FR2023708A1 - - Google Patents
Info
- Publication number
- FR2023708A1 FR2023708A1 FR6939750A FR6939750A FR2023708A1 FR 2023708 A1 FR2023708 A1 FR 2023708A1 FR 6939750 A FR6939750 A FR 6939750A FR 6939750 A FR6939750 A FR 6939750A FR 2023708 A1 FR2023708 A1 FR 2023708A1
- 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.)
- Granted
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
- C09B43/40—Preparation of azo dyes from other azo compounds by substituting hetero atoms by radicals containing other hetero atoms
- C09B43/405—Preparation of azo dyes from other azo compounds by substituting hetero atoms by radicals containing other hetero atoms by substituting radicals containing hetero atoms for -SO2R radicals and R being hydrocarbon
-
- 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
- C09B43/02—Preparation of azo dyes from other azo compounds by sulfonation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681809921 DE1809921C3 (en) | 1968-11-20 | 1968-11-20 | Process for the preparation of water-insoluble azo dyes containing sulfonyl groups |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2023708A1 true FR2023708A1 (en) | 1970-08-21 |
FR2023708B1 FR2023708B1 (en) | 1974-09-06 |
Family
ID=5713826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6939750A Expired FR2023708B1 (en) | 1968-11-20 | 1969-11-19 |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH525935A (en) |
DE (1) | DE1809921C3 (en) |
FR (1) | FR2023708B1 (en) |
GB (1) | GB1255367A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR63689E (en) * | 1953-01-17 | 1955-09-30 | Sandoz Sa | Mono-azo dyes and their preparation |
US2891942A (en) * | 1955-07-13 | 1959-06-23 | Saul & Co | Water-insoluble monoazo dyestuffs |
CH349951A (en) * | 1959-03-05 | 1960-11-15 | Sandoz Ag | Durable dye preparation |
FR1497263A (en) * | 1965-10-23 | 1967-10-06 | Cassella Farbwerke Mainkur Ag | Water-insoluble mono-azo dyes and their preparation |
-
1968
- 1968-11-20 DE DE19681809921 patent/DE1809921C3/en not_active Expired
-
1969
- 1969-11-19 GB GB5657669A patent/GB1255367A/en not_active Expired
- 1969-11-19 FR FR6939750A patent/FR2023708B1/fr not_active Expired
- 1969-11-20 CH CH1732469A patent/CH525935A/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR63689E (en) * | 1953-01-17 | 1955-09-30 | Sandoz Sa | Mono-azo dyes and their preparation |
US2891942A (en) * | 1955-07-13 | 1959-06-23 | Saul & Co | Water-insoluble monoazo dyestuffs |
CH349951A (en) * | 1959-03-05 | 1960-11-15 | Sandoz Ag | Durable dye preparation |
FR1497263A (en) * | 1965-10-23 | 1967-10-06 | Cassella Farbwerke Mainkur Ag | Water-insoluble mono-azo dyes and their preparation |
Also Published As
Publication number | Publication date |
---|---|
DE1809921C3 (en) | 1978-06-01 |
CH525935A (en) | 1972-07-31 |
DE1809921A1 (en) | 1970-06-04 |
GB1255367A (en) | 1971-12-01 |
DE1809921B2 (en) | 1977-09-22 |
FR2023708B1 (en) | 1974-09-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CN | Change in juridical nature | ||
ST | Notification of lapse |