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:
Aug. 14, 2012
Filed:
Oct. 15, 2007
Applicants:
Toku Fujioka, Wakayama, JP;
Tatsuki Matsumoto, Wakayama, JP;
Hisashi Goda, Wakayama, JP;
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is the method for producing an anionic surfactant powder, including removing impurities by introducing gas into a crude anionic surfactant containing water in a content of 0.01 to 5% by weight in a granulator or drier, having an agitating blade. Also disclosed is the method for producing an anionic surfactant powder, including introducing a gas along with the surface of an inner wall of a granulator or drier having an agitating blade at a reduced pressure to produce the anionic surfactant powder.