DE240513C - - Google Patents
Info
- Publication number
- DE240513C DE240513C DENDAT240513D DE240513DA DE240513C DE 240513 C DE240513 C DE 240513C DE NDAT240513 D DENDAT240513 D DE NDAT240513D DE 240513D A DE240513D A DE 240513DA DE 240513 C DE240513 C DE 240513C
- Authority
- DE
- Germany
- Prior art keywords
- hydrosulfites
- formaldehyde
- etching
- patents
- colors
- 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
- 238000005530 etching Methods 0.000 claims 2
- XTGCLWKDGNDDCH-UHFFFAOYSA-N O=C.OS(=O)S(O)=O Chemical class O=C.OS(=O)S(O)=O XTGCLWKDGNDDCH-UHFFFAOYSA-N 0.000 claims 1
- 239000003518 caustics Substances 0.000 claims 1
- 239000003086 colorant Substances 0.000 claims 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical class [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 claims 1
- QJQZEJFUIOWFMS-UHFFFAOYSA-N formaldehyde;sulfanediol Chemical class O=C.OSO QJQZEJFUIOWFMS-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000006011 modification reaction Methods 0.000 claims 1
- 239000003638 reducing agent Substances 0.000 claims 1
- 239000000984 vat dye Substances 0.000 claims 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/15—Locally discharging the dyes
- D06P5/155—Locally discharging the dyes with reductants
Description
*) Frühere Zusatzpatente: 235S79 und 235880.
Claims (1)
- Patent-Anspruch:Abänderung des Verfahrens der Patente 231543, 235879 und 235880 zur Erzeugung von weißen oder bunten Ätzeffekten auf Küpenfarbstoffen mittels Formaldehydsulfoxylate bzw. Formaldehydhydrosulfite oder Hydrosulfite, dadurch gekennzeichnet, daß Ätzfarben verwendet werden, die an Stelle der vorerwähnten Ätzmittel andere Reduktionsmittel enthalten.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE240513C true DE240513C (de) |
Family
ID=499873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT240513D Active DE240513C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE240513C (de) |
-
0
- DE DENDAT240513D patent/DE240513C/de active Active
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