Johannes Platzek

Person

Berlin, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing 4-amino-5-methylpyridone
- Patent number 12,152,006
- Issue date Nov 26, 2024
- Bayer Aktiengesellschaft
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...
- Patent number 12,054,481
- Issue date Aug 6, 2024
- Bayer Aktiengesellschaft
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8...
- Patent number RE49860
- Issue date Mar 5, 2024
- Bayer Pharma Aktiengesellschaft
- Johannes Platzek
Information Patent Grant
Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...
- Patent number RE49826
- Issue date Feb 6, 2024
- Bayer Pharma Aktiengesellschaft
- Johannes Platzek
Information Patent Grant
Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...
- Patent number RE49575
- Issue date Jul 11, 2023
- Bayer Pharma Aktiengesellschaft
- Johannes Platzek
Information Patent Grant
Gadolinium chelate compounds for use in magnetic resonance imaging
- Patent number 11,491,245
- Issue date Nov 8, 2022
- Bayer Pharma Aktiengesellschaft
- Markus Berger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for producing the crystalline form of modification a of calc...
- Patent number 11,390,592
- Issue date Jul 19, 2022
- Bayer Pharma Aktiengesellschaft
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing benzothiophen-2yl boronate
- Patent number 11,274,110
- Issue date Mar 15, 2022
- Bayer Pharma Aktiengesellschaft
- Jörg Gries
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing the crystalline form of modification a of calc...
- Patent number 10,793,532
- Issue date Oct 6, 2020
- Bayer Pharma Aktiengesellschaft
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymorphic form of N-{6-(hydroxypropan-2-yl)-2-[2-(methylsulphonyl...
- Patent number 10,759,758
- Issue date Sep 1, 2020
- Bayer Pharma Aktiengesellschaft
- Tobias Thaler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gadolinium chelate compounds for use in magnetic resonance imaging
- Patent number 10,722,601
- Issue date Jul 28, 2020
- Bayer Pharma Aktiengesellschaft
- Markus Berger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Synthesis of indazoles
- Patent number 10,633,365
- Issue date Apr 28, 2020
- Bayer Pharma Aktiengesellschaft
- Tobias Thaler
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Synthesis of indazoles
- Patent number 10,501,417
- Issue date Dec 10, 2019
- Bayer Pharma Aktiengesellschaft
- Tobias Thaler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystalline forms of N-[2-(3-Hydroxy-3-methylbutyl)-6-(2-hydroxypro...
- Patent number 10,501,437
- Issue date Dec 10, 2019
- Bayer Pharma Aktiengesellschaft
- Tobias Thaler
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preparation of high-purity gadobutrol
- Patent number 10,435,417
- Issue date Oct 8, 2019
- Bayer Intellectual Property GmbH
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing (4S)- 4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,...
- Patent number 10,399,977
- Issue date Sep 3, 2019
- Bayer Pharma Aktiengesellschaft
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...
- Patent number 10,392,384
- Issue date Aug 27, 2019
- Bayer Pharma Aktiengesellschaft
- Johannes Platzek
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...
- Patent number 10,336,749
- Issue date Jul 2, 2019
- Bayer Pharma Aktiengesellschaft
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gadolinium chelate compounds for use in magnetic resonance imaging
- Patent number 10,137,209
- Issue date Nov 27, 2018
- Bayer Pharma Aktiengesellschaft
- Markus Berger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of high-purity gadobutrol
- Patent number 10,072,027
- Issue date Sep 11, 2018
- Bayer Intellectual Property GmbH
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...
- Patent number 10,059,707
- Issue date Aug 28, 2018
- Bayer Pharma AG
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of calcobutrol
- Patent number 9,447,053
