JPS5271525A - Method for isolating triarylmethane dyes - Google Patents

Method for isolating triarylmethane dyes

Info

Publication number
JPS5271525A
JPS5271525A JP51147232A JP14723276A JPS5271525A JP S5271525 A JPS5271525 A JP S5271525A JP 51147232 A JP51147232 A JP 51147232A JP 14723276 A JP14723276 A JP 14723276A JP S5271525 A JPS5271525 A JP S5271525A
Authority
JP
Japan
Prior art keywords
isolating
triarylmethane dyes
triarylmethane
dyes
isolating triarylmethane
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.)
Pending
Application number
JP51147232A
Other languages
English (en)
Inventor
Haintsu Heruman Kaaru
Rotaaru Dorushiyu Hansu
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.)
Bayer AG
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 JPS5271525A publication Critical patent/JPS5271525A/ja
Priority to US05/844,199 priority Critical patent/US4099349A/en
Pending 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
    • 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)
  • Investigating Or Analysing Biological Materials (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Coloring (AREA)
JP51147232A 1975-12-11 1976-12-09 Method for isolating triarylmethane dyes Pending JPS5271525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/844,199 US4099349A (en) 1976-11-04 1977-10-21 Cam grinding machine with swing table support device

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
JPS5271525A true JPS5271525A (en) 1977-06-15

Family

ID=5964087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51147232A Pending JPS5271525A (en) 1975-12-11 1976-12-09 Method for isolating triarylmethane dyes

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021501254A (ja) * 2017-11-01 2021-01-14 ミリケン・アンド・カンパニーＭｉｌｌｉｋｅｎ ＆ Ｃｏｍｐａｎｙ ロイコ化合物、着色剤化合物、およびそれらを含有する組成物

Families Citing this family (8)

* 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
US4678613A (en) * 1981-12-09 1987-07-07 Pmc Specialties Group, Inc. Process for the purification of triphenylmethane compounds
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
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

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
NL120357C (ja) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021501254A (ja) * 2017-11-01 2021-01-14 ミリケン・アンド・カンパニーＭｉｌｌｉｋｅｎ ＆ Ｃｏｍｐａｎｙ ロイコ化合物、着色剤化合物、およびそれらを含有する組成物

Also Published As

Publication number Publication date
GB1512919A (en) 1978-06-01
DE2555747A1 (de) 1977-06-16
US4247470A (en) 1981-01-27
FR2334720A1 (fr) 1977-07-08
ES454070A1 (es) 1977-11-16
BR7608255A (pt) 1977-11-29
CH620699A5 (ja) 1980-12-15

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