GB441624A - Manufacture and application of polymethine dyestuffs and intermediate products - Google Patents

Manufacture and application of polymethine dyestuffs and intermediate products

Info

Publication number
GB441624A
GB441624A GB21476/34A GB2147634A GB441624A GB 441624 A GB441624 A GB 441624A GB 21476/34 A GB21476/34 A GB 21476/34A GB 2147634 A GB2147634 A GB 2147634A GB 441624 A GB441624 A GB 441624A
Authority
GB
United Kingdom
Prior art keywords
dye
dyes
condensed
heptamethine
resulting
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
GB21476/34A
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
Publication of GB441624A publication Critical patent/GB441624A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/08Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines
    • C09B23/083Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines five >CH- groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/08Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines
    • C09B23/086Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines more than five >CH- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB21476/34A 1933-07-21 1934-07-23 Manufacture and application of polymethine dyestuffs and intermediate products Expired GB441624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE441624X 1933-07-21

Publications (1)

Publication Number Publication Date
GB441624A true GB441624A (en) 1936-01-23

Family

ID=6517616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21476/34A Expired GB441624A (en) 1933-07-21 1934-07-23 Manufacture and application of polymethine dyestuffs and intermediate products

Country Status (3)

Country Link
BE (1) BE404305A (enrdf_load_stackoverflow)
FR (1) FR777034A (enrdf_load_stackoverflow)
GB (1) GB441624A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425774A (en) * 1945-01-12 1947-08-19 Du Pont Polymeric dyestuff intermediates and process for obtaining the same
DE944027C (de) * 1952-08-05 1956-06-07 Bayer Ag Verfahren zur Herstellung von in der Methinkette substituierten Polymethin- oder Styrylfarbstoffen
US5397690A (en) * 1992-10-05 1995-03-14 E. I. Du Pont De Nemours And Company Near-infrared absorbing dyes prepared from stenhouse salts

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738240A1 (de) * 1987-11-11 1989-05-24 Bayer Ag Tetraindolyl-heptamethin-ether, -alkohole und farbstoffe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425774A (en) * 1945-01-12 1947-08-19 Du Pont Polymeric dyestuff intermediates and process for obtaining the same
DE944027C (de) * 1952-08-05 1956-06-07 Bayer Ag Verfahren zur Herstellung von in der Methinkette substituierten Polymethin- oder Styrylfarbstoffen
US5397690A (en) * 1992-10-05 1995-03-14 E. I. Du Pont De Nemours And Company Near-infrared absorbing dyes prepared from stenhouse salts

Also Published As

Publication number Publication date
BE404305A (enrdf_load_stackoverflow)
FR777034A (fr) 1935-02-09

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