- Issue date Sep 20, 2016
- Bayer Intellectual Property GmbH
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing epothilone derivatives by selective catalytic...
- Patent number 8,314,248
- Issue date Nov 20, 2012
- Bayer Pharma AG
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal chelates having a perfluorinated PEG radical, processes for t...
- Patent number 8,263,040
- Issue date Sep 11, 2012
- Bayer Schering Pharma AG
- Johannes Platzek
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Optically active, heteroaromatic β-hydroxy esters and processes for...
- Patent number 7,935,827
- Issue date May 3, 2011
- Bayer Schering Pharma AG
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-methyl-homocysteines and their use as well as process for their p...
- Patent number 7,659,364
- Issue date Feb 9, 2010
- CIS Bio International
- Marc Willuhn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active, heteroaromatic β-hydroxy esters and processes for...
- Patent number 7,626,035
- Issue date Dec 1, 2009
- Bayer Schering Pharma AG
- Johannes Platzek
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Perfluoroalkyl-containing complexes, process for their production a...
- Patent number 7,618,957
- Issue date Nov 17, 2009
- Bayer Schering Pharma Aktiengesellschaft
- Heiko Schirmer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Protected 5,7-dihydroxy-4,4-dimethyl-3-oxoheptanoic acid esters and...
- Patent number 7,595,418
- Issue date Sep 29, 2009
- Bayer Schering Pharma Aktiengesellschaft
- Juergen Westermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trimeric, macrocyclically substituted halo-benzene derivatives
- Patent number 7,385,054
- Issue date Jun 10, 2008
- Schering AG
- Johannes Platzek
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...
- Publication number 20240376103
- Publication date Nov 14, 2024
- Bayer Aktiengesellschaft
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF 2-CYANOETHYL (4S)-4-(4-CYANO-2-METHO...
- Publication number 20240199599
- Publication date Jun 20, 2024
- Bayer Aktiengesellschaft
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING ACYLOXYMETHYL ESTERS OF (4S)-(4-CYANO-2-METHO...
- Publication number 20240150344
- Publication date May 9, 2024
- Bayer Aktiengesellschaft
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOTOCHEMICAL PROCESS FOR PRODUCING (4R,4S)-4-(4-CYANO-2-METHOXYPHE...
- Publication number 20240150357
- Publication date May 9, 2024
- Bayer Aktiengesellschaft
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NEW GADOLINIUM CHELATE COMPOUNDS FOR USE IN MAGNETIC RESONANCE IMAGING
- Publication number 20230113481
- Publication date Apr 13, 2023
- BAYER PHARMA AKTIENGESELLSCHAFT
- MARKUS BERGER
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PROCESS FOR PREPARING BENZOTHIOPHEN-2YL BORONATE
- Publication number 20220356194
- Publication date Nov 10, 2022
- BAYER PHARMA AKTIENGESELLSCHAFT
- Jörg GRIES
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYNTHESIS OF 4-AMINO-5-METHYL-1H-PYRIDIN-2(1H)-ON (INTERMEDIATE COM...
- Publication number 20220153699
- Publication date May 19, 2022
- Bayer Aktiengesellschaft
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING 4-AMINO-5-METHYLPYRIDONE
- Publication number 20220153701
- Publication date May 19, 2022
- Bayer Aktiengesellschaft
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Application
THE MONOHYDRATE OF ROGARATINIB HYDROCHLORIDE AND SOLID STATES THEREOF
- Publication number 20220098201
- Publication date Mar 31, 2022
- Bayer Aktiengesellschaft
- Jörg GRIES
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING 2-[(3R)-3-METHYLMORPHOLIN-4-YL]-4-[1-METHYL-1H...
- Publication number 20210253573
- Publication date Aug 19, 2021
- Bayer Aktiengesellschaft
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...
- Publication number 20210163474
- Publication date Jun 3, 2021
- Bayer Aktiengesellschaft
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PREPARATION OF THE METABOLITES OF (4S)- AND (4R)-4-(...
