CH640875A5 - Process for preparing pyridone dyes - Google Patents

Process for preparing pyridone dyes Download PDF

Info

Publication number
CH640875A5
CH640875A5 CH1251778A CH1251778A CH640875A5 CH 640875 A5 CH640875 A5 CH 640875A5 CH 1251778 A CH1251778 A CH 1251778A CH 1251778 A CH1251778 A CH 1251778A CH 640875 A5 CH640875 A5 CH 640875A5
Authority
CH
Switzerland
Prior art keywords
alkyl
carbon atoms
hydrogen
formula
optionally substituted
Prior art date
Application number
CH1251778A
Other languages
German (de)
English (en)
Inventor
Stephen Roderick Postle
Original Assignee
Ciba Geigy 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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of CH640875A5 publication Critical patent/CH640875A5/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B55/00Azomethine dyes
    • C09B55/009Azomethine dyes, the C-atom of the group -C=N- being part of a ring (Image)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Cosmetics (AREA)
CH1251778A 1978-05-25 1978-12-07 Process for preparing pyridone dyes CH640875A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22730/78A GB1599627A (en) 1978-05-25 1978-05-25 Bleachable dyes

Publications (1)

Publication Number Publication Date
CH640875A5 true CH640875A5 (en) 1984-01-31

Family

ID=10184189

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1251778A CH640875A5 (en) 1978-05-25 1978-12-07 Process for preparing pyridone dyes

Country Status (7)

Country Link
JP (1) JPS54153830A (it)
BE (1) BE872201R (it)
CH (1) CH640875A5 (it)
DE (1) DE2853354A1 (it)
FR (1) FR2426717A2 (it)
GB (1) GB1599627A (it)
IT (1) IT1158155B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929698A1 (de) * 1989-09-07 1991-03-14 Basf Ag Triazolopyridinfarbstoffe sowie ein verfahren zum thermischen transfer von methinfarbstoffen
US5162290A (en) * 1990-04-27 1992-11-10 Dai Nippon Insatsu Kabushiki Kaisha Heat transfer sheet
ES2101090T3 (es) * 1991-05-03 1997-07-01 Basf Ag Colorantes de n-aminopiridona.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1292454A (en) * 1969-09-23 1972-10-11 Ici Ltd Dyestuffs
ES398433A1 (es) * 1970-12-30 1975-06-16 Oreal Un procedimiento de preparacion de una composicion tintoreapara fibras queratinidas.
LU68988A1 (it) * 1973-12-12 1975-08-20

Also Published As

Publication number Publication date
IT7852174A0 (it) 1978-12-04
IT1158155B (it) 1987-02-18
FR2426717A2 (fr) 1979-12-21
FR2426717B2 (it) 1982-04-02
DE2853354A1 (de) 1979-11-29
BE872201R (fr) 1979-05-22
JPS54153830A (en) 1979-12-04
GB1599627A (en) 1981-10-07

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PL Patent ceased