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:
Jun. 16, 2020
Filed:
Feb. 18, 2016
Applicant:
Agency for Science, Technology and Research, Singapore, SG;
Inventors:
Dan Kai, Singapore, SG;
Xian Jun Loh, Singapore, SG;
Assignee:
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 290/06 (2006.01); A61L 27/52 (2006.01); C08F 220/28 (2006.01); C08F 293/00 (2006.01); A61L 27/18 (2006.01); C08F 2/38 (2006.01); C08L 5/16 (2006.01); C08L 97/00 (2006.01); C08H 7/00 (2011.01); A61L 27/26 (2006.01); C08G 83/00 (2006.01); C08L 71/02 (2006.01);
U.S. Cl.
CPC ...
C08F 290/062 (2013.01); A61L 27/18 (2013.01); A61L 27/26 (2013.01); A61L 27/52 (2013.01); C08F 2/38 (2013.01); C08F 220/28 (2013.01); C08F 290/06 (2013.01); C08F 293/005 (2013.01); C08G 83/003 (2013.01); C08G 83/005 (2013.01); C08H 6/00 (2013.01); C08L 5/16 (2013.01); C08L 71/02 (2013.01); C08L 97/00 (2013.01); C08F 2220/286 (2013.01); C08F 2438/01 (2013.01); C08L 2203/02 (2013.01);
Abstract
A copolymer comprising an oxygenated polyaromatic alcohol and a poly (alkylene oxide) alkyl ether (meth)acrylate is disclosed, wherein the oxygenated polyaromatic alcohol is preferably lignin or lignin derivative. A hydrogel comprising the copolymer and a cyclic oligosaccharide such as α-cyclodextrin is also disclosed, which can be used in biomedical or personal care industries, for example as a carrier for an active agent.