- Publication number 20210024490
- Publication date Jan 28, 2021
- BAYER PHARMA AKTIENGESELLSCHAFT
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING THE CRYSTALLINE FORM OF MODIFICATION A OF CALC...
- Publication number 20210009534
- Publication date Jan 14, 2021
- BAYER PHARMA AKTIENGESELLSCHAFT
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
GADOLINIUM CHELATE COMPOUNDS FOR USE IN MAGNETIC RESONANCE IMAGING
- Publication number 20200353104
- Publication date Nov 12, 2020
- BAYER PHARMA AKTIENGESELLSCHAFT
- MARKUS BERGER
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PROCESS FOR PREPARING BENZOTHIOPHEN-2YL BORONATE
- Publication number 20200339606
- Publication date Oct 29, 2020
- BAYER PHARMA AKTIENGESELLSCHAFT
- Jörg GRIES
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING THE CRYSTALLINE FORM OF MODIFICATION A OF CALC...
- Publication number 20190210979
- Publication date Jul 11, 2019
- BAYER PHARMA AKTIENGESELLSCHAFT
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CRYSTALLINE FORMS OF N-[2-(3-HYDROXY-3-METHYLBUTYL)-6-(2-HYDROXYPRO...
- Publication number 20190152944
- Publication date May 23, 2019
- BAYER PHARMA AKTIENGESELLSCHAFT
- Tobias THALER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYNTHESIS OF INDAZOLES
- Publication number 20190144420
- Publication date May 16, 2019
- BAYER PHARMA AKTIENGESELLSCHAFT
- Tobias THALER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing (4S)- 4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,...
- Publication number 20190127369
- Publication date May 2, 2019
- BAYER PHARMA AKTIENGESELLSCHAFT
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POLYMORPHIC FORM OF N-{6-(2-HYDROXYPROPAN-2-YL)-2-[2-(METHYLSULPHON...
- Publication number 20190112270
- Publication date Apr 18, 2019
- BAYER PHARMA AKTIENGESELLSCHAFT
- Tobias THALER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYNTHESIS OF INDAZOLES
- Publication number 20190106407
- Publication date Apr 11, 2019
- BAYER PHARMA AKTIENGESELLSCHAFT
- Tobias THALER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
GADOLINIUM CHELATE COMPOUNDS FOR USE IN MAGNETIC RESONANCE IMAGING
- Publication number 20190083659
- Publication date Mar 21, 2019
- BAYER PHARMA AKTIENGESELLSCHAFT
- MARKUS BERGER
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...
- Publication number 20180244668
- Publication date Aug 30, 2018
- BAYER PHARMA AKTIENGESELLSCHAFT
- Johannes Platzek
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...
- Publication number 20180244670
- Publication date Aug 30, 2018
- BAYER PHARMA AKTIENGESELLSCHAFT
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PREPARATION OF THE METABOLITES OF (4S)- AND (4R)-4-(...
- Publication number 20180237414
- Publication date Aug 23, 2018
- BAYER PHARMA AKTIENGESELLSCHAFT
- Johannes Platzek
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
NEW GADOLINIUM CHELATE COMPOUNDS FOR USE IN MAGNETIC RESONANCE IMAGING
- Publication number 20180169274
- Publication date Jun 21, 2018
- BAYER PHARMA AKTIENGESELLSCHAFT
- MARKUS BERGER
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PREPARATION OF HIGH-PURITY GADOBUTROL
- Publication number 20180105537
- Publication date Apr 19, 2018
- Bayer Intellectual Property GmbH
- Johannes Platzek
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...
- Publication number 20170217957
- Publication date Aug 3, 2017
- BAYER PHARMA AKTIENGESELLSCHAFT
- Johannes PLATZEK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION OF HIGH-PURITY GADOBUTROL
- Publication number 20140107325
- Publication date Apr 17, 2014
- Bayer Intellectual Property GmbH
- Johannes Platzek
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Process for Preparing Crystalline 3,6,9-triaza-3,6,9-tris(carboxyme...
- Publication number 20130158241
- Publication date Jun 20, 2013
- Bayer Intellectual Property GmbH
- Johannes Platzek
- C07 - ORGANIC CHEMISTRY

