DE275897C - - Google Patents

Info

Publication number
DE275897C
DE275897C DENDAT275897D DE275897DA DE275897C DE 275897 C DE275897 C DE 275897C DE NDAT275897 D DENDAT275897 D DE NDAT275897D DE 275897D A DE275897D A DE 275897DA DE 275897 C DE275897 C DE 275897C
Authority
DE
Germany
Prior art keywords
dioxynaphthalene
phthaleins
preparation
phthalic anhydride
condensing agent
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.)
Active
Application number
DENDAT275897D
Other languages
German (de)
English (en)
Publication of DE275897C publication Critical patent/DE275897C/de
Active 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
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/06—Hydroxy derivatives of triarylmethanes in which at least one OH group is bound to an aryl nucleus and their ethers or esters
    • C09B11/08—Phthaleins; Phenolphthaleins; Fluorescein

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Indole Compounds (AREA)
DENDAT275897D Active DE275897C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE275897C true DE275897C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=532147

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT275897D Active DE275897C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE275897C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1232295B (de) * 1959-05-06 1967-01-12 Heinz Baumann Verfahren zum Herstellen von Farbstoffen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1232295B (de) * 1959-05-06 1967-01-12 Heinz Baumann Verfahren zum Herstellen von Farbstoffen

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