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. 15, 2014
Filed:
Dec. 24, 2008
Applicants:
Masami Yonemura, Tokyo, JP;
Mayuko Kimura, Tokyo, JP;
Michio Ogawa, Okayama, JP;
Inventors:
Assignee:
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 20/08 (2006.01); C08F 20/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a thermoplastic acrylic resin comprising (i) a repeating unit derived from a methacrylate monomer, (ii) a repeating unit derived from a vinyl aromatic monomer, (iii) a repeating unit derived from an aromatic group-containing methacrylate monomer, and (iv) a cyclic acid anhydride repeating unit, and a molding for optical material comprising the same.