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:
Sep. 11, 2001
Filed:
May. 26, 1999
Applicant:
Inventors:
Chuan-Ju Chen, Amherst, MA (US);
Fred Ming-sheng Peng, late of Longmeadow, MA (US);
Assignee:
Bayer Antwerpen S.A./N.V., Antwerp, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/348 ;
U.S. Cl.
CPC ...
C08G 6/348 ;
Abstract
The present invention is directed to blends of two grafted rubber substrates and a matrix polymer wherein one of the grafted rubber substrates uses a core/shell rubber such as a styrene/butyl acrylate rubber in order to obtain a lower contrast ratio in the blends and better colorability as well as good impact strength.