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:
Oct. 20, 1981
Filed:
Sep. 30, 1977
Applicant:
Inventors:
Ugo Moiso, Saronno (Varese), IT;
Vincenzo Massabo, Saronno (Varese), IT;
Danilo Domenis, Saronno (Varese), IT;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
260160 ; 260144 ; 260156 ; 260157 ; 260176 ; 1062 / ;
Abstract
Pigments of the formula ##STR1## wherein X.sub.1 and X.sub.2 may be the same or different from one another and each is hydrogen, chlorine, fluorine, bromine, lower alkyl having 1 to 3 carbon atoms or alkoxy having 1 to 3 carbon atoms; and wherein R.sub.1 and R.sub.2 are independently selected from the group consisting of pyrazolonyl and substituted pyrazolonyl are obtained by coupling a pyrazolone with a 4,4'-diaminobenzanilide. The pigments are useful in rotogravure inks.