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. 01, 2005
Filed:
Aug. 01, 2002
Moh-ching Oliver Chang, Wexford, PA (US);
Allen R. Padwa, Wochester, MA (US);
Norma I. Santiago, Amherst, MA (US);
Moh-Ching Oliver Chang, Wexford, PA (US);
Allen R. Padwa, Wochester, MA (US);
Norma I. Santiago, Amherst, MA (US);
Bayer Polymers LLC, Pittsburgh, PA (US);
Abstract
A thermoplastic molding composition comprising a grafted acrylate rubber (ASA) and a gloss reducing agent and a process for making the same are disclosed. The gloss reducing agent is the reaction product of (i) an epoxidized grafted rubber having two or more epoxy groups in its graft phase and (ii) a compound having two or more terminal primary amine groups per molecule The gloss reducing agent may be either incorporated in ASA as the reaction product of (i) and (ii) or, in the altemative, formed upon the reaction of (i) with (ii) in the course of the thermal processing of the a blend containing ASA, (i) and (ii).