Invention Grant
- Patent Title: Aminodiaryl-indolylmethane dyestuffs
- Patent Title (中): 氨基二芳基 - 吲哚基甲烷染料
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Application No.: US24185572Application Date: 1972-04-06
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Publication No.: US3886152APublication Date: 1975-05-27
- Inventor: KUHLTHAU HANS PETER , RAUE RODERICH
- Applicant: BAYER AG
- Assignee: Bayer Ag
- Current Assignee: Bayer Ag
- Priority: US24185572 1972-04-06; US78863369 1969-01-02
- Main IPC: C07D209/14
- IPC: C07D209/14 ; C09B11/26
Abstract:
Compounds free of SO3H and COOH group with the formula
pharmaceuticWHERE A and A1 are aryl and at least one is of the naphthalene series R1, R2 and R4 are H, alkyl, aralkyl, cycloalkyl or aryl but R2 is not aryl R3 is H, alkyl, aryl, carboxylic acid ester, N-substituted or unsubstituted carboxamide, or alkoxy and X is an anion, ARE USED FOR DYEING AND PRINTING LEATHER, TANNIN-TREATED COTTON, ETC. OR FOR PREPARING INKS.
pharmaceuticWHERE A and A1 are aryl and at least one is of the naphthalene series R1, R2 and R4 are H, alkyl, aralkyl, cycloalkyl or aryl but R2 is not aryl R3 is H, alkyl, aryl, carboxylic acid ester, N-substituted or unsubstituted carboxamide, or alkoxy and X is an anion, ARE USED FOR DYEING AND PRINTING LEATHER, TANNIN-TREATED COTTON, ETC. OR FOR PREPARING INKS.
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