Inventor profile of:

Winfried JOENTGEN

City:

Koln

Country:

Germany

Published Applications:

13

Last publication date:

2026-01-15

Top Assignees for applications by Winfried JOENTGEN

The entities that hold a legal rights for patent applications filed by inventor JOENTGEN Winfried:

Recent patent applications by JOENTGEN Winfried

Winfried JOENTGEN from Koln, DE has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2026-01-15
US20260015355A1
Chemistry; metallurgy

METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1-6-NAPHTHYRIDINE-3-CARBOX-AMIDE BY RACEMATE SEPARATION BY MEANS OF DIASTEREOMERIC TARTARIC ACID ESTERS

#2 | 2025-11-06
US20250340553A1
Chemistry; metallurgy

METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1-6-NAPHTHYRIDINE-3-CARBOX-AMIDE BY RACEMATE SEPARATION BY MEANS OF DIASTEREOMERIC TARTARIC ACID ESTERS

#3 | 2024-11-14
US20240376103A1
Chemistry; metallurgy

METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1-6-NAPHTHYRIDINE-3-CARBOX-AMIDE BY RACEMATE SEPARATION BY MEANS OF DIASTEREOMERIC TARTARIC ACID ESTERS

#4 | 2021-06-03
US20210163474A1
Chemistry; metallurgy

Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1-6-naphthyridine-3-carbox-amide by racemate separation by means of diastereomeric tartaric acid esters

#5 | 2019-09-19
US20190284186A1
Chemistry; metallurgy

Process for preparing methyl{4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate and its purification for use as pharmaceutically active compound

#6 | 2018-10-04
US20180282329A1
Chemistry; metallurgy

Process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-B]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate and its purification for use as pharmaceutically active compound

#7 | 2014-09-25
US20140288303A1
Chemistry; metallurgy

Process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate and its purification for use as pharmaceutically active compound

#8 | 2013-11-21
US20130310563A1
Chemistry; metallurgy

Process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b] pyridin-3-yl]pyrimidin-5-yl}methylcarbamate and its purification for use as pharmaceutically active compound

#9 | 2012-12-13
US20120316183A1
Chemistry; metallurgy

NOVEL SOLVATES OF METHYLCARBAMATE

#10 | 2011-07-28
US20110183999A1
Chemistry; metallurgy

NOVEL POLYMORPHIC FORMS OF METHYL CARBAMATE

#11 | 2011-06-02
US20110130411A1
Chemistry; metallurgy

Process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate and its purification for use as pharmaceutically active compound

#12 | 2011-06-02
US20110130410A1
Human necessities

Process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-B]pyridin-3-yl]pyrimidin-5-yl}Methylcarbamate and its purification for use as pharmaceutically active compound

#13 | 2006-01-17
US9935988
-

Process for conditioning standing and flowing water systems

InventorID:

540055 ⎘