DE87176C - - Google Patents
Info
- Publication number
- DE87176C DE87176C DENDAT87176D DE87176DA DE87176C DE 87176 C DE87176 C DE 87176C DE NDAT87176 D DENDAT87176 D DE NDAT87176D DE 87176D A DE87176D A DE 87176DA DE 87176 C DE87176 C DE 87176C
- Authority
- DE
- Germany
- Prior art keywords
- dye
- tetramethyldiamidobenzhydrol
- condenses
- blue
- oxidation
- 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
- JDQDSEVNMTYMOC-UHFFFAOYSA-N 3-methylbenzenesulfonic acid Chemical compound CC1=CC=CC(S(O)(=O)=O)=C1 JDQDSEVNMTYMOC-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 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
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/10—Amino derivatives of triarylmethanes
- C09B11/12—Amino derivatives of triarylmethanes without any OH group bound to an aryl nucleus
- C09B11/16—Preparation from diarylketones or diarylcarbinols, e.g. benzhydrol
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:Verfahren zur Darstellung eines blaugrünen alkal-iechten Farbstoffs, darin bestehend, dafs man Tetramethyldiamidobenzhydrol mit m-Toluolsulfosäure condensirt und die erhaltene Leukosulfosäure durch Oxydation in den Farbstoff überführt.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE87176C true DE87176C (de) |
Family
ID=359167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT87176D Active DE87176C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE87176C (de) |
-
0
- DE DENDAT87176D patent/DE87176C/de active Active
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