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. 12, 2006
Filed:
Apr. 14, 2000
Takenobu Sunagawa, Takasago, JP;
Riichi Nishimura, Houston, TX (US);
Toshiyuki Mori, Akashi, JP;
Akira Takaki, Kobe, JP;
Takenobu Sunagawa, Takasago, JP;
Riichi Nishimura, Houston, TX (US);
Toshiyuki Mori, Akashi, JP;
Akira Takaki, Kobe, JP;
Kaneka Corporation, Osaka, JP;
Abstract
The present invention provides a processing aid for thermoplastic resin having a weight average molecular weight of 10,000 to 300,000, which is obtained by polymerizing an alkyl (meth)acrylate, or an alkyl (meth)acrylate and another vinyl monomer copolymerizable therewith, in the presence of a mercaptan having an alkyl ester group with Calkyl group as a chain transfer agent, and/or an organic peroxide having a tertiary-butyl peroxy group as a polymerization initiator.