Inventor
KAULEN JOHANNES
DE24 patents
⚠️ This page may combine multiple inventors who share the name “KAULEN JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
10 patentsUS4855438AAug 8, 1989
Process for the preparation of optically active 2-hydroxyethylazole derivatives
BAYER AG11 citations74
US4720558AJan 19, 1988
Process for inverting the configuration of secondary alcohols
BAYER AG8 citations73
US6673955B2Jan 6, 2004
Preparation of triethyl phosphate
BAYER AG6 citations62
USRE36607EMar 7, 2000
Pyrrolidine compounds and process of preparing
BAYER AG0 citations51
US5910593AJun 8, 1999
Highly selective process for the preparation of enantiomerically pure phenylsubstituted 1,4-dihydropyridine-3,5-dicarboxylic acid derivatives
BAYER AG0 citations51
US5849924ADec 15, 1998
Highly selective process for the preparation of enantiomerically pure phenyl-substituted 1,4-dihydropyridine-3,5-dicarboxylic acid derivatives
BAYER AG0 citations51
US5700948ADec 23, 1997
Pyrrolidine compounds and process of preparing
BAYER AG0 citations51
US4988823AJan 29, 1991
Optically active oxiranes
BAYER AG1 citations51
US6818794B2Nov 16, 2004
Extraction of ketazine solutions
BAYER AG0 citations46
US7119220B2Oct 10, 2006
Process for preparing dimethyl propanephosphonate
BAYER AG0 citations45
LANXESS DEUTSCHLAND GMBH
7 patentsUS11723368B2Aug 15, 2023
Penflufen as a wood preservative against wood-destroying basidiomycetes
LANXESS DEUTSCHLAND GMBH1 citations61
US7943644B2May 17, 2011
Stabilization of iodine-containing biocides by means of special azole compounds
LANXESS DEUTSCHLAND GMBH2 citations61
US9596854B2Mar 21, 2017
Fungicidal penflufen mixtures
LANXESS DEUTSCHLAND GMBH1 citations51
US9145518B2Sep 29, 2015
Stabilization of pyrocarbonic acid diesters by finely divided solids
LANXESS DEUTSCHLAND GMBH0 citations51
US8002883B2Aug 23, 2011
Amidoalkylamine-comprising azole compositions for protecting industrial materials
LANXESS DEUTSCHLAND GMBH1 citations51
US7273945B2Sep 25, 2007
Preparation of phosphorus-containing alkoxylation products
LANXESS DEUTSCHLAND GMBH0 citations50
US8710258B2Apr 29, 2014
Stabilization of dicarbonate diesters with protonic acids
LANXESS DEUTSCHLAND GMBH0 citations49