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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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Filing date
Publication date
Application filed by Hoechst AG, Farbwerke Hoechst AGfiledCriticalHoechst AG
Application grantedgrantedCritical
Publication of FR1092644ApublicationCriticalpatent/FR1092644A/fr
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
C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
C09B23/10—The polymethine chain containing an even number of >CH- groups
C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Nitrogen Condensed Heterocyclic Rings
(AREA)
FR1092644D1952-11-211953-11-20Colorants sensibilisateurs de la série des mérocyanines et procédé de préparation de ces colorants
ExpiredFR1092644A
(fr)