CH574475A5 - - Google Patents
Info
- Publication number
- CH574475A5 CH574475A5 CH240673A CH240673A CH574475A5 CH 574475 A5 CH574475 A5 CH 574475A5 CH 240673 A CH240673 A CH 240673A CH 240673 A CH240673 A CH 240673A CH 574475 A5 CH574475 A5 CH 574475A5
- Authority
- CH
- Switzerland
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
- C09B41/00—Special methods of performing the coupling reaction
-
- 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
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/08—Preparation of azo dyes from other azo compounds by reduction
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722208156 DE2208156C3 (en) | 1972-02-22 | Process for the preparation of aniline- (4-azo-4) -naphthylamine-1 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH574475A5 true CH574475A5 (en) | 1976-04-15 |
Family
ID=5836647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH240673A CH574475A5 (en) | 1972-02-22 | 1973-02-20 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH574475A5 (en) |
| FR (1) | FR2173084B3 (en) |
| GB (1) | GB1411874A (en) |
| IT (1) | IT977291B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111116383B (en) * | 2018-10-31 | 2023-04-11 | 天津环渤新材料有限公司 | Synthesis method of 2, 5-dimethyl p-phenylenediamine |
-
1973
- 1973-02-12 IT IT4817973A patent/IT977291B/en active
- 1973-02-20 CH CH240673A patent/CH574475A5/xx not_active IP Right Cessation
- 1973-02-21 GB GB847873A patent/GB1411874A/en not_active Expired
- 1973-02-21 FR FR7306037A patent/FR2173084B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2173084B3 (en) | 1976-02-20 |
| DE2208156B2 (en) | 1976-10-28 |
| GB1411874A (en) | 1975-10-29 |
| FR2173084A1 (en) | 1973-10-05 |
| DE2208156A1 (en) | 1973-08-30 |
| IT977291B (en) | 1974-09-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |