DE84991C - - Google Patents
Info
- Publication number
- DE84991C DE84991C DENDAT84991D DE84991DA DE84991C DE 84991 C DE84991 C DE 84991C DE NDAT84991 D DENDAT84991 D DE NDAT84991D DE 84991D A DE84991D A DE 84991DA DE 84991 C DE84991 C DE 84991C
- Authority
- DE
- Germany
- Prior art keywords
- dyes
- acid
- dioxynaphthalene
- sulfonic acid
- preparation
- Prior art date
- 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.)
- Active
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
- C09B35/021—Disazo dyes characterised by two coupling components of the same type
- C09B35/023—Disazo dyes characterised by two coupling components of the same type in which the coupling component is a hydroxy or polyhydroxy compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE84991C true DE84991C (en:Method) |
Family
ID=357169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT84991D Active DE84991C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE84991C (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058516A (en) * | 1972-07-04 | 1977-11-15 | Sandoz Ltd. | Sulfo group-containing azo compounds having a tetrazo component radical derived from an optionally substituted 3,8-diaminodibenzofuran |
-
0
- DE DENDAT84991D patent/DE84991C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058516A (en) * | 1972-07-04 | 1977-11-15 | Sandoz Ltd. | Sulfo group-containing azo compounds having a tetrazo component radical derived from an optionally substituted 3,8-diaminodibenzofuran |
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