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:
Nov. 23, 1999
Filed:
Apr. 16, 1997
Moh Ching Chang, Westfield, MA (US);
Richard M Auclair, Westfield, MA (US);
Bayer Corporation, Pittsburgh, PA (US);
Abstract
A thermoplastic composition comprising (a) a polyalkyl acrylate rubber characterized that it contains no grafted phase, and (b) a poly (vinyl aromatic-co-nitrile)-grafted polyalkyl acrylate rubber, and (c) ungrafted poly (vinyl aromatic-co-nitrile) having a number average molecular weight of about 20,000 to 100,000 g/mole is disclosed. The composition which contains about 15 to 35% by weight of polyalkyl acrylate rubber having a weight average particle size of about 0.02 to 1 microns and wherein weight ratio between (a) to the total (a)+(b) is 0.1 to 0.5, is characterized in having improved physical and mechanical properties.