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. 11, 1977
Filed:
May. 08, 1975
Christoph Frey, Oberwil, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Isoindolinone pigments of the formula ##STR1## wherein M denotes a polyvalent metal atom other than an alkaline earth, R denotes an organic radical, X denotes an O or S atom or an imino group, X.sub.1 and Y.sub.1 denote H or halogen atoms, alkyl, alkoxy, alkoxycarbonyl, alkylsulphonyl or alkylcarbamoyl groups containing 1-6 C atoms, or nitro, carbamoyl or aralcarbamoyl groups, or the radicals X.sub.1 and Y.sub.1 form a fused benzene ring, X.sub.2 denotes an H atom, Y denotes a halogen atom and Z denotes a nitro, a carbamoyl or phenylcarbamoyl group, an alkylcarbamoyl group having 2-6 C atoms, or a group of the formula R.sub.1 Y.sub.2, wherein R.sub.1 represents an H atom, an alkyl or cycloalkyl group containing 1-6 C atoms or an aralkyl or aryl group and Y.sub.2 represents an O or S atom, m denotes 0-4, n denotes 0-4 and p denotes 0-3 and the sum of m+n+p must be 4, are useful for coloring plastics and lacquers in yellow to orange shades of excellent fastness properties.