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:
May. 21, 2013
Filed:
Aug. 18, 2009
Applicants:
Peter X. MA, Ann Arbor, MI (US);
Jianxiang Zhang, Ann Arbor, MI (US);
Inventors:
Peter X. Ma, Ann Arbor, MI (US);
Jianxiang Zhang, Ann Arbor, MI (US);
Assignee:
The Regents of The University of Michigan, Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A water soluble copolymer includes first and second hydrophilic block segments or graft chains. The first hydrophilic block segment or graft chain contains cyclodextrin groups in at least a majority of its repeating units, and the second hydrophilic block segment or graft chain contains repeating units other than cyclodextrin groups. The first and second block segments or graft chains are covalently linked.