Inventor
PLATZEK JOHANNES
DE127 patents
⚠️ This page may combine multiple inventors who share the name “PLATZEK JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHERING AG
40 patentsUS6114321ASep 5, 2000
Porphyrin derivatives, pharmaceutical agents that contain the latter, and their use in photodynamic therapy and MRI diagnosis
SCHERING AG57 citations96
US5876698AMar 2, 1999
Macrocyclic polymer complexing agents, their complexes, process for their production and pharmaceutical agents containing these compounds
SCHERING AG65 citations96
US5820849AOct 13, 1998
Cascade polymer complexes, process for their production and pharamceutical agents containing said complexes
SCHERING AG73 citations96
US5650136AJul 22, 1997
Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them
SCHERING AG39 citations96
US5364614ANov 15, 1994
Cascade polymer bound chelating compounds, their chelates and conjugates, processes for their production, and pharmaceutical agents containing them
SCHERING AG60 citations96
US5277895AJan 11, 1994
Mono-n-substituted 1,4,7,10-tetraazacyclododecane derivatives, process for their production and pharmaceutical agents containing these derivatives
SCHERING AG48 citations96
US6039931AMar 21, 2000
Derivatized DTPA complexes, pharmaceutical agents containing these compounds, their use, and processes for their production
SCHERING AG70 citations95
US6194566B1Feb 27, 2001
Process for the production of metalloporphyrin-metal complex conjugates
SCHERING AG32 citations93
US6136841AOct 24, 2000
3-, 8-substituted deuteroporphyrin derivatives, pharmaceutical agents that contain the latter, process for their production and their use in photodynamic therapy and MRI diagnosis
SCHERING AG25 citations93
US6083479AJul 4, 2000
Contrast media for infarction and necrosis imaging
SCHERING AG20 citations93
US6068831AMay 30, 2000
Pseudopolyrotaxanes
SCHERING AG25 citations93
US5410043AApr 25, 1995
Process for the production of mono-N-substituted tetraaza macrocycles
SCHERING AG25 citations93
US6248306B1Jun 19, 2001
Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes
SCHERING AG23 citations92
US6193950B1Feb 27, 2001
Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them
SCHERING AG16 citations92
US6045776AApr 4, 2000
Process for the production of metal-complex carboxylic acid amides
SCHERING AG20 citations92
US6019959AFeb 1, 2000
Oligomeric compounds that contain perfluoroalkyl, process for their production, and their use in NMR diagnosis
SCHERING AG21 citations92
US5798092AAug 25, 1998
Derivatized DTPA complexes pharmaceutical agents containing these compounds, their use, and processes for their production
SCHERING AG37 citations92
US5679852AOct 21, 1997
Process for the production of DTPA-monoamides of the central carboxylic acid and their use as pharmaceutical agents
SCHERING AG24 citations92
US5676923AOct 14, 1997
Substituted DTPA monoamides of the central carboxylic acid group and their metal complexes
SCHERING AG24 citations92
US5403572AApr 4, 1995
Macrocyclic polyaza compounds containing 5 or 6 membered rings, process for producing them and pharmaceutical media containing them
SCHERING AG30 citations92
US5334371AAug 2, 1994
Marcocyclic polyaza bicyclo compounds containing 5 or 6 membered rings, and method for MRI
SCHERING AG40 citations92
US5871709AFeb 16, 1999
Macrocyclic compounds as complexing compounds or agents, complexes of metal ions therewith and use thereof as contrast media for diagnostics and therapeutics
SCHERING AG24 citations91
US5695739ADec 9, 1997
Derivatized DTPA complexes, pharmaceutical agents containing these compounds, their use, and processes for their production
SCHERING AG44 citations91
US5386028AJan 31, 1995
Process for the production of N-β-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane and N-β-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecane derivatives and their metal complexes
SCHERING AG33 citations91
US5676926AOct 14, 1997
Process for the production of DTPA-tetraesters of terminal carboxylic acids
SCHERING AG19 citations90
US6818203B2Nov 16, 2004
Use of perfluoroalkyl-containing metal complexes as contrast media in MR-imaging for visualization of plaque, tumors and necroses
SCHERING AG14 citations84
US6461587B1Oct 8, 2002
Perfluoroalkylamides, their production and their use in diagnosis
SCHERING AG16 citations84
US6447749B1Sep 10, 2002
Perfluoro-alkyl containing dye molecules and galencial formulations
SCHERING AG17 citations84
US6251367B1Jun 26, 2001
Paramagnetic 3-,8-substituted deuteroporphyrin derivatives, pharmaceutical agents that contain the latter, process for their production, and their use for MR imaging of necrosis and infarction
SCHERING AG16 citations84
US5690909ANov 25, 1997
Fluorine-containing macrocyclic metal complexes
SCHERING AG19 citations84
US6933385B2Aug 23, 2005
Protected 3,5-dihydroxy-2,2-dimethyl-valeroamides for the synthesis of epothilones and derivatives and process for the production and the use
SCHERING AG16 citations83
US6576222B2Jun 10, 2003
Cascade polymer bound complexing compounds, their complexes and conjugates, process for their production and pharmaceutical agents containing them
SCHERING AG9 citations82
US5911971AJun 15, 1999
Cascade polymer bound complexing compounds for MRI
SCHERING AG13 citations82
US6183724B1Feb 6, 2001
Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them
SCHERING AG8 citations80
US5514810AMay 7, 1996
Process for the production of DTPA-tetraesters of terminal carboxylic acids
SCHERING AG18 citations80
US6709693B1Mar 23, 2004
Stents with a radioactive surface coating, processes for their production and their use for restenosis prophylaxis
SCHERING AG16 citations79
US7208139B2Apr 24, 2007
Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them
SCHERING AG2 citations74
US6855309B2Feb 15, 2005
Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them
SCHERING AG6 citations74
US6299859B1Oct 9, 2001
Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them
SCHERING AG7 citations74
US6113880ASep 5, 2000
Polyrotaxane derivatives for x-ray and nuclear magnetic resonance imaging
SCHERING AG14 citations74
Bayer Pharma AG
5 patentsUS10759758B2Sep 1, 2020
Polymorphic form of N-{6-(hydroxypropan-2-yl)-2-[2-(methylsulphonyl)ethyl]-2H-indazol-5-yl}-6-(trifluoromethyl)pyridine-2-carboxamide
Bayer Pharma AG17 citations91
US10399977B2Sep 3, 2019
Process for preparing (4S)- 4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide and purification thereof for use as a pharmaceutical active ingredient
Bayer Pharma AG7 citations83
US10501417B2Dec 10, 2019
Synthesis of indazoles
Bayer Pharma AG5 citations81
US10501437B2Dec 10, 2019
Crystalline forms of N-[2-(3-Hydroxy-3-methylbutyl)-6-(2-hydroxypropan-2-yl)-2H-indazol-5-yl]-6-(trifluoromethyl)pyridine-2-carboxamide
Bayer Pharma AG6 citations81
US12478696B2Nov 25, 2025
Gadolinium chelate compounds for use in magnetic resonance imaging
Bayer Pharma AG1 citations74
SCHERING AKTIENGELLSELLSCHAFT
1 patentDIAGNOSTIKFORSCHUNG INST
1 patentPLATZEK JOHANNES
1 patentBAYER AG
1 patent(unassigned)
1 patentShowing the top 50 of 127 patents by PatentIndex Score.