Inventor

Johannes Platzek

Inventor

Berlin, DE

Overview

1994–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 113 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes25%

C07DHeterocyclic compounds23%

C07CAcyclic or carbocyclic compounds12%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%

Y10TTechnical subjects covered by former us classification5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C07KPeptides4%

C07BGeneral methods of organic chemistry3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

10,793,532Method for producing the crystalline form of modification a of calcobutrol2020 10,759,758Polymorphic form of N-{6-(hydroxypropan-2-yl)-2-[2-(methylsulphonyl)ethyl]-2H-indazol-5-yl}-6-(trifluoromethyl)pyridine-2-carboxamide2020 10,722,601Gadolinium chelate compounds for use in magnetic resonance imaging2020 10,633,365Synthesis of indazoles2020 10,501,437Crystalline forms of N-[2-(3-Hydroxy-3-methylbutyl)-6-(2-hydroxypropan-2-yl)-2H-indazol-5-yl]-6-(trifluoromethyl)pyridine-2-carboxamide2019 10,501,417Synthesis of indazoles2019 10,435,417Preparation of high-purity gadobutrol2019 10,399,977Process 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 ingredient2019 10,392,384Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1-6-naphthyridine-3-carboxamide and recovery of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1-6-naphthyridine-3-carboxamide by electrochemical methods2019 10,336,749Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1-6-naphthyridine-3-carboxamide and the purification thereof for use as an active pharmaceutical ingredient2019 10,137,209Gadolinium chelate compounds for use in magnetic resonance imaging2018 10,072,027Preparation of high-purity gadobutrol2018 10,059,707Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro- 1-6-naphthyridine-3-carbox-amide and the purification thereof for use as an active pharmaceutical ingredient2018 9,447,053'Process for the preparation of calcobutrol'2016 8,314,248'Process for preparing epothilone derivatives by selective catalytic epoxidation'2012 8,263,040'Metal chelates having a perfluorinated PEG radical, processes for their preparation, and their use'2012 7,935,827'Optically active, heteroaromatic Î²-hydroxy esters and processes for their preparation from Î²-keto esters and processes for the preparation of these Î²-keto esters'2011 7,659,364'N-methyl-homocysteines and their use as well as process for their production'2010 7,626,035'Optically active, heteroaromatic Î²-hydroxy esters and processes for their preparation from Î²-keto esters and processes for the preparation of these Î²-keto esters'2009 7,618,957'Perfluoroalkyl-containing complexes, process for their production as well as their use'2009 7,595,418'Protected 5,7-dihydroxy-4,4-dimethyl-3-oxoheptanoic acid esters and 5,7-dihydroxy-2-alkyl-4,4-dimethyl-3-oxoheptanoci acid esters for the synthesizing of epothilone and epothilone derivatives and process for the production of these esters'2009 7,385,054'Trimeric, macrocyclically substituted halo-benzene derivatives'2008 7,368,568'Protected 3,5-dihydroxy-2,2-dimethyl-valeroamides for the synthesis of epothilones and derivatives and process for production and the use'2008 7,358,382'Protected 3,5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and epothilone derivatives and process for the production'2008 7,355,067'Process for the production of triiodotrimesic acid'2008 7,344,704'Use of perfluoroalkyl-containing metal complexes as contrast media in MR-imaging for visualization of intravascular thrombi'2008 7,326,798'Chiral heptyne derivatives for the preparation of epothilones and processes for their preparation'2008 7,321,044'Synthesis of oxygen-substituted benzocycloheptenes as valuable intermediate products for the production of tissue-selective estrogens'2008 7,226,578'Metal complexes that contain perfluoroalkyl, process for their production and their use in NMR diagnosis'2007 7,211,241'Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes'2007 7,208,139'Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them'2007 7,208,140'Trimeric macrocyclic substituted benzene derivatives'2007 7,199,268'Process for the production of dendritic trimesic acid triamides'2007 7,189,879'Process for the production of 1-hydroxymethyl-1,3,5-triazapentane, trihydrochloride'2007 7,166,740'Process for the production of triiodotrimesic acid'2007 7,164,016'Macrocyclic metal complexes and their use for the production of conjugates with biomolecules'2007 7,083,516'Process for the production of triiodotrimesic acid'2006 7,034,165'Protected 