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:
Jun. 18, 2019
Filed:
Sep. 17, 2018
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Yoko Arai, Shizuoka, JP;
Atsumi Yamabe, Kanagawa, JP;
Koichiro Oyama, Kanagawa, JP;
Yasuo Kamada, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C 44/00 (2006.01); C08J 9/12 (2006.01); C08J 9/20 (2006.01); C08G 69/24 (2006.01); C08G 69/18 (2006.01); C08G 69/22 (2006.01); C08L 77/02 (2006.01); B29K 77/00 (2006.01); B29C 44/34 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
C08J 9/122 (2013.01); B29C 44/00 (2013.01); C08G 69/18 (2013.01); C08G 69/22 (2013.01); C08G 69/24 (2013.01); C08J 9/20 (2013.01); C08L 77/02 (2013.01); B29C 44/3442 (2013.01); B29K 2077/00 (2013.01); B29K 2105/251 (2013.01); C08J 2203/06 (2013.01); C08J 2377/02 (2013.01);
Abstract
A particulate polyamide is provided. The particulate polyamide is porous and includes at least one of polyamide 4 and polyamide 3. In addition, the particulate polyamide has a particle diameter (d50) of from 10 μm to 1,000 μm and a particle diameter dispersion degree (Dv/Dn) of not greater than 3.0, wherein Dv represents the volume average particle diameter of the particulate polyamide, and Dn represents the number average particle diameter of the particulate polyamide.