Inventor · disambiguated record
Edwin Ritzer
Also filed as: RITZER EDWIN
10 granted patents·2 pending applications·58 citations·filing 1987–2012
87Inventor score
Top patents by PatentIndex Score
12 records- 0184US5032687AProcess for the preparation of cyclopropylamineKERNFORSCHUNGSANLAGE JUELICH·Filed 1989·Granted Jul 16, 1991·19 cites·6 claims
- 0277US8440719B2Preservatives based on carboxylic anhydridesKAULEN JOHANNES·Filed 2012·Granted May 14, 2013·1 cites·1 claims
- 0367US5756824AProcess for the preparation of carbazatesBAYER AG·Filed 1996·Granted May 26, 1998·10 cites·10 claims
- 0467US5081288AProcess for the preparation of substituted 3,5-dichloro-2,4-difluoro-benzenesBAYER AG·Filed 1990·Granted Jan 14, 1992·10 cites·10 claims
- 0564US8207224B2Preservatives based on carboxylic anhydridesKAULEN JOHANNES·Filed 2007·Granted Jun 26, 2012·0 cites·1 claims
- 0661US2010021599A1PreservativeLANXESS DEUTSCHLAND GMBH·Filed 2007·Application pending·0 cites
- 0756US6160160AProcess for preparing benzyl carbazatesBAYER AG·Filed 1999·Granted Dec 12, 2000·7 cites·10 claims
- 0855US9102613B2Method for producing sorbic anhydride and also use thereof as a preservative in foodsKRAHWINKEL RALF·Filed 2011·Granted Aug 11, 2015·0 cites·14 claims
- 0954US5068428AProcess for the preparation of cyclopropanecarboxamideBAYER AG·Filed 1990·Granted Nov 26, 1991·5 cites·6 claims
- 1050US2013129732A1Method for preserving foodLAESSKER REBECCA·Filed 2010·Application pending·0 cites
- 1149US4868347AProcess for obtaining substituted fluorobenzenesBAYER AG·Filed 1987·Granted Sep 19, 1989·3 cites·16 claims
- 1246US6350893B1Method for the production of dibenzyl carbonatesBAYER AG·Filed 1999·Granted Feb 26, 2002·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →