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. 06, 2002
Filed:
Jan. 12, 2001
Applicant:
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/00 ;
U.S. Cl.
CPC ...
C08F 6/00 ;
Abstract
The present invention provides a method of producing powder of e.g. a polycarboxylic acid-based copolymer efficiently at a high yield. The method of the present invention comprises forming a sticky thin-film of the polycarboxylic acid-based copolymer or the like on a support, reducing a stickiness of the said thin-film and powdering the said thin-film.