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. 03, 1978
Filed:
Aug. 24, 1976
Applicant:
Inventors:
Assignee:
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 14 ; 1062 / ; 252390 ; 252391 ;
Abstract
An anti-corrosive organic pigment is prepared by mixing a lignin type compound with urea, a urea derivative, melamine, a melamine derivative, ammonia or an ammonium salt, condensing the components of the mixture by heating the mixture in a molten form, and then pulverizing or dispersing the reaction mixture to form a pigment.