BE561642A - - Google Patents

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Publication number
BE561642A
BE561642A BE561642DA BE561642A BE 561642 A BE561642 A BE 561642A BE 561642D A BE561642D A BE 561642DA BE 561642 A BE561642 A BE 561642A
Authority
BE
Belgium
Prior art keywords
bis
formula
change
indicator
usable
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE561642A publication Critical patent/BE561642A/fr

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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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
BE561642D BE561642A (cs)

Publications (1)

Publication Number Publication Date
BE561642A true BE561642A (cs)

Family

ID=183524

Family Applications (1)

Application Number Title Priority Date Filing Date
BE561642D BE561642A (cs)

Country Status (1)

Country Link
BE (1) BE561642A (cs)

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