Inventor · disambiguated record
Ulrich Fechtel
Also filed as: FECHTEL ULRICH
4 granted patents·31 citations·filing 1993–2000
72Inventor score
Top patents by PatentIndex Score
4 records- 0164US5744618AProcess for the preparation of ascorbic acidMERCK PATENT GMBH·Filed 1996·Granted Apr 28, 1998·14 cites·7 claims
- 0255US5473079AProcess for preparing 2-arylbenzimidazole-5-sulfonic acidsMERCK PATENT GMBH·Filed 1993·Granted Dec 5, 1995·13 cites·8 claims
- 0337US6573393B1Method for producing L-ascorbic acidMERCK KGAA·Filed 2000·Granted Jun 3, 2003·0 cites·21 claims
- 0435US5518588AMethod for preparing 3-aminopyridines from 3-nitropyridinesMERCK PATENT GMBH·Filed 1994·Granted May 21, 1996·4 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →