Inventor · disambiguated record
Jan Vermehren
Also filed as: VERMEHREN JAN
13 granted patents·2 pending applications·25 citations·filing 1991–2018
87Inventor score
Files withHOECHST SCHERING AGREVO GMBH5BAYER CROPSCIENCE AG3HOECHST AG3AVENTIS CROPSCIENCE GMBH2BAYER CROPSCIENCE AKTIENGSELLSCHAFT1
Top patents by PatentIndex Score
15 records- 0175US9725409B2Process for preparing 4[[(benzoyl)amino]sulphonyl]benzoyl chlorides and preparation of acylsulphamoylbenzamidesBAYER CROPSCIENCE AG·Filed 2014·Granted Aug 8, 2017·2 cites·16 claims
- 0265US5550237AProcess for the preparation of carboxyarenesulfonic acids and their carboxylic acid derivativesHOECHST SCHERING AGREVO GMBH·Filed 1995·Granted Aug 27, 1996·10 cites·10 claims
- 0364US6500952B1Processes for preparing aminophenylsulfonylureas, and intermediates thereforHOECHST SCHERING AGREVO GMBH·Filed 2000·Granted Dec 31, 2002·1 cites·7 claims
- 0456US10421713B2Process for preparing 4[[(benzoyl)amino]sulphonyl]benzoyl chlorides and preparation of acylsulphamoylbenzamidesBAYER CROPSCIENCE AG·Filed 2017·Granted Sep 24, 2019·0 cites·14 claims
- 0555US6790955B2Processes for the preparation of aminophenylsulfonyl-ureas and intermediate products for the processesHOECHST SCHERING AGREVO GMBH·Filed 2002·Granted Sep 14, 2004·0 cites·3 claims
- 0654US7057043B2Processes for preparing aminophenylsulfonylureas, and intermediates thereforHOECHST SCHERING AGREVO GMBH·Filed 2004·Granted Jun 6, 2006·0 cites·4 claims
- 0754US7026477B1Process for preparing substituted phenylsulfonylureas from sulfonyl halidesAVENTIS CROPSCIENCE GMBH·Filed 2000·Granted Apr 11, 2006·1 cites·20 claims
- 0851US5164393APyrimidine derivatives compositions containing them, and their use as fungicidesHOECHST AG·Filed 1991·Granted Nov 17, 1992·4 cites·4 claims
- 0948US5258520AProcess for preparing substituted 2-cyanopyridinesHOECHST AG·Filed 1993·Granted Nov 2, 1993·3 cites·10 claims
- 1047US5424480ASubstituted N-hydroxycinnamamides, processes for their preparation, compositions containing them, and their useHOECHST AG·Filed 1993·Granted Jun 13, 1995·4 cites·6 claims
- 1143US10899722B2Process for the preparation of fluoroalkylnitriles and the corresponding fluoroalkyltetrazolesBAYER CROPSCIENCE AG·Filed 2018·Granted Jan 26, 2021·0 cites·10 claims
- 1238US7781611B2Nitro-sulfobenzamidesAVENTIS CROPSCIENCE GMBH·Filed 2000·Granted Aug 24, 2010·0 cites·14 claims
- 1338US2006004198A1Method for producing substituted phenylsulfonyl ureaVERMEHREN JAN·Filed 2003·Application pending·0 cites
- 1431US2019225590A1Method for preparing fluoroalkylnitriles and the corresponding fluoroalkyltetrazolesBAYER CROPSCIENCE AKTIENGSELLSCHAFT·Filed 2017·Application pending·0 cites
- 1529US5936085AProcess for the preparation of herbicidal sulfonylureas and of N-(pyrimidinyl or triazinyl)-carbamates as intermediate productsHOECHST SCHERING AGREVO GMBH·Filed 1996·Granted Aug 10, 1999·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →