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;
Michel Ernest Huille, Creil, FR;
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Abstract
The preparation of pigment compositions with a base of copper phthalocyanine is disclosed, which pigments are stable to crystallization. There is incorporated in the copper phthalocyanine pigments to be stabilized a compound of the formula: Wherein Pc represents phthalocyanine, A represents alkyl, cycloalkyl, unsubstituted aralkyl or aralkyl substituted by low molecular weight alkyl groups, and n is a number from 1 to 8. The stabilized pigment compositions according to the invention are particularly well suited for coloring printing inks.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile