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. 20, 1993
Filed:
May. 22, 1992
Applicant:
Inventors:
Tadao Onaka, Shinnanyo, JP;
Hiroshi Fukuda, Tokuyama, JP;
Assignee:
Tosoh Corporation, Shinnanyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
252384 ; 427220 ;
Abstract
A method for preventing agglomeration of powder, characterized in that a polyvinyl pyrrolidone and/or a vinyl pyrrolidone-vinyl ester copolymer is incorporated as an anti-agglomeration agent to the powder.