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. 07, 2015
Filed:
Aug. 11, 2010
Applicants:
Shoichiro Harada, Tokyo, JP;
Yumiko Oki, Tokyo, JP;
Shoichi Takaishi, Tokyo, JP;
Takeshi Fujisawa, Tokyo, JP;
Tadayuki Ishii, Tokyo, JP;
Inventors:
Shoichiro Harada, Tokyo, JP;
Yumiko Oki, Tokyo, JP;
Shoichi Takaishi, Tokyo, JP;
Takeshi Fujisawa, Tokyo, JP;
Tadayuki Ishii, Tokyo, JP;
Assignee:
ASAHI KASEI CHEMICALS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); C08J 9/16 (2006.01); C08J 9/18 (2006.01); B29C 44/44 (2006.01); C08J 9/00 (2006.01); C08J 9/12 (2006.01); C08J 9/228 (2006.01);
U.S. Cl.
CPC ...
C08J 9/18 (2013.01); Y10T 428/2982 (2015.01); B29C 44/445 (2013.01); C08J 9/0038 (2013.01); C08J 9/122 (2013.01); C08J 9/228 (2013.01); C08J 2203/06 (2013.01); C08J 2367/00 (2013.01); C08J 2371/12 (2013.01); C08J 2425/06 (2013.01);
Abstract
The present invention provides expandable beads having an average particle size of 0.5 to 10 mm, a density of 0.033 to 0.80 g/cc, and a flame retardancy of V-0 or V-1 as measured according to the UL-94 vertical test (20 mm vertical burn test) in the UL standards.