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. 17, 2012
Filed:
Dec. 01, 2010
Applicant:
Henry Keith Chenault, Hockessin, DE (US);
Inventor:
Henry Keith Chenault, Hockessin, DE (US);
Assignee:
Actamax Surgical Materials, LLC, Berkeley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 61/00 (2006.01); C08G 61/04 (2006.01); C07C 209/00 (2006.01); C08G 73/02 (2006.01); C08G 65/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for preparing multi-arm poly(ethylene glycol) (PEG) chlorides from multi-arm PEG polyols is described. The method comprises a process, wherein the multi-arm PEG polyol is reacted with thionyl chloride to form the multi-arm PEG chloride.