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. 24, 2009
Filed:
Nov. 09, 2005
Applicants:
Anna Panova, Hockessin, DE (US);
Robert Dicosimo, Chadds Ford, PA (US);
Edward G. Brugel, Wilmington, DE (US);
Wilson Tam, Boothwyn, PA (US);
Inventors:
Anna Panova, Hockessin, DE (US);
Robert Dicosimo, Chadds Ford, PA (US);
Edward G. Brugel, Wilmington, DE (US);
Wilson Tam, Boothwyn, PA (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilm., DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 17/00 (2006.01); C12P 17/16 (2006.01); C12P 17/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Hydrolytic enzymes capable of catalyzing amidation reactions can be used to produce cyclic amide oligomers from diesters and diamines. The cyclic amide oligomers are useful for the production of higher molecular weight polyamides.