BR7608255A - Processo para a obtencao de corantes de triarilmetano - Google Patents

Processo para a obtencao de corantes de triarilmetano

Info

Publication number
BR7608255A
BR7608255A BR7608255A BR7608255A BR7608255A BR 7608255 A BR7608255 A BR 7608255A BR 7608255 A BR7608255 A BR 7608255A BR 7608255 A BR7608255 A BR 7608255A BR 7608255 A BR7608255 A BR 7608255A
Authority
BR
Brazil
Prior art keywords
triarylmetan
dyes
obtaining
triarylmetan dyes
obtaining triarylmetan
Prior art date
Application number
BR7608255A
Other languages
English (en)
Inventor
K Hermann
H Dorsch
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of BR7608255A publication Critical patent/BR7608255A/pt

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
    • 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
    • C09B11/10—Amino derivatives of triarylmethanes
    • C09B11/12—Amino derivatives of triarylmethanes without any OH group bound to an aryl nucleus
    • C09B11/18—Preparation by oxidation
    • 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
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0096—Purification; Precipitation; Filtration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Indole Compounds (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
BR7608255A 1975-12-11 1976-12-09 Processo para a obtencao de corantes de triarilmetano BR7608255A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752555747 DE2555747A1 (de) 1975-12-11 1975-12-11 Verfahren zur gewinnung von triarylmethanfarbstoffen

Publications (1)

Publication Number Publication Date
BR7608255A true BR7608255A (pt) 1977-11-29

Family

ID=5964087

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7608255A BR7608255A (pt) 1975-12-11 1976-12-09 Processo para a obtencao de corantes de triarilmetano

Country Status (8)

Country Link
US (1) US4247470A (pt)
JP (1) JPS5271525A (pt)
BR (1) BR7608255A (pt)
CH (1) CH620699A5 (pt)
DE (1) DE2555747A1 (pt)
ES (1) ES454070A1 (pt)
FR (1) FR2334720A1 (pt)
GB (1) GB1512919A (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2723774A1 (de) * 1977-05-26 1978-11-30 Bayer Ag Verfahren zur gewinnung von triarylmethanfarbstoffen
US4590006A (en) * 1981-11-10 1986-05-20 James River Graphics, Inc. Organic photoconductors having improved pre-exposure fatigue resistance and blooming properties
US4448446A (en) * 1981-12-09 1984-05-15 The Sherwin-Williams Company Process for the purification of triphenylmethane compounds and pressure sensitive copysheet containing same
US4678613A (en) * 1981-12-09 1987-07-07 Pmc Specialties Group, Inc. Process for the purification of triphenylmethane compounds
DE3309726C1 (de) * 1983-03-18 1984-09-20 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung saurer,elektrolytarmer Farbstoffe der Triphenylmethan-Reihe
US4944806A (en) * 1987-12-28 1990-07-31 Basf Corporation Rigmentary salt of a triphenylmethane compound and process for making same
DE4224302A1 (de) * 1992-07-23 1994-01-27 Basf Ag Verfahren zur Reinigung hydrophober Feststoffe
EP1102818B1 (de) * 1998-08-08 2002-10-02 Basf Aktiengesellschaft Verfahren zur abtrennung von carbonsäuren aus wässrigen lösungen kationischer di- und triarylmethanfarbstoffe
BR112020008476B1 (pt) * 2017-11-01 2023-11-21 Milliken & Company Composto leuco

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422445A (en) * 1945-12-15 1947-06-17 Du Pont Process of recovering triaryl-methane dyestuffs
US2429081A (en) * 1946-10-03 1947-10-14 American Dyewood Company Method of treating triphenyl rosaniline spirit blue
NL277914A (pt) * 1961-05-03
US3671553A (en) * 1969-04-18 1972-06-20 Hoechst Ag Process for the preparation of very pure monosulfonic acids of triphenyl-methane dyestuffs
US3686233A (en) * 1970-01-20 1972-08-22 American Cyanamid Co Recovery and purification of methyl violet dyes
US3679713A (en) * 1970-01-20 1972-07-25 American Cyanamid Co Recovery and purification of basic triarylmethane dyes

Also Published As

Publication number Publication date
CH620699A5 (pt) 1980-12-15
FR2334720A1 (fr) 1977-07-08
GB1512919A (en) 1978-06-01
DE2555747A1 (de) 1977-06-16
ES454070A1 (es) 1977-11-16
JPS5271525A (en) 1977-06-15
US4247470A (en) 1981-01-27

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