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:
Jan. 29, 2013
Filed:
Oct. 12, 2007
Naoto Yoshinaga, Hofu, JP;
Yoshiharu Wakayama, Hofu, JP;
Satoshi Ibaraki, Osaka, JP;
Jun Shimomura, Hofu, JP;
Yoshimi Murage, Hofu, JP;
Naoto Yoshinaga, Hofu, JP;
Yoshiharu Wakayama, Hofu, JP;
Satoshi Ibaraki, Osaka, JP;
Jun Shimomura, Hofu, JP;
Yoshimi Murage, Hofu, JP;
Air Water Inc., Hokkaido, JP;
Abstract
Disclosed is a thermofusible and thermosetting phenol resin powder having an average particle diameter of not more than 20 μm and a single particle ratio of not less than 0.7. This phenol resin powder preferably has an average particle diameter of not more than 10 μm, a variation coefficient of the particle size distribution of not more than 0.65, a particle sphericity of not less than 0.5 and a free phenol content of not more than 1000 ppm. Also disclosed are a dispersion liquid of such a phenol resin powder, and a method for producing a phenol resin powder having such characteristics.