FR845819A - Procédé de fabrication de colorants de carbocyanines symétriques - Google Patents

Procédé de fabrication de colorants de carbocyanines symétriques

Info

Publication number
FR845819A
FR845819A FR845819DA FR845819A FR 845819 A FR845819 A FR 845819A FR 845819D A FR845819D A FR 845819DA FR 845819 A FR845819 A FR 845819A
Authority
FR
France
Prior art keywords
carbocyanine dyes
symmetrical carbocyanine
manufacturing
manufacturing symmetrical
dyes
Prior art date
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.)
Expired
Application number
Other languages
English (en)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR845819A publication Critical patent/FR845819A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • 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
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR845819D 1937-11-11 1938-11-08 Procédé de fabrication de colorants de carbocyanines symétriques Expired FR845819A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI59561D DE733026C (de) 1937-11-11 1937-11-11 Verfahren zur Herstellung von symmetrischen Carbocyaninfarbstoffen

Publications (1)

Publication Number Publication Date
FR845819A true FR845819A (fr) 1939-09-04

Family

ID=25945085

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845819D Expired FR845819A (fr) 1937-11-11 1938-11-08 Procédé de fabrication de colorants de carbocyanines symétriques

Country Status (3)

Country Link
DE (1) DE733026C (fr)
FR (1) FR845819A (fr)
GB (1) GB521165A (fr)

Also Published As

Publication number Publication date
GB521165A (en) 1940-05-14
DE733026C (de) 1943-03-17

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