Inventor · disambiguated record
Steffen Dapperheld
Also filed as: DAPPERHELD STEFFEN
11 granted patents·126 citations·filing 1987–1993
90Inventor score
Files withHOECHST AG11
Top patents by PatentIndex Score
11 records- 0175US5474658AElectrochemical process for preparing glyoxylic acidHOECHST AG·Filed 1993·Granted Dec 12, 1995·28 cites·21 claims
- 0274US5362367APartial electrolytic dehalogenation of dichloroacetic and trichloroacetic acid and electrolysis solutionHOECHST AG·Filed 1993·Granted Nov 8, 1994·28 cites·12 claims
- 0372US5374737AProcess for the preparation of 2-aminobenzothiazolesHOECHST AG·Filed 1993·Granted Dec 20, 1994·14 cites·19 claims
- 0466US4800012AElectrochemical process for the replacement of halogen atoms in an organic compoundHOECHST AG·Filed 1988·Granted Jan 24, 1989·15 cites·9 claims
- 0563US5026460AProcess for the preparation of unsaturated halogenated hydrocabonsHOECHST AG·Filed 1989·Granted Jun 25, 1991·13 cites·17 claims
- 0662US4707226AProcess for the dehalogenation of chloroacetic and bromoacetic acidHOECHST AG·Filed 1987·Granted Nov 17, 1987·12 cites·6 claims
- 0750US4950367AProcess for the preparation of fluoromalonic acid and its derivativesHOECHST AG·Filed 1989·Granted Aug 21, 1990·7 cites·23 claims
- 0835US5114546AProcess for the preparation of fluorinated acrylic acids and derivatives thereofHOECHST AG·Filed 1991·Granted May 19, 1992·4 cites·10 claims
- 0934US4908107AProcess for preparing fluorinated vinyl ethersHOECHST AG·Filed 1988·Granted Mar 13, 1990·2 cites·19 claims
- 1027US5100520AProcess for the preparation of thiophene derivativesHOECHST AG·Filed 1990·Granted Mar 31, 1992·1 cites·9 claims
- 1125US5192411AElectrode for electrochemical reactorsHOECHST AG·Filed 1991·Granted Mar 9, 1993·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →