Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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Filing date
Publication date
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Publication of DE1569617A1publicationCriticalpatent/DE1569617A1/de
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
C09B67/0001—Post-treatment of organic pigments or dyes
C09B67/0017—Influencing the physical properties by treatment with an acid, H2SO4
C09B67/0019—Influencing the physical properties by treatment with an acid, H2SO4 of phthalocyanines
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Chemical & Material Sciences
(AREA)
Chemical Kinetics & Catalysis
(AREA)
Organic Chemistry
(AREA)
Nitrogen Condensed Heterocyclic Rings
(AREA)
DE196615696171965-08-191966-08-19Verfahren zur Aufarbeitung von bei der Herstellung von Phthalocyaninen erhaltenen Reaktionsgemischen
PendingDE1569617A1
(de)