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:
Jul. 29, 2003
Filed:
Nov. 20, 2000
Applicant:
Inventors:
Yoshifumi Shikisai, Otake, JP;
Hisaya Yokohama, Otake, JP;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 3/324 ; C08L 3/904 ; C08L 5/710 ;
U.S. Cl.
CPC ...
C08L 3/324 ; C08L 3/904 ; C08L 5/710 ;
Abstract
A copolymer comprising a maleimide-based monomer unit and/or an unsaturated dicarboxylic acid anhydride-based monomer unit, where the copolymer contains an unreacted maleimide-based monomer and/or an unsaturated dicarboxylic acid anhydride-based monomer in an amount of 200 ppm or less and an adduct of a compound other than the polymerized units of the copolymer and the maleimide-based monomer and/or unsaturated dicarboxylic acid anhydride-based monomer in an amount of 0.1 to 3,000 ppm.