Invention Grant
US3362950A Monoazo dyes containing a 1-di-lower-alkyl-aminosulfonyl-5-pyrazolone group
失效
含有1-二低级烷基 - 氨基磺酰基-5-吡唑啉酮基团的单偶氮染料
- Patent Title: Monoazo dyes containing a 1-di-lower-alkyl-aminosulfonyl-5-pyrazolone group
- Patent Title (中): 含有1-二低级烷基 - 氨基磺酰基-5-吡唑啉酮基团的单偶氮染料
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Application No.: US38891864Application Date: 1964-08-11
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Publication No.: US3362950APublication Date: 1968-01-09
- Inventor: OTTO SENN
- Applicant: SANDOZ LTD
- Assignee: Sandoz Ltd
- Current Assignee: Sandoz Ltd
- Priority: CH1005263 1963-08-14
- Main IPC: C07D231/46
- IPC: C07D231/46
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