P

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 patents
US5877350AMar 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 patents

LANXESS DEUTSCHLAND GMBH

2 patents

(unassigned)

1 patent

WOLFF WALSRODE AG

1 patent

SALTIGO GMBH

1 patent