Inventor
VERMEHREN JAN
DE13 patents
⚠️ This page may combine multiple inventors who share the name “VERMEHREN JAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST SCHERING AGREVO GMBH
5 patentsUS5550237AAug 27, 1996
Process for the preparation of carboxyarenesulfonic acids and their carboxylic acid derivatives
HOECHST SCHERING AGREVO GMBH10 citations71
US7057043B2Jun 6, 2006
Processes for preparing aminophenylsulfonylureas, and intermediates therefor
HOECHST SCHERING AGREVO GMBH0 citations51
US6790955B2Sep 14, 2004
Processes for the preparation of aminophenylsulfonyl-ureas and intermediate products for the processes
HOECHST SCHERING AGREVO GMBH0 citations51
US6500952B1Dec 31, 2002
Processes for preparing aminophenylsulfonylureas, and intermediates therefor
HOECHST SCHERING AGREVO GMBH1 citations51
US5936085AAug 10, 1999
Process for the preparation of herbicidal sulfonylureas and of N-(pyrimidinyl or triazinyl)-carbamates as intermediate products
HOECHST SCHERING AGREVO GMBH0 citations41
BAYER CROPSCIENCE AG
3 patentsUS9725409B2Aug 8, 2017
Process for preparing 4[[(benzoyl)amino]sulphonyl]benzoyl chlorides and preparation of acylsulphamoylbenzamides
BAYER CROPSCIENCE AG2 citations68
US10899722B2Jan 26, 2021
Process for the preparation of fluoroalkylnitriles and the corresponding fluoroalkyltetrazoles
BAYER CROPSCIENCE AG0 citations53
US10421713B2Sep 24, 2019
Process for preparing 4[[(benzoyl)amino]sulphonyl]benzoyl chlorides and preparation of acylsulphamoylbenzamides
BAYER CROPSCIENCE AG0 citations47
HOECHST AG
3 patentsUS5164393ANov 17, 1992
Pyrimidine derivatives compositions containing them, and their use as fungicides
HOECHST AG4 citations62
US5258520ANov 2, 1993
Process for preparing substituted 2-cyanopyridines
HOECHST AG3 citations61
US5424480AJun 13, 1995
Substituted N-hydroxycinnamamides, processes for their preparation, compositions containing them, and their use
HOECHST AG4 citations60