3,-5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and epothilone derivatives and process for the production'2006 6,951,639'1,4,7,10-tetraazacyclododecane butyltriols, processes for their production and pharmaceutical agents containing them'2005 6,933,385'Protected 3,5-dihydroxy-2,2-dimethyl-valeroamides for the synthesis of epothilones and derivatives and process for the production and the use'2005 6,916,461'Metal complexes that contain perfluoroalkyl, process for their production and their use in NMR diagnosis'2005 6,908,989'Process for the production of perbenzylated 1-O-glycosides'2005 6,894,151'Lithium complexes of N-(1-hydroxymethyl-2,3-dihydroxypropyl)-1,4,7-triscarboxymethyl-1,4,7,10-tetraazacyclododecane, their production and use'2005 6,861,043'Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes'2005 6,855,309'Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them'2005 6,831,164'Process for the production of peracylated 1-0-glycosides'2004 6,818,203'Use of perfluoroalkyl-containing metal complexes as contrast media in MR-imaging for visualization of plaque, tumors and necroses'2004 6,709,693'Stents with a radioactive surface coating, processes for their production and their use for restenosis prophylaxis'2004 6,677,483'Process for the production of monoamides of DTPA'2004 6,676,928'Perfluoroalkyl-containing complexes with polar radicals, process for their production and their use'2004 6,641,797'Perfluoroalkyl-containing complexes with sugar radicals, process for their production and their use'2003 6,576,222'Cascade polymer bound complexing compounds, their complexes and conjugates, process for their production and pharmaceutical agents containing them'2003 6,559,330'CALCIUM COMPLEX OF (4R)-4-BISCARBOXY-.KAPPA.O)METHYLAMINO-.KAPPA.N-6,9-BIS(CARBOXY.KAPPA.O)METHYL-1-(4,4-DIPHENYLCYCLOHEXYL)OXY-1-HYDROXY-2-OXA-6,9-DIAZA-1-PHOSPHAUNDECAN-11-YLIC-ACID-.KAPPA.N6,.KAPPA.N9,.KAPPA.0111-OXIDATO(6-)-, HEXAHYDROGEN, ITS SALTS, PHARMACEUTICAL AGENTS THAT CONTAIN THESE COMPLEXES, THEIR USE IN TREATMENT AND AS ADDITIVES IN DIAGNOSIS, AS WELL AS PROCESSES FOR THE PRODUCTION OF THE COMPLEXES AND AGENTS'2003 6,545,135'Process for the production of perbenzylated 1-O-glycosides'2003 6,495,118'Lipophilic metal complexes for necrosis and infarction imaging'2002 6,468,502'Metal complexes that contain perfluoroalkly, process for their production and their use in NMR diagnosis'2002 6,461,587'Perfluoroalkylamides, their production and their use in diagnosis'2002 6,447,749'Perfluoro-alkyl containing dye molecules and galencial formulations'2002 6,426,059'Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes'2002 6,399,043'1,4,7,10-Tetraazacyclododecane butyltriols, processes for their production and pharmaceutical agents containing them'2002 6,299,859'Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them'2001 6,251,367'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'2001 6,248,306'Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes'2001 6,193,950'Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them'2001 6,194,566'Process for the production of metalloporphyrin-metal complex conjugates'2001 6,183,724'Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them'2001 6,180,113'Pharmaceutical agents that contain perfluoroalkyl-containing metal complexes'2001 6,177,060'Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes'2001 6,166,200'Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes'2000 6,156,890'Process for the production of cyclene'2000 6,136,841'3-, 8-substituted deuteroporphyrin derivatives, pharmaceutical agents that contain the latter, process for their production and their use in photodynamic therapy and MRI diagnosis'2000 6,113,880'Polyrotaxane derivatives for x-ray and nuclear magnetic resonance imaging'2000 6,114,321'Porphyrin derivatives, pharmaceutical agents that contain the latter, and their use in photodynamic therapy and MRI diagnosis'2000 6,083,479'Contrast media for infarction and necrosis imaging'2000 6,080,785'Monofunctionalised EDTA, DTPA and TTHA derivatives and their use in medical diagnosis and therapy'2000 6,068,831'Pseudopolyrotaxanes'2000 6,063,361'Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes'2000 6,057,419'Cascade polymer complexes, process for producing the same and pharmaceuticals containing the same'2000 6,054,117'Cascade polymer bound complexing compounds, their complexes and conjugates, process for their production, and pharmaceutical agents containing them'2000 6,045,776'Process for the production of metal-complex carboxylic acid amides'2000 6,039,931'Derivatized DTPA complexes, pharmaceutical