Inventor

GRIEHSEL BERND

DE6 patents

⚠️ This page may combine multiple inventors who share the name “GRIEHSEL BERND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

4 patents

US5210328AMay 11, 1993

Process for the preparation of substituted cycloalkylidene bisphenols

BAYER AG14 citations72

US5650530AJul 22, 1997

Process for preparing 6-oxo-(6H)-dibenz-[c,e][1,2]-oxaphosphorins (ODOPs)

BAYER AG12 citations71

US6441182B1Aug 27, 2002

Method for the production of 2,6-dichloro-5-fluoro-nicotinic acid and coarse and particularly pure 2,6-dichloro-5-fluoro-nicotinic acid

BAYER AG2 citations60

US6197964B1Mar 6, 2001

Method for the production of 2,6-dichloro-5-fluoronicotinonitrile and the chemical compound 3-cyano-2-hydroxy-5-fluoropyride-6-one-monosodium salt its tautomers

BAYER AG1 citations50

LANXESS DEUTSCHLAND GMBH

1 patent

US7102012B2Sep 5, 2006

Process for preparing N,N'-carbonyldiazoles

LANXESS DEUTSCHLAND GMBH2 citations57

SALTIGO GMBH

1 patent

US7888515B2Feb 15, 2011

Method for the production of N,N-carbonyldiazoles

SALTIGO GMBH0 citations36