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:
Feb. 24, 2026
Filed:
Nov. 24, 2021
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/12 (2006.01); C08G 69/16 (2006.01); C08G 69/24 (2006.01); C08L 71/02 (2006.01);
U.S. Cl.
CPC ...
C08J 3/12 (2013.01); C08G 69/16 (2013.01); C08G 69/24 (2013.01); C08L 71/02 (2013.01); C08L 2205/22 (2013.01);
Abstract
Polyamide fine particles include a polymer or a copolymer including a repeating structure unit represented by Formula (1) as a main component, wherein a ratio (r/A) of a porosity r occupying a particle surface and a BET specific surface area Athat is a specific surface area of the particle surface measured by a BET method is 6.0 or more and 100.0 or less: wherein x is an integer of 2 or more and 3 or less.