FR2137993A1 - - Google Patents
Info
- Publication number
- FR2137993A1 FR2137993A1 FR7217567A FR7217567A FR2137993A1 FR 2137993 A1 FR2137993 A1 FR 2137993A1 FR 7217567 A FR7217567 A FR 7217567A FR 7217567 A FR7217567 A FR 7217567A FR 2137993 A1 FR2137993 A1 FR 2137993A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/11—Preparation of azo dyes from other azo compounds by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH723071A CH552663A (de) | 1971-05-17 | 1971-05-17 | Verfahren zur herstellung von azofarbstoffen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2137993A1 true FR2137993A1 (enExample) | 1972-12-29 |
Family
ID=4321899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7217567A Withdrawn FR2137993A1 (enExample) | 1971-05-17 | 1972-05-17 |
Country Status (6)
| Country | Link |
|---|---|
| BR (1) | BR7203085D0 (enExample) |
| CH (1) | CH552663A (enExample) |
| DE (1) | DE2223246C3 (enExample) |
| FR (1) | FR2137993A1 (enExample) |
| GB (1) | GB1389915A (enExample) |
| IT (1) | IT955549B (enExample) |
-
1971
- 1971-05-17 CH CH723071A patent/CH552663A/xx not_active IP Right Cessation
-
1972
- 1972-05-12 GB GB2226772A patent/GB1389915A/en not_active Expired
- 1972-05-12 DE DE19722223246 patent/DE2223246C3/de not_active Expired
- 1972-05-16 IT IT2439472A patent/IT955549B/it active
- 1972-05-16 BR BR308572A patent/BR7203085D0/pt unknown
- 1972-05-17 FR FR7217567A patent/FR2137993A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BR7203085D0 (pt) | 1973-06-12 |
| DE2223246C3 (de) | 1975-04-24 |
| DE2223246B2 (de) | 1974-08-22 |
| DE2223246A1 (de) | 1972-11-30 |
| CH552663A (de) | 1974-08-15 |
| IT955549B (it) | 1973-09-29 |
| GB1389915A (en) | 1975-04-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |