Inventor
LANGER REINHARD
DE42 patents
⚠️ This page may combine multiple inventors who share the name “LANGER REINHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
34 patentsUS5877350AMar 2, 1999
Process for the production of aromatic amines
BAYER AG208 citations98
US5359118AOct 25, 1994
Process for the continuous preparation of dialkyl carbonates
BAYER AG104 citations96
US5344954ASep 6, 1994
Process for the preparation of diaryl carbonates
BAYER AG76 citations96
US5334742AAug 2, 1994
Process for the continuous preparation of diaryl carbonates from dialkyl carbonates
BAYER AG61 citations96
US5231212AJul 27, 1993
Process for the continuous preparation of dialkyl carbonates
BAYER AG93 citations96
US5484576AJan 16, 1996
Fixed bed reactors having a short catalyst bed in the direction of flow
BAYER AG36 citations93
US5962365AOct 5, 1999
Process for the manufacture of aromatic amines by gas-phase hydrogenation and catalyst useful thereof
BAYER AG17 citations92
US5808157ASep 15, 1998
Process for producing aromatic amines
BAYER AG26 citations92
US5679858AOct 21, 1997
Process for the manufacture of aromatic amines by gas-phase hydrogenation and catalyst useful thereof
BAYER AG18 citations92
US6043394AMar 28, 2000
Process for producing aromatic amines by gaseous phase hydrogenation
BAYER AG29 citations91
US6043395AMar 28, 2000
Process for preparing variable mixtures of cyclohexyl-amine and dicyclohexylamine
BAYER AG17 citations84
US6156919ADec 5, 2000
Process for the preparation of aliphatic oligocarbonate diols from dimethyl carbonate and aliphatic diols
BAYER AG13 citations74
US5196592AMar 23, 1993
Process for the preparation of diphenylamines
BAYER AG9 citations74
US6242649B1Jun 5, 2001
Continuous method for producing aromatic amines
BAYER AG8 citations73
US6054619AApr 25, 2000
Process for preparing cycloaliphatic amines
BAYER AG7 citations73
US5583251ADec 10, 1996
Process for the production of isocyanates and for the production of light-colored foams therefrom
BAYER AG6 citations73
US5786521AJul 28, 1998
Process for preparing hydroxymethylcyclopropane
BAYER AG16 citations72
US6111140AAug 29, 2000
Ru--Pd halogen-free catalyzers and method for producing cycloaliphatic amines
BAYER AG4 citations63
US5856516AJan 5, 1999
Process for the preparation of carbazole
BAYER AG6 citations63
US5449806ASep 12, 1995
Process for the preparation of dialkyl carbonates
BAYER AG6 citations63
US5258554ANov 2, 1993
Process for monobenzylation of p-substituted phenols
BAYER AG4 citations63
US6429344B1Aug 6, 2002
Process for the preparation of d,I-menthol
BAYER AG3 citations62
US6080890AJun 27, 2000
Production of aromatic amines by means of novel hydrogenation catalysts
BAYER AG3 citations62
US6077975AJun 20, 2000
Process for preparing dicycloaliphatic amines
BAYER AG5 citations62
US7074941B2Jul 11, 2006
Process for preparing 2-alkyl-3-aryl- and -heteroaryloxaziridines and novel 2-alkyl-3-aryloxaziridines
BAYER AG1 citations59
US6933406B1Aug 23, 2005
Method for producing 2-halo-6-nitrobenzoic acids
BAYER AG0 citations52
US6710217B1Mar 23, 2004
Method for producing 4-chlorobiphenyl and 4-chlorobiphenyl-specific specifications
BAYER AG0 citations52
US5298659AMar 29, 1994
Method for the preparation of azomethines
BAYER AG1 citations52
US5292953AMar 8, 1994
Process for the preparation of azomethines
BAYER AG1 citations52
US7094923B2Aug 22, 2006
Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitro benzyl alcohols, esters and/or ethers
BAYER AG0 citations51
US6900349B2May 31, 2005
Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitrol benzyl alcohols, esters and/or ethers
BAYER AG0 citations51
US6753444B2Jun 22, 2004
Method for producing 2,3,5,6-tetrahalogen-xylyidene compounds
BAYER AG0 citations51
US6740761B2May 25, 2004
Process for preparing 2-alkyl-3aryl-and-heteroaryloxaziridines and novel 2-alkyl-3-aryloxaziridines
BAYER AG0 citations48
US5728896AMar 17, 1998
Process for the preparation of hydroxymethyl-cyclopropane
BAYER AG0 citations48
LANGER REINHARD
3 patentsUS8530676B2Sep 10, 2013
Process for producing vinylene carbonate
LANGER REINHARD2 citations56
US8203006B2Jun 19, 2012
Process for producing vinylene carbonate
LANGER REINHARD0 citations46
US8071792B2Dec 6, 2011
High-purity vinylene carbonate and a method of purifying vinylene carbonate
LANGER REINHARD0 citations46