GB191001411A - Manufacture and Production of Dyestuffs of the Triphenyl-methane Series. - Google Patents

Manufacture and Production of Dyestuffs of the Triphenyl-methane Series.

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Publication number
GB191001411A
GB191001411A GB191001411DA GB191001411A GB 191001411 A GB191001411 A GB 191001411A GB 191001411D A GB191001411D A GB 191001411DA GB 191001411 A GB191001411 A GB 191001411A
Authority
GB
United Kingdom
Prior art keywords
oxidizing
condensing
acid
phenols
dichlorphenol
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
Inventor
Philip Arthur Newton
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191001411A publication Critical patent/GB191001411A/en
Expired legal-status Critical Current

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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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Luminescent Compositions (AREA)

Abstract

1411. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. Jan. 19. Triphenylmethane dyes.-Dyes of the triphenylmethane series are obtained by condensing methylene-disalicylic or -di-o-cresotinic acid with phenols containing an indifferent substituent orsubstituents, such as halogen, nitro, or alkyl gronps in o-position to the hydroxyl group, the p-position to the hydroxyl group being free, in presence of oxidizing- agents, or by condensing the bodies mentioned and then oxidizing, or by condensing the corresponding hydrols with the phenols and then oxidizing. The substituted phenols specified are:- 2 : 6-dichlorphenol, 2 : 6-dibromphenol, 2 : 6- nitromethylphenol, 2 : 6Àdibrom-3-methylphenol, and 2 : 5-dichlorphenol. Suitable oxidizing-agents are nitrosylsulphuric acid, concentrated or fuming sulphuric acid, nitric acid, or nitro compounds. The products dye chrome-mordanted wool. Specification 14,312/09 is referred to.
GB191001411D 1910-01-19 1910-01-19 Manufacture and Production of Dyestuffs of the Triphenyl-methane Series. Expired GB191001411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191001411T 1910-01-19

Publications (1)

Publication Number Publication Date
GB191001411A true GB191001411A (en) 1910-11-10

Family

ID=32559732

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191001411D Expired GB191001411A (en) 1910-01-19 1910-01-19 Manufacture and Production of Dyestuffs of the Triphenyl-methane Series.

Country Status (1)

Country Link
GB (1) GB191001411A (en)

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