CH461675A - Process for the production of brown leather dyes - Google Patents
Process for the production of brown leather dyesInfo
- Publication number
- CH461675A CH461675A CH727966A CH727966A CH461675A CH 461675 A CH461675 A CH 461675A CH 727966 A CH727966 A CH 727966A CH 727966 A CH727966 A CH 727966A CH 461675 A CH461675 A CH 461675A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- leather dyes
- brown leather
- brown
- dyes
- Prior art date
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
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/02—Disazo dyes
- C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0082389 | 1965-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH461675A true CH461675A (en) | 1968-08-31 |
Family
ID=6981484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH727966A CH461675A (en) | 1965-06-12 | 1966-05-18 | Process for the production of brown leather dyes |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH461675A (en) |
| DE (1) | DE1544376B1 (en) |
| GB (1) | GB1073839A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3932829C1 (en) * | 1989-09-30 | 1991-05-02 | Ciba-Geigy Ag, Basel, Ch | |
| ES2369371T3 (en) | 2004-12-29 | 2011-11-29 | Basf Se | DYES THAT ARE SOLUBLE IN ORGANIC SOLVENTS. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2136650A (en) * | 1933-06-17 | 1938-11-15 | Calco Chemical Co Inc | Metallized acid polyazo dyes |
| FR1384423A (en) * | 1964-02-26 | 1965-01-04 | Wolfen Filmfab Veb | Process for preparing brown dyes for leather |
-
1965
- 1965-06-12 DE DE19651544376 patent/DE1544376B1/en not_active Withdrawn - After Issue
-
1966
- 1966-05-18 CH CH727966A patent/CH461675A/en unknown
- 1966-06-10 GB GB2591266A patent/GB1073839A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1073839A (en) | 1967-06-28 |
| DE1544376B1 (en) | 1970-08-20 |
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