Assignee
HOECHSTAKTIENGESELLSCHAFT
DE·2 granted patents·21 citations·filing 1985–1997
Top patents by PatentIndex Score
2 records- 0171US4638053AProcess for the preparation of chlorozincate salts of benzo thiazolium azo dyestuffs by alkylating with dialkylsulfate in aqueous medium in the presence of Zn-containing acid acceptor at pH≦7HOECHSTAKTIENGESELLSCHAFT·Filed 1985·Granted Jan 20, 1987·11 cites·8 claims
- 0245US5777156ACarrier catalyst, process for the production therefor for the preparation of vinyl acetateHOECHSTAKTIENGESELLSCHAFT·Filed 1997·Granted Jul 7, 1998·10 cites·9 claims
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