FR1092644A - Sensitizing dyes of the merocyanine series and method for preparing these dyes - Google Patents

Sensitizing dyes of the merocyanine series and method for preparing these dyes

Info

Publication number
FR1092644A
FR1092644A FR1092644DA FR1092644A FR 1092644 A FR1092644 A FR 1092644A FR 1092644D A FR1092644D A FR 1092644DA FR 1092644 A FR1092644 A FR 1092644A
Authority
FR
France
Prior art keywords
dyes
preparing
sensitizing
merocyanine series
merocyanine
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of FR1092644A publication Critical patent/FR1092644A/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
    • C09B23/10—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
FR1092644D 1952-11-21 1953-11-20 Sensitizing dyes of the merocyanine series and method for preparing these dyes Expired FR1092644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE764690X 1952-11-21

Publications (1)

Publication Number Publication Date
FR1092644A true FR1092644A (en) 1955-04-25

Family

ID=6672915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1092644D Expired FR1092644A (en) 1952-11-21 1953-11-20 Sensitizing dyes of the merocyanine series and method for preparing these dyes

Country Status (3)

Country Link
BE (1) BE524483A (en)
FR (1) FR1092644A (en)
GB (1) GB764690A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979501A (en) * 1959-05-18 1961-04-11 Ilford Ltd Methin dyes containing pyrroline nuclei

Also Published As

Publication number Publication date
GB764690A (en) 1957-01-02
BE524483A (en)

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