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:
Jan. 28, 2014
Filed:
Dec. 07, 2009
Edward T. Kopesky, Arlington, MA (US);
Jason Berlin, Everett, MA (US);
Martin F. Van Buren, Chelmsford, MA (US);
Gavin J. C. Braithwaite, Cambridge, MA (US);
Edward T. Kopesky, Arlington, MA (US);
Jason Berlin, Everett, MA (US);
Martin F. Van Buren, Chelmsford, MA (US);
Gavin J. C. Braithwaite, Cambridge, MA (US);
Cambridge Polymer Group, Inc., Boston, MA (US);
Abstract
The invention provides methods of making hydrolyzed cross-linked polyvinyl alcohol (PVA) hydrogels by polymerizing vinyl acetate (VAc) monomers to polyvinyl acetate (PVAc) polymer network by chemical-crosslinking and hydrolysis. The invention also provides methods for including pendant chains in the hydrogel during the polymerization process. Materials produced and use of the cross-linked hydrolyzed PVA hydrogels also are disclosed herein.