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:
Aug. 13, 2002
Filed:
Jul. 24, 2001
Applicant:
Inventors:
Tomohiro Maekawa, Niihama, JP;
Kenji Manabe, Niihama, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/34 ;
U.S. Cl.
CPC ...
C08K 5/34 ;
Abstract
The present invention provides a methyl methacrylate resin composition exhibiting superior durability without impairing the transparency inherent to a methyl methacrylate resin, which comprises a methyl methacrylate resin and a 2-(1-arylalkylidene)malonic acid ester in an amount of 0.0005 to 0.1 parts by weight per 100 parts by weight of the methyl methacrylate resin.