GB764690A - New sensitizing dyestuffs of the merocyanine series and their manufacture and use - Google Patents

New sensitizing dyestuffs of the merocyanine series and their manufacture and use

Info

Publication number
GB764690A
GB764690A GB32491/53A GB3249153A GB764690A GB 764690 A GB764690 A GB 764690A GB 32491/53 A GB32491/53 A GB 32491/53A GB 3249153 A GB3249153 A GB 3249153A GB 764690 A GB764690 A GB 764690A
Authority
GB
United Kingdom
Prior art keywords
formula
succinic acid
pyrrolidine
ethyl ester
ethyl
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
GB32491/53A
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.)
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
Publication of GB764690A publication Critical patent/GB764690A/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)
GB32491/53A 1952-11-21 1953-11-23 New sensitizing dyestuffs of the merocyanine series and their manufacture and use Expired GB764690A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB764690A true GB764690A (en) 1957-01-02

Family

ID=6672915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32491/53A Expired GB764690A (en) 1952-11-21 1953-11-23 New sensitizing dyestuffs of the merocyanine series and their manufacture and use

Country Status (3)

Country Link
BE (1) BE524483A (US06291589-20010918-C00001.png)
FR (1) FR1092644A (US06291589-20010918-C00001.png)
GB (1) GB764690A (US06291589-20010918-C00001.png)

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
BE524483A (US06291589-20010918-C00001.png)
FR1092644A (fr) 1955-04-25

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