FR54378E - Sensitizing dyes, pyrrolidic derivatives used in the manufacture of certain of these dyes and processes for preparing these various products - Google Patents

Sensitizing dyes, pyrrolidic derivatives used in the manufacture of certain of these dyes and processes for preparing these various products

Info

Publication number
FR54378E
FR54378E FR54378DA FR54378E FR 54378 E FR54378 E FR 54378E FR 54378D A FR54378D A FR 54378DA FR 54378 E FR54378 E FR 54378E
Authority
FR
France
Prior art keywords
dyes
pyrrolidic
preparing
manufacture
processes
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
French (fr)
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 FR54378E publication Critical patent/FR54378E/en
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
FR54378D 1943-12-25 1943-02-18 Sensitizing dyes, pyrrolidic derivatives used in the manufacture of certain of these dyes and processes for preparing these various products Expired FR54378E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF3913D DE902291C (en) 1943-12-25 1943-12-25 Process for the preparation of sensitizing dyes

Publications (1)

Publication Number Publication Date
FR54378E true FR54378E (en) 1950-03-10

Family

ID=7084048

Family Applications (1)

Application Number Title Priority Date Filing Date
FR54378D Expired FR54378E (en) 1943-12-25 1943-02-18 Sensitizing dyes, pyrrolidic derivatives used in the manufacture of certain of these dyes and processes for preparing these various products

Country Status (2)

Country Link
DE (1) DE902291C (en)
FR (1) FR54378E (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL239859A (en) * 1958-06-04

Also Published As

Publication number Publication date
DE902291C (en) 1954-01-21

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