ES420603A1 - Procedure for the obtaining of copper ptalocianin pigments. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of copper ptalocianin pigments. (Machine-translation by Google Translate, not legally binding)
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.)
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Bayer AG
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Bayer AG
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Priority claimed from DE19722258485external-prioritypatent/DE2258485A1/en
Application filed by Bayer AGfiledCriticalBayer AG
Publication of ES420603A1publicationCriticalpatent/ES420603A1/en
Process for obtaining copper phthalocyanine pigments, characterized in that 97 - 99.6 mol-% of an derivative of italic acid, if substituted, and 3 - 0.4 mol-% of one or more derivatives of italic acid of formula **(See formula)** wherein R1 signifies an alkyl moiety, optionally substituted with at least 3 carbon atoms or a cycloalkyl moiety and the A moieties signify carboxyl groups or their functional derivatives, is reacted with copper or with copper salts in the presence or absence of solvents and, if necessary, of nitrogenous bases and catalysts. (Machine-translation by Google Translate, not legally binding)
ES420603A1972-11-171973-11-16Procedure for the obtaining of copper ptalocianin pigments. (Machine-translation by Google Translate, not legally binding)
ExpiredES420603A1
(en)
Procedure for the preparation of new derivatives of (benzymidazolyl-2-methyl) piperazine. (Machine-translation by Google Translate, not legally binding)
Procedure for obtaining the acid (3,2-c) pirazol-11 oxoolean-d-, 12-dien-18 beta-30-oico esterified. (Machine-translation by Google Translate, not legally binding)