Inventor · disambiguated record
Siegfried Planker
Also filed as: BAESSLER KONRAD · PLANKER SIEGFRIED
7 granted patents·51 citations·filing 1974–1996
81Inventor score
Files withHOECHST AG7
Top patents by PatentIndex Score
7 records- 0185US4217307AProcess for the preparation of 2,2'-dichloro-hydrazobenzeneHOECHST AG·Filed 1978·Granted Aug 12, 1980·18 cites·20 claims
- 0280US5616799AProcess for the preparation of glycoloylanilidesHOECHST AG·Filed 1995·Granted Apr 1, 1997·24 cites·47 claims
- 0349US5631403AProcess for the preparation of hydroxycarboxanilidesHOECHST AG·Filed 1995·Granted May 20, 1997·4 cites·21 claims
- 0444US5543550AProcess for the preparation of 5-fluoroanthranilic alkyl esters and/or 5-fluoroanthranilic acidHOECHST AG·Filed 1994·Granted Aug 6, 1996·3 cites·37 claims
- 0532US3931321AProcess for the preparation of O-aminothiophenolsHOECHST AG·Filed 1974·Granted Jan 6, 1976·1 cites·6 claims
- 0630US4952697AProcess for the preparation of 2-nitro-3-aminopyridine, and the intermediates which are formed in the reactionHOECHST AG·Filed 1988·Granted Aug 28, 1990·1 cites·8 claims
- 0729US5693852AProcess for the preparation of o-acyloxycarboxanilidesHOECHST AG·Filed 1996·Granted Dec 2, 1997·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →