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. 12, 1976
Filed:
Jul. 15, 1975
Louis Antoine Cabut, Nogent sur Oise, FR;
Jean-Claude Henri Hardouin, Chantilly, FR;
Michel Ernest Huille, Creil, FR;
Daniel Francois Pigasse, Chantilly, FR;
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Abstract
The preparation of pigment compositions with a copper phthalocyanine base, stable to crystallization is described. There is incorporated in the copper phthalocyanine pigments to be stabilized a compound of the general formula: ##SPC1## Wherein Pc represents a phthalocyanine residue, moiety or radical, X represents oxygen or sulfur or --NH-- bridge, R.sub.1 represents halogen or alkoxy, trifluoromethyl, trifluoromethoxy, cyano, carboxy, nitro, N-alkylamino or N,N-dialkylamino, R.sub.2 represents hydrogen, or alkyl or alkoxy group, R.sub.3 represents hydrogen or alkyl, n is a number from 1 to 8, R.sub.1, R.sub.2 and R.sub.3 may occupy the ortho, meta or para positions of the benzene ring. The pigment compositions according to the invention are particularly well suited for the coloring of printed inks.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile