GB1455284A - Process for the preparation of disazo pigments - Google Patents

Process for the preparation of disazo pigments

Info

Publication number
GB1455284A
GB1455284A GB5330973A GB5330973A GB1455284A GB 1455284 A GB1455284 A GB 1455284A GB 5330973 A GB5330973 A GB 5330973A GB 5330973 A GB5330973 A GB 5330973A GB 1455284 A GB1455284 A GB 1455284A
Authority
GB
United Kingdom
Prior art keywords
coupling
oyl
bis
nitrosyl
amino
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
GB5330973A
Other languages
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Publication of GB1455284A publication Critical patent/GB1455284A/en
Expired 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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/147—Disazo dyes in which the coupling component is a bis -(-o-hydroxy-carboxylic- acid amide)
    • 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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • C09B41/002—Special methods of performing the coupling reaction characterised by the coupling medium containing a solvent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paints Or Removers (AREA)
GB5330973A 1972-11-16 1973-11-16 Process for the preparation of disazo pigments Expired GB1455284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722256171 DE2256171C3 (de) 1972-11-16 1972-11-16 Verfahren zur Herstellung von Disazopigmenten

Publications (1)

Publication Number Publication Date
GB1455284A true GB1455284A (en) 1976-11-10

Family

ID=5861894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5330973A Expired GB1455284A (en) 1972-11-16 1973-11-16 Process for the preparation of disazo pigments

Country Status (12)

Country Link
JP (1) JPS5817771B2 (de)
AR (1) AR196574A1 (de)
AU (1) AU6250773A (de)
BE (1) BE807415A (de)
BR (1) BR7308940D0 (de)
CA (1) CA1010024A (de)
CH (1) CH583282A5 (de)
DE (1) DE2256171C3 (de)
FR (1) FR2207168B1 (de)
GB (1) GB1455284A (de)
IT (1) IT1001762B (de)
NL (1) NL7315383A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999024394A2 (en) * 1997-11-06 1999-05-20 University Of Pittsburgh Compounds for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516031A1 (de) * 1975-04-12 1976-10-28 Bayer Ag Verfahren zur herstellung von azofarbstoffen
DE2516032C2 (de) * 1975-04-12 1984-10-04 Bayer Ag, 5090 Leverkusen Verfahren zum Diazotieren aromatischer Amine
JPS5922746B2 (ja) * 1975-11-18 1984-05-29 タオカカガクコウギヨウ カブシキガイシヤ キンゾクサクエンセンリヨウノセイホウ
JPS5922747B2 (ja) * 1975-11-19 1984-05-29 タオカカガクコウギヨウ カブシキガイシヤ キンゾクサクエンセンリヨウノ セイゾウホウ
JPS54155227A (en) * 1978-05-30 1979-12-07 Ricoh Co Ltd Preparation of dis-or trisazo pigment
JPS61141770U (de) * 1985-02-25 1986-09-02
JPS63152668A (ja) * 1987-11-20 1988-06-25 Ricoh Co Ltd トリスアゾ顔料の製造方法
JP7077908B2 (ja) * 2018-07-12 2022-05-31 東洋インキＳｃホールディングス株式会社 カラーフィルタ用着色組成物及びカラーフィルタ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1172849A (fr) * 1956-03-07 1959-02-16 Ciba Geigy Procédé de préparation de pigments azoïques

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6417178B1 (en) 1994-07-19 2002-07-09 University Of Pittsburgh Amyloid binding nitrogen-linked compounds for the antemortem diagnosis of alzheimer's disease, in vivo imaging and prevention of amyloid deposits
WO1999024394A2 (en) * 1997-11-06 1999-05-20 University Of Pittsburgh Compounds for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition
WO1999024394A3 (en) * 1997-11-06 1999-08-19 Univ Pittsburgh Compounds for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition

Also Published As

Publication number Publication date
DE2256171A1 (de) 1974-06-12
JPS4981439A (de) 1974-08-06
DE2256171C3 (de) 1979-07-26
AR196574A1 (es) 1974-02-06
JPS5817771B2 (ja) 1983-04-09
FR2207168A1 (de) 1974-06-14
AU6250773A (en) 1975-05-15
FR2207168B1 (de) 1977-08-12
NL7315383A (de) 1974-05-20
BR7308940D0 (pt) 1974-08-22
CA1010024A (en) 1977-05-10
BE807415A (fr) 1974-05-16
DE2256171B2 (de) 1978-11-23
CH583282A5 (de) 1976-12-31
IT1001762B (it) 1976-04-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee