Inventor
ZIRNGIEBL EBERHARD
DE29 patents
⚠️ This page may combine multiple inventors who share the name “ZIRNGIEBL EBERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
26 patentsUS6548445B1Apr 15, 2003
Supported catalysts containing a platinum metal and process for preparing diaryl carbonates
BAYER AG87 citations98
US6001768ADec 14, 1999
Supported catalysts containing a platinum metal and process for preparing diaryl carbonates
BAYER AG41 citations92
US5354923AOct 11, 1994
Process for the preparation of aromatic carbonic diesters
BAYER AG43 citations92
US3970528AJul 20, 1976
Process for the purification of electrolysis brine
BAYER AG58 citations91
US5410085AApr 25, 1995
Process for the preparation of chlorine-substituted aromatic amines and of catalysts
BAYER AG22 citations88
US4952624AAug 28, 1990
Polyarylene sulfide mixtures with reduced radical formation under highly accelerated weathering
BAYER AG10 citations74
US4082631AApr 4, 1978
Absorption of chlorine gas
BAYER AG9 citations74
US4078978AMar 14, 1978
Purification of electrolysis brine for diaphragm cells
BAYER AG19 citations74
US6420491B1Jul 16, 2002
Method for hydrogenating aromatic polymers in the presence of hydrocarbons which contain oxygen
BAYER AG7 citations73
US5912358AJun 15, 1999
Process for preparing 2-pyrrolidones
BAYER AG14 citations72
US6583327B2Jun 24, 2003
Continuous isothermal process for preparing mononitrotoluenes
BAYER AG9 citations71
US5173466ADec 22, 1992
Catalyst for the reduction of nitrogen oxides from waste gases and a process for its production
BAYER AG9 citations70
US6509510B1Jan 21, 2003
Method for hydrogenating aromatic polymers in the presence of special catalysts
BAYER AG6 citations62
US5886232AMar 23, 1999
Process for preparing substituted cyclohexanones
BAYER AG4 citations62
US5760247AJun 2, 1998
Process for the preparation of carbazole
BAYER AG5 citations62
US5663443ASep 2, 1997
Ruthenium catalysts, their preparation and a process for preparing cycloaliphatic polyamines using these catalysts
BAYER AG4 citations62
US5414104AMay 9, 1995
Process for preparing dialkyl carbonates
BAYER AG5 citations62
US5616730AApr 1, 1997
Process for preparing succinic anhydride
BAYER AG2 citations61
US6586645B2Jul 1, 2003
Continuous adiabatic process for preparing nitrochlorobenzene
BAYER AG6 citations60
US5593936AJan 14, 1997
Hydrated niobium oxide and hydrated tantalum oxide catalysts, their preparation and a process for preparing N-alkylated anilines using these catalysts
BAYER AG2 citations58
US4035771AJul 12, 1977
Process for the remote transmission and indication of electrical measured values in electrolysis cells
BAYER AG2 citations52
US5476959ADec 19, 1995
Process for the preparation of dialkyl carbonates
BAYER AG1 citations50
US5728896AMar 17, 1998
Process for the preparation of hydroxymethyl-cyclopropane
BAYER AG0 citations48
US6794549B2Sep 21, 2004
Continuous adiabatic process for nitrating chlorobenzene
BAYER AG0 citations39
US6353142B1Mar 5, 2002
Process for the adiabatic preparation of 3,4-dichloronitrobenzene
BAYER AG0 citations39
US5648500AJul 15, 1997
Process for the preparation of substituted 1,2,3,4-tetrahydrocarbazoles
BAYER AG0 citations37