BE509028A - - Google Patents
Info
- Publication number
- BE509028A BE509028A BE509028DA BE509028A BE 509028 A BE509028 A BE 509028A BE 509028D A BE509028D A BE 509028DA BE 509028 A BE509028 A BE 509028A
- Authority
- BE
- Belgium
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
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/02—Disazo dyes
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2670346X | 1951-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509028A true BE509028A (en:Method) |
Family
ID=4570960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509028D BE509028A (en:Method) | 1951-02-07 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2670346A (en:Method) |
| BE (1) | BE509028A (en:Method) |
| CH (5) | CH291814A (en:Method) |
| DE (1) | DE906965C (en:Method) |
| NL (1) | NL79659C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE951948C (de) * | 1954-07-04 | 1956-11-08 | Bayer Ag | Verfahren zur Herstellung von Disazofarbstoffen |
| EP0514330B1 (de) * | 1991-05-15 | 1996-07-17 | Ciba-Geigy Ag | Azofarbstoffe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2158843A (en) * | 1936-02-21 | 1939-05-16 | Gen Aniline Works Inc | Azo dyestuffs |
| US2384419A (en) * | 1940-06-24 | 1945-09-04 | Gen Aniline & Film Corp | Azo dyestuffs |
| CH261856A (de) * | 1947-05-02 | 1949-05-31 | Ag J R Geigy | Verfahren zur Herstellung eines kupferbaren Disazofarbstoffes. |
-
0
- BE BE509028D patent/BE509028A/xx unknown
- NL NL79659D patent/NL79659C/xx active
-
1951
- 1951-02-07 CH CH291814D patent/CH291814A/de unknown
- 1951-02-07 CH CH294254D patent/CH294254A/de unknown
- 1951-02-07 CH CH294255D patent/CH294255A/de unknown
- 1951-02-07 CH CH294257D patent/CH294257A/de unknown
- 1951-02-07 CH CH294256D patent/CH294256A/de unknown
-
1952
- 1952-01-21 US US267502A patent/US2670346A/en not_active Expired - Lifetime
- 1952-01-29 DE DEG8043A patent/DE906965C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2670346A (en) | 1954-02-23 |
| CH291814A (de) | 1953-07-15 |
| CH294256A (de) | 1953-10-31 |
| CH294257A (de) | 1953-10-31 |
| CH294255A (de) | 1953-10-31 |
| DE906965C (de) | 1954-04-08 |
| CH294254A (de) | 1953-10-31 |
| NL79659C (en:Method) |