agents containing these compounds, their use, and processes for their production'2000 6,019,959'Oligomeric compounds that contain perfluoroalkyl, process for their production, and their use in NMR diagnosis'2000 5,980,864'1,4,7,10-tetraazacyclododecane butyltriols, processes for their production and pharmaceutical agents containing them'1999 5,919,431'1,4,7,10-tetraazacyclododecane derivatives, their use, pharmaceutical agents containing these compounds and process for their production'1999 5,919,433'Macrocyclic metal complex carboxylic acids, their use as well as process for their production'1999 5,911,971'Cascade polymer bound complexing compounds for MRI'1999 5,876,698'Macrocyclic polymer complexing agents, their complexes, process for their production and pharmaceutical agents containing these compounds'1999 5,874,061'Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes'1999 5,871,709'Macrocyclic compounds as complexing compounds or agents, complexes of metal ions therewith and use thereof as contrast media for diagnostics and therapeutics'1999 5,849,259'3-,8-substituted deuteroporphyrin derivatives, pharmaceutical agents containing the latter and process for their production'1998 5,820,849'Cascade polymer complexes, process for their production and pharamceutical agents containing said complexes'1998 5,798,092'Derivatized DTPA complexes pharmaceutical agents containing these compounds, their use, and processes for their production'1998 5,759,518'Metal complexes of dendrimeric macromolecules, diagnostics agents that contain the latter as well as process for the production of the complexes and agents'1998 5,747,000'Use of macrocyclic metal complexes as temperature sensors'1998 5,744,616'Process for the production of 1,4,7,10-tetraazacyclododecane and its derivatives'1998 5,733,522'Derivatized DTPA complexes, pharmaceutical agents containing these compounds, their use and process for their production'1998 5,730,956'DTPA di-alkyl monoamides for x-ray and MRI'1998 5,695,739'Derivatized DTPA complexes, pharmaceutical agents containing these compounds, their use, and processes for their production'1997 5,695,737'Dimeric DTPA derivatives, their metal complexes and pharmaceutical agents containing these complexes'1997 5,690,909'Fluorine-containing macrocyclic metal complexes'1997 5,686,492'Disubstituted p-fluorobenzenesulfonamides'1997 5,679,852'Process for the production of DTPA-monoamides of the central carboxylic acid and their use as pharmaceutical agents'1997 5,676,923'Substituted DTPA monoamides of the central carboxylic acid group and their metal complexes'1997 5,676,926'Process for the production of DTPA-tetraesters of terminal carboxylic acids'1997 5,654,467'Process for the production of C-substituted diethylenetriamines'1997 5,650,136'Cascade polymer bound complexing compounds, their complexes and conjugates, processes for their production, and pharmaceutical agents containing them'1997 5,514,810'Process for the production of DTPA-tetraesters of terminal carboxylic acids'1996 5,410,043'Process for the production of mono-N-substituted tetraaza macrocycles'1995 5,403,572'Macrocyclic polyaza compounds containing 5 or 6 membered rings, process for producing them and pharmaceutical media containing them'1995 5,386,028'Process for the production of N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane and N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradeca ne derivatives and their metal complexes'1995 5,364,614'Cascade polymer bound chelating compounds, their chelates and conjugates, processes for their production, and pharmaceutical agents containing them'1994 5,334,371'Marcocyclic polyaza bicyclo compounds containing 5 or 6 membered rings, and method for MRI'1994 5,277,895'Mono-n-substituted 1,4,7,10-tetraazacyclododecane derivatives, process for their production and pharmaceutical agents containing these derivatives'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2008Patents assigned to SCHERING AG (86)· patent assignee history

1994–2020Based in Berlin, DE· patent location history

2008–2012Patents assigned to BAYER SCHERING PHARMA AG (7)· patent assignee history

2012–2020Patents assigned to Bayer Pharma AG (12)· patent assignee history

2012–2018Patents assigned to PLATZEK JOHANNES (4)· patent assignee history

2016–2019Patents assigned to BAYER IP GMBH (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHERING AG	86	1994–2008
Bayer Pharma AG	12	2012–2020
BAYER SCHERING PHARMA AG	7	2008–2012
PLATZEK JOHANNESself	4	2012–2018
BAYER IP GMBH	3	2016–2019

Locations

Location	Patents	Span
Berlin, DE	113	1994–2020