Inventor · disambiguated record
Wilfried Pressler
Also filed as: PRESSLER WILFRIED · ROSCHER GUNTER
8 granted patents·24 citations·filing 1979–1999
81Inventor score
Top patents by PatentIndex Score
8 records- 0154US5463148AProcess for the preparation of chlorofluoronitrobenzenesHOECHST AG·Filed 1994·Granted Oct 31, 1995·5 cites·13 claims
- 0253US5149759AProcess for preparing aromatic polyamides of high hydrolysis resistance with controlled water content of diamineHOECHST AG·Filed 1991·Granted Sep 22, 1992·10 cites·11 claims
- 0352US5545768AProcess for the preparation of chlorofluronitrobenzenes and difluoronitrobenzenesHOECHST AG·Filed 1991·Granted Aug 13, 1996·6 cites·13 claims
- 0451US4226997A8-Chloro-5,6,7,8-tetrahydro-2-quinolone and 8-bromo-5,6,7,8-tetrahydro-2-quinolone, the hydrochloride or hydrobromide thereof and process for their manufactureHOECHST AG·Filed 1979·Granted Oct 7, 1980·2 cites·12 claims
- 0539US4219500AProcess for the manufacture of N,N'-diacetylethylene diamineHOECHST AG·Filed 1979·Granted Aug 26, 1980·1 cites·1 claims
- 0632US4277606A8-Oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparation thereofHOECHST AG·Filed 1980·Granted Jul 7, 1981·0 cites·6 claims
- 0730US6265607B1Process for the preparation of 4-(4'-chlorobiphenyl-4-yl)-4-keto-2-methylenebutyric acidCLARIANT GMBH·Filed 1999·Granted Jul 24, 2001·0 cites·15 claims
- 0830US5276203AProcess for the preparation of 1,2-bis-(2-nitrophenoxy)-ethaneHOECHST AG·Filed 1992·Granted Jan 4, 1994·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →