Inventor · disambiguated record
Wilfried Seyfert
Also filed as: SEYFERT WILFRIED
7 granted patents·118 citations·filing 1987–2004
86Inventor score
Technology areasC07C
Top patents by PatentIndex Score
7 records- 0192US6433219B1Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate)BASF AG·Filed 1999·Granted Aug 13, 2002·56 cites·13 claims
- 0288US6831192B2Process for preparing methylenedianiline and methylenebis(phenyl isocyanate)BASF AG·Filed 2002·Granted Dec 14, 2004·20 cites·13 claims
- 0387US7230130B2Process for preparing methylenedianiline and methylenebis (phenylisocyanate)BASF AG·Filed 2004·Granted Jun 12, 2007·17 cites·2 claims
- 0466US4946029APurification of carboxylic esters which contain aldehydes, acetals and/or unsaturated compoundsBASF AG·Filed 1989·Granted Aug 7, 1990·9 cites·4 claims
- 0565US6229043B1Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number and a reduced chlorine contentBASF CORP·Filed 1996·Granted May 8, 2001·10 cites·19 claims
- 0644US4810798ARecovery of pyridine or methylpyridines or mixtures thereof from methyl butanedicarboxylate containing reaction mixturesBASF AG·Filed 1987·Granted Mar 7, 1989·3 cites·6 claims
- 0742US5159107AContinuous preparation of alkyl pentenoatesBASF AG·Filed 1991·Granted Oct 27, 1992·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →