FR669272A - Production de colorants polyméthiniques - Google Patents

Production de colorants polyméthiniques

Info

Publication number
FR669272A
FR669272A FR669272DA FR669272A FR 669272 A FR669272 A FR 669272A FR 669272D A FR669272D A FR 669272DA FR 669272 A FR669272 A FR 669272A
Authority
FR
France
Prior art keywords
production
polymethine dyes
polymethine
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)
Inventor
Richard Kuhn
Alfred Winterstein
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 filed Critical
Application granted granted Critical
Publication of FR669272A publication Critical patent/FR669272A/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)
  • Indole Compounds (AREA)
  • Coloring (AREA)
  • Color Printing (AREA)
FR669272D 1929-02-13 1929-02-07 Production de colorants polyméthiniques Expired FR669272A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB488729A GB328357A (en) 1929-02-13 1929-02-13 Manufacture of polymethine dyestuffs

Publications (1)

Publication Number Publication Date
FR669272A true FR669272A (fr) 1929-11-14

Family

ID=9785714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669272D Expired FR669272A (fr) 1929-02-13 1929-02-07 Production de colorants polyméthiniques

Country Status (3)

Country Link
DE (1) DE599560C (fr)
FR (1) FR669272A (fr)
GB (1) GB328357A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105778A1 (de) * 1981-02-17 1982-09-02 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von trimethinfarbstoffen
US5120858A (en) * 1991-03-25 1992-06-09 Miles Inc. Process for the preparation of trimethine dyestuffs

Also Published As

Publication number Publication date
GB328357A (en) 1930-05-01
DE599560C (de) 1934-07-09

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