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:
Apr. 24, 2018
Filed:
Apr. 07, 2011
Applicants:
Kenji Nakamura, Osaka, JP;
Koji Nakamura, Osaka, JP;
Inventors:
Kenji Nakamura, Osaka, JP;
Koji Nakamura, Osaka, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A46D 1/00 (2006.01); D01F 6/62 (2006.01); D01F 1/10 (2006.01);
U.S. Cl.
CPC ...
A46D 1/0261 (2013.01); A46D 1/0207 (2013.01); D01F 1/10 (2013.01); D01F 6/62 (2013.01); A46B 2200/1046 (2013.01); Y10T 428/2927 (2015.01);
Abstract
A filament for cosmetic brush is constituted by a polyester resin filament having many projections over its entire surface, wherein the polyester resin is polytrimethylene terephthalate and/or polybutylene terephthalate, the polyester resin contains glass particles of 1 to 2 μm in average particle size by 0.3 to 1.0 percent by weight as the inorganic particles, the thermal conductivity of the glass particle is in a range of 5 to 7 times that of the resin, and the projections are formed over the entire surface of the cosmetic filament by the glass particles covered with the resin.