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:
Oct. 22, 2024
Filed:
Feb. 12, 2020
Applicant:
Denka Company Limited, Tokyo, JP;
Inventors:
Assignee:
DENKA COMPANY LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/60 (2006.01); A41G 3/00 (2006.01); C08K 3/34 (2006.01); D01F 1/10 (2006.01); D01F 8/12 (2006.01); D01F 8/16 (2006.01);
U.S. Cl.
CPC ...
D01F 6/60 (2013.01); C08K 3/34 (2013.01); D01F 1/10 (2013.01); D01F 8/12 (2013.01); D01F 8/16 (2013.01); A41G 3/0083 (2013.01); D10B 2331/02 (2013.01); D10B 2503/08 (2013.01);
Abstract
A fiber for artificial hair is constituted of a resin composition containing an aliphatic polyamide and inorganic particles, and in a particle size distribution of the inorganic particles measured by a laser diffraction method, a ratio (D/D) of D, which is a particle size equivalent to a cumulative percentage of 50% based on volume, to D, which is a particle size equivalent to a cumulative percentage of 10% based on volume, is 1.8 or more and 3.0 or less.