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:
Mar. 04, 2003
Filed:
May. 05, 2000
Applicant:
Inventors:
Huai N. Cheng, Wilmington, DE (US);
Qu Ming Gu, Hockessin, DE (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 1/00 ; C07H 5/04 ; C07H 5/06 ; C07H 1/100 ;
U.S. Cl.
CPC ...
C07H 1/00 ; C07H 5/04 ; C07H 5/06 ; C07H 1/100 ;
Abstract
Product of esterified polysaccharides and the process of making such product. The process can be enzymatic where an enzyme is used as a catalyst for the reaction. The process can also be chemical where no enzyme is used. Novel products are obtained through lipase-catalyzed &bgr;-lactone ring opening alcoholysis of ketene dimers and the process of making such compositions containing products.
Cheng, Huai. (2003). Esterified polysaccharide products and b-lactone ring opened ketene dimer products containing the compositions, and process of making the same (U.S. Patent No. 6528643). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6528643
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile