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:
Feb. 26, 2002
Filed:
Oct. 19, 1999
Applicant:
Inventors:
Gary Joseph Van Diepen, Cranbourne, AU;
Michael Shane O'Shea, Mulgrave, AU;
Graeme Moad, Kallista, AU;
Assignee:
Polymers Australia Pty Limited, Victoria, AU;
Primary Examiner:
Int. Cl.
CPC ...
C08L 6/700 ; C08L 6/900 ;
U.S. Cl.
CPC ...
C08L 6/700 ; C08L 6/900 ;
Abstract
A polymer blend comprising a polyester, a polyfunctional acid anhydride wherein said polyfunctional acid anhydride has a functionality as described herein of three or more, and a polyhydric alcohol or precursor thereto wherein said polyhydric alcohol has a functionality of three or more, and wherein said molar ratio of said polyfunctional acid anhydride to the polyhydric alcohol or precursor thereto is in the range of 0.5:1 to (10×C):1, where C is the number of moles of alcohol or equivalent in the polyhydric alcohol or precursor thereto.