ahn Kim, Seoul, KR;
Hyun-Oh Yoo, Seoul, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/329 (2006.01); C08L 51/00 (2006.01); C08L 53/00 (2006.01); C08L 71/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are a new pH-sensitive co-polymer prepared from polyethylene oxide and a method of preparing the same. The polyethylene oxide co-polymer includes repeating units expressed by the Chemical Formulas 1 and 2, and further includes at least one of repeating units expressed by the Chemical Formulas 3 through 6.
Kim, Jung-Ahn. (2013). Ph-sensitive polyethylene oxide co-polymer and synthetic method thereof (U.S. Patent No. 8420771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8420771
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile