DE253509C - - Google Patents
Info
- Publication number
- DE253509C DE253509C DENDAT253509D DE253509DA DE253509C DE 253509 C DE253509 C DE 253509C DE NDAT253509 D DENDAT253509 D DE NDAT253509D DE 253509D A DE253509D A DE 253509DA DE 253509 C DE253509 C DE 253509C
- Authority
- DE
- Germany
- Prior art keywords
- dyes
- indigo
- representation
- organic
- finely divided
- 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
- 239000000975 dye Substances 0.000 claims 2
- 229940097275 Indigo Drugs 0.000 claims 1
- 240000007871 Indigofera tinctoria Species 0.000 claims 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000001590 oxidative Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 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
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0077—Preparations with possibly reduced vat, sulfur or indigo dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Coloring (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-AnSpruch :Verfahren zur Darstellung von Indigo und anderen indigoiden Farbstoffen in feinverteilter Form, dadurch gekennzeichnet, daß man die Leukoverbindungen dieser Farbstoffe in alkalischer Lösung mit organischen, oxydierend wirkenden Substanzen behandelt.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE253509C true DE253509C (de) |
Family
ID=511784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT253509D Active DE253509C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE253509C (de) |
-
0
- DE DENDAT253509D patent/DE253509C/de active Active
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