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:
Jun. 19, 1979
Filed:
Jan. 26, 1978
Applicant:
Inventor:
Fridolin Babler, Allschwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C09B / ;
U.S. Cl.
CPC ...
2603 / ; 1061 / ; 106228 ; 1062 / ; 260 302 ; 260 / ; 260 / ;
Abstract
The bis-(4,5,6,7-tetrachloroisoindolin-1-on-3-ylidene)-phenylene-1,4-diamine p igment in a new stable modification, characterized by an X-ray diffractogram of which the four strongest lines correspond to interplanar spacings between 9.1 and 9.0, 3.56 and 3.52, 3.41 and 3.37 and also 2.98 and 2.95 A, and having a greenish-yellow shade.