Inventor
LUDESCHER JOHANNES
AT57 patents
⚠️ This page may combine multiple inventors who share the name “LUDESCHER JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BIOCHEMIE GMBH
28 patentsUS6531465B1Mar 11, 2003
Antibacterial cephalosporins
BIOCHEMIE GMBH34 citations92
US6350869B1Feb 26, 2002
Crystalline amine salt of cefdinir
BIOCHEMIE GMBH43 citations92
US6063917AMay 16, 2000
Cephalosporin synthesis
BIOCHEMIE GMBH22 citations92
US5869648AFeb 9, 1999
Process for the purification of a 3-cephem-4-carboxylic acid derivative
BIOCHEMIE GMBH17 citations91
US6552186B2Apr 22, 2003
β-lactam production
BIOCHEMIE GMBH20 citations89
US5856474AJan 5, 1999
Cephalosporin synthesis
BIOCHEMIE GMBH12 citations82
US6093813AJul 25, 2000
Cephalosporin compounds
BIOCHEMIE GMBH7 citations73
US6693095B2Feb 17, 2004
Antibacterial substituted 7-acylamino-3-(methylhydrazono) methyl-cephalosporins and intermediates
BIOCHEMIE GMBH7 citations72
US5998610ADec 7, 1999
Silylation process
BIOCHEMIE GMBH6 citations72
US6248881B1Jun 19, 2001
Intermediates and process for the production of 3-vinyl cephalosporins
BIOCHEMIE GMBH11 citations71
US5616703AApr 1, 1997
Separation of cephalosporin isomers
BIOCHEMIE GMBH12 citations71
US6313289B1Nov 6, 2001
Purification process
BIOCHEMIE GMBH9 citations70
US5861508AJan 19, 1999
Purification of a cephalosporin salt
BIOCHEMIE GMBH7 citations70
US5840885ANov 24, 1998
Processes for the production of 6-α-aminoacyl-penicillin and 7-.alpha.
BIOCHEMIE GMBH2 citations62
US5686604ANov 11, 1997
Cephalosporines
BIOCHEMIE GMBH1 citations62
US5639877AJun 17, 1997
Intermediates in the synthesis of cephalosporins
BIOCHEMIE GMBH3 citations62
US5608055AMar 4, 1997
Beta lactam production
BIOCHEMIE GMBH5 citations62
US6440957B1Aug 27, 2002
Cephalosporines having cyclic aminoguanidine substituents as antibiotics
BIOCHEMIE GMBH3 citations61
US6333409B1Dec 25, 2001
Process for the purification of a 3-cephem-4-carboxylic acid derivative
BIOCHEMIE GMBH2 citations61
US6136967AOct 24, 2000
Process for the purification of a 3-cephem-4-carboxylic acid derivative
BIOCHEMIE GMBH3 citations61
US6489470B1Dec 3, 2002
Process for the preparation of cefpodoxime proxetil diastereoisomers
BIOCHEMIE GMBH5 citations60
US6235897B1May 22, 2001
Separation of cephalosporin isomers
BIOCHEMIE GMBH3 citations60
US6103897AAug 15, 2000
Production of a crystalline salt of amoxicillin
BIOCHEMIE GMBH3 citations58
US6169180B1Jan 2, 2001
Process for the production of cephalosporines
BIOCHEMIE GMBH0 citations52
US6034237AMar 7, 2000
3-imino-cephalosporins
BIOCHEMIE GMBH0 citations52
US5644052AJul 1, 1997
Process for the production of cephalosporines and novel intermediates in this process
BIOCHEMIE GMBH0 citations52
US6284888B1Sep 4, 2001
Vinyl-ACA purification process
BIOCHEMIE GMBH1 citations51
US6414140B2Jul 2, 2002
Process for the production of 3-vinyl cephalosporins
BIOCHEMIE GMBH0 citations49
SANDOZ AG
13 patentsUS6825345B2Nov 30, 2004
Process for purification of a cephalosporin derivative
SANDOZ AG6 citations72
US6777549B2Aug 17, 2004
β-lactam production
SANDOZ AG8 citations71
US7847093B2Dec 7, 2010
Processes for the preparations of cefepime
SANDOZ AG2 citations62
US6949519B2Sep 27, 2005
Macrolide solvates
SANDOZ AG3 citations61
US7355041B2Apr 8, 2008
Intermediates in cefprozil production
SANDOZ AG4 citations60
US6949641B2Sep 27, 2005
Crystalline β-lactam intermediate
SANDOZ AG3 citations60
US7884205B2Feb 8, 2011
Salts of aripiprazole
SANDOZ AG0 citations52
US7825241B2Nov 2, 2010
Cefdinir intermediate
SANDOZ AG0 citations52
US7317101B2Jan 8, 2008
Antibacterial cephalosporins
SANDOZ AG0 citations52
US7253320B2Aug 7, 2007
Process for preparing polymorphic form II of sertraline hydrochloride
SANDOZ AG0 citations52
US7250508B2Jul 31, 2007
Cefdinir intermediate
SANDOZ AG1 citations52
US6787649B2Sep 7, 2004
Cephalosporin intermediates
SANDOZ AG0 citations52
US6835829B2Dec 28, 2004
Purification process
SANDOZ AG0 citations51
LUDESCHER JOHANNES
2 patentsKREMMINGER PETER
2 patentsBIOCHEMIE SA
1 patentSANDOZ LTD
1 patentRAY ANUP K
1 patentRAY ANUP KUMAR
1 patentWELZ CHRISTIAN
1 patentShowing the top 50 of 57 patents by PatentIndex Score.