Johannes Platzek

Person

Patents Grantslast 30 patents

Process for preparing 4-amino-5-methylpyridone

Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...

Process for preparing (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8...

Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...

Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...

Gadolinium chelate compounds for use in magnetic resonance imaging

Method for producing the crystalline form of modification a of calc...

Process for preparing benzothiophen-2yl boronate

Method for producing the crystalline form of modification a of calc...

Polymorphic form of N-{6-(hydroxypropan-2-yl)-2-[2-(methylsulphonyl...

Gadolinium chelate compounds for use in magnetic resonance imaging

Synthesis of indazoles

Synthesis of indazoles

Crystalline forms of N-[2-(3-Hydroxy-3-methylbutyl)-6-(2-hydroxypro...

Preparation of high-purity gadobutrol

Process for preparing (4S)- 4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,...

Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...

Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...

Gadolinium chelate compounds for use in magnetic resonance imaging

Preparation of high-purity gadobutrol

Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-et...

Process for the preparation of calcobutrol

Process for preparing epothilone derivatives by selective catalytic...

Metal chelates having a perfluorinated PEG radical, processes for t...

Optically active, heteroaromatic β-hydroxy esters and processes for...

N-methyl-homocysteines and their use as well as process for their p...

Optically active, heteroaromatic β-hydroxy esters and processes for...

Perfluoroalkyl-containing complexes, process for their production a...

Protected 5,7-dihydroxy-4,4-dimethyl-3-oxoheptanoic acid esters and...

Trimeric, macrocyclically substituted halo-benzene derivatives

Patents Applicationslast 30 patents

METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...

PROCESS FOR THE PREPARATION OF 2-CYANOETHYL (4S)-4-(4-CYANO-2-METHO...

PROCESS FOR PRODUCING ACYLOXYMETHYL ESTERS OF (4S)-(4-CYANO-2-METHO...

PHOTOCHEMICAL PROCESS FOR PRODUCING (4R,4S)-4-(4-CYANO-2-METHOXYPHE...

NEW GADOLINIUM CHELATE COMPOUNDS FOR USE IN MAGNETIC RESONANCE IMAGING

PROCESS FOR PREPARING BENZOTHIOPHEN-2YL BORONATE

SYNTHESIS OF 4-AMINO-5-METHYL-1H-PYRIDIN-2(1H)-ON (INTERMEDIATE COM...

PROCESS FOR PREPARING 4-AMINO-5-METHYLPYRIDONE

THE MONOHYDRATE OF ROGARATINIB HYDROCHLORIDE AND SOLID STATES THEREOF

METHOD FOR PREPARING 2-[(3R)-3-METHYLMORPHOLIN-4-YL]-4-[1-METHYL-1H...

METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...

METHOD FOR THE PREPARATION OF THE METABOLITES OF (4S)- AND (4R)-4-(...

METHOD FOR PRODUCING THE CRYSTALLINE FORM OF MODIFICATION A OF CALC...

GADOLINIUM CHELATE COMPOUNDS FOR USE IN MAGNETIC RESONANCE IMAGING

PROCESS FOR PREPARING BENZOTHIOPHEN-2YL BORONATE

METHOD FOR PRODUCING THE CRYSTALLINE FORM OF MODIFICATION A OF CALC...

CRYSTALLINE FORMS OF N-[2-(3-HYDROXY-3-METHYLBUTYL)-6-(2-HYDROXYPRO...

SYNTHESIS OF INDAZOLES

Process for preparing (4S)- 4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,...

POLYMORPHIC FORM OF N-{6-(2-HYDROXYPROPAN-2-YL)-2-[2-(METHYLSULPHON...

SYNTHESIS OF INDAZOLES

GADOLINIUM CHELATE COMPOUNDS FOR USE IN MAGNETIC RESONANCE IMAGING

METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...

METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...

METHOD FOR THE PREPARATION OF THE METABOLITES OF (4S)- AND (4R)-4-(...

NEW GADOLINIUM CHELATE COMPOUNDS FOR USE IN MAGNETIC RESONANCE IMAGING

PREPARATION OF HIGH-PURITY GADOBUTROL

METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ET...

PREPARATION OF HIGH-PURITY GADOBUTROL

Process for Preparing Crystalline 3,6,9-triaza-3,6,9-tris(carboxyme...