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

• Espacenet
• Global Dossier
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• 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
• 239000003638 chemical reducing agent Substances 0.000 claims 1
• 239000003086 colorant Substances 0.000 claims 1
• GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 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
• 238000012986 modification Methods 0.000 claims 1
• 239000000984 vat dye Substances 0.000 claims 1