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:
Sep. 02, 2014
Filed:
Mar. 02, 2010
Applicants:
Koji Kaiso, Ube, JP;
Masanori Abe, Ube, JP;
Tsunemi Sugimoto, Ube, JP;
Inventors:
Assignee:
Ube Industries, Ltd., Ube-shi, Yamaguchi, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/36 (2006.01); C08J 9/00 (2006.01); C08J 3/14 (2006.01); C08G 69/26 (2006.01); C08G 69/02 (2006.01); C08G 69/14 (2006.01);
U.S. Cl.
CPC ...
C08G 69/02 (2013.01); C08J 2377/00 (2013.01); C08J 3/14 (2013.01); C08G 69/26 (2013.01); C08G 69/14 (2013.01);
Abstract
There is provided a novel polyamide particles having an approximately spherical outer shape, which are spongy particles having through-holes in an outer surface part and closed voids in an inside part. The polyamide particles can be produced by dissolving a polyamide in a cyclic amide with heating to obtain a homogeneous solution and then cooling the solution.