GB295032A - Manufacture of strongly basic azo-dyestuffs - Google Patents

Manufacture of strongly basic azo-dyestuffs

Info

Publication number
GB295032A
GB295032A GB22297/28A GB2229728A GB295032A GB 295032 A GB295032 A GB 295032A GB 22297/28 A GB22297/28 A GB 22297/28A GB 2229728 A GB2229728 A GB 2229728A GB 295032 A GB295032 A GB 295032A
Authority
GB
United Kingdom
Prior art keywords
pyridoacetyl
naphthol
dyeings
tannin
coupled
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
GB22297/28A
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.)
Novartis AG
Original Assignee
JR 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 JR Geigy AG filed Critical JR Geigy AG
Publication of GB295032A publication Critical patent/GB295032A/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
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/02—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
GB22297/28A 1927-08-06 1928-08-01 Manufacture of strongly basic azo-dyestuffs Expired GB295032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE295032X 1927-08-06

Publications (1)

Publication Number Publication Date
GB295032A true GB295032A (en) 1930-01-01

Family

ID=6088461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22297/28A Expired GB295032A (en) 1927-08-06 1928-08-01 Manufacture of strongly basic azo-dyestuffs

Country Status (5)

Country Link
US (1) US1887995A (US06650917-20031118-M00005.png)
BE (1) BE295032A (US06650917-20031118-M00005.png)
FR (1) FR659734A (US06650917-20031118-M00005.png)
GB (1) GB295032A (US06650917-20031118-M00005.png)
NL (1) NL24468C (US06650917-20031118-M00005.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1078081B (de) * 1958-02-25 1960-03-24 Thera Chemie Chemisch Therapeu Mittel zum Faerben von Haaren oder Pelzen
NL122204C (US06650917-20031118-M00005.png) * 1959-08-08
DE1280448B (de) * 1962-10-03 1968-10-17 Hoechst Ag Verfahren zur Herstellung von Azofarbstoffen
US5212312A (en) * 1980-12-23 1993-05-18 Ciba-Geigy Ag Vattable and non-vattable quinoid dyes

Also Published As

Publication number Publication date
BE295032A (US06650917-20031118-M00005.png)
US1887995A (en) 1932-11-15
NL24468C (US06650917-20031118-M00005.png)
FR659734A (fr) 1929-07-02

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