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:
Mar. 29, 1988
Filed:
May. 07, 1986
Applicant:
Inventors:
Assignee:
Toyo Soda Manufacturing Co., Ltd., Shinnanyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
1063 / ; 106309 ; 524 87 ; 524104 ; 524106 ; 524173 ; 524555 ;
Abstract
Organic pigments are prepared by dissolving at least one organic pigment in a non-protonic polar solvent in the presence of a caustic alkali and water, and adding to the solution an acid having an acrylic resin dissolved therein to effect neutralization and reprecipitation.