CH326965A - Verfahren zur Herstellung von Polyazofarbstoffen - Google Patents
Verfahren zur Herstellung von PolyazofarbstoffenInfo
- Publication number
- CH326965A CH326965A CH326965DA CH326965A CH 326965 A CH326965 A CH 326965A CH 326965D A CH326965D A CH 326965DA CH 326965 A CH326965 A CH 326965A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- polyazo dyes
- polyazo
- dyes
- Prior art date
Links
- 239000000975 dye Substances 0.000 title 1
- -1 polyazo Polymers 0.000 title 1
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
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/18—Trisazo or higher polyazo dyes
- C09B33/26—Tetrazo dyes of the type A->B->C->K<-D
-
- 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
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/24—Disazo or polyazo compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH776711X | 1954-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH326965A true CH326965A (de) | 1958-01-15 |
Family
ID=4535874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH326965D CH326965A (de) | 1954-07-16 | 1954-07-16 | Verfahren zur Herstellung von Polyazofarbstoffen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2858302A (de) |
| CH (1) | CH326965A (de) |
| DE (1) | DE1006555B (de) |
| FR (1) | FR1134125A (de) |
| GB (1) | GB776711A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5659020A (en) * | 1994-09-16 | 1997-08-19 | Sumitomo Chemical Company, Limited | Tetrakisazo compound and a polarizing film containing the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE749073C (de) * | 1938-12-16 | 1945-01-19 | Verfahren zur Herstellung eines Tetrakisazofarbstoffs | |
| CH236584A (de) * | 1946-08-02 | 1945-02-28 | Ag J R Geigy | Verfahren zur Darstellung eines kupferbaren Polyazofarbstoffes. |
| US2459913A (en) * | 1944-04-04 | 1949-01-25 | Geigy Ag J R | Metallizable tetrakisazo dye |
| NL61665C (de) * | 1944-04-04 |
-
1954
- 1954-07-16 CH CH326965D patent/CH326965A/de unknown
-
1955
- 1955-07-11 GB GB20036/55A patent/GB776711A/en not_active Expired
- 1955-07-12 DE DES44712A patent/DE1006555B/de active Pending
- 1955-07-15 US US522376A patent/US2858302A/en not_active Expired - Lifetime
- 1955-07-15 FR FR1134125D patent/FR1134125A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1006555B (de) | 1957-04-18 |
| GB776711A (en) | 1957-06-12 |
| US2858302A (en) | 1958-10-28 |
| FR1134125A (fr) | 1957-04-08 |
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