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:
May. 12, 2015
Filed:
Oct. 06, 2011
Applicants:
Junpei Fujiwara, Isesaki, JP;
Masatoshi Kawata, Isesaki, JP;
Inventors:
Junpei Fujiwara, Isesaki, JP;
Masatoshi Kawata, Isesaki, JP;
Assignee:
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 85/00 (2006.01); C08L 53/00 (2006.01); C08L 25/06 (2006.01); B65D 73/02 (2006.01); C08L 53/02 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C08L 25/06 (2013.01); B65D 73/02 (2013.01); C08L 53/02 (2013.01); C08J 5/18 (2013.01);
Abstract
An electronic component packaging sheet formed of a styrene resin composition includes: (A) 29-65 mass parts of a styrene-conjugated diene block copolymer; (B) 51-15 mass parts of a polystyrene resin; and (C) 20-9 mass parts of an impact resistant polystyrene resin. Components (A)-(C) each have a weight average molecular weight (Mw) within a specified range.