Inventor · disambiguated record
Winfried Joentgen
Also filed as: JOENTGEN WINFRIED · JOENTGEN WINFRIED DIPL CHEM DR · JOENTGEN WINFRIED DR
49 granted patents·4 pending applications·1,388 citations·filing 1990–2025
98Inventor score
Top patents by PatentIndex Score
53 records- 0199US5977053ADetergents and cleaners containing iminodisuccinatesBAYER AG·Filed 1996·Granted Nov 2, 1999·407 cites·6 claims
- 0296US6054553AProcess for the preparation of polymers having recurring agentsBAYER AG·Filed 1996·Granted Apr 25, 2000·201 cites·38 claims
- 0395US5874025ATimber preservative containing a copper compoundBAYER AG·Filed 1996·Granted Feb 23, 1999·110 cites·8 claims
- 0493US8492544B2Process 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 compoundMAIS FRANZ-JOSEF·Filed 2010·Granted Jul 23, 2013·27 cites·2 claims
- 0592US12054481B2Method 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 estersBAYER AG·Filed 2019·Granted Aug 6, 2024·3 cites·34 claims
- 0692US8853398B2Process 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 compoundBAYER IP GMBH·Filed 2013·Granted Oct 7, 2014·15 cites·4 claims
- 0791US11203593B2Forms of methyl {4,6-diamino-2-[1(2-fluorobenzyl)-1H-pyrazolo[3-4-b]pyridino-3-yl]pyrimidino-5-yl}methyl carbamateADVERIO PHARMA GMBH·Filed 2020·Granted Dec 21, 2021·2 cites·22 claims
- 0891US8501945B2Process 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 compoundMAIS FRANZ-JOSEF·Filed 2010·Granted Aug 6, 2013·23 cites·2 claims
- 0990US5523023AWater treatment/cleaning composition comprising polyaspartic acid or derivatives thereof and phosphonic acidBAYER AG·Filed 1994·Granted Jun 4, 1996·77 cites·16 claims
- 1089US12448381B1Method 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 estersBAYER AG·Filed 2025·Granted Oct 21, 2025·0 cites·20 claims
- 1189US10351562B2Process 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 compoundADVERIO PHARMA GMBH·Filed 2018·Granted Jul 16, 2019·6 cites·9 claims
- 1289US5594077AProcess for preparing polymers which contain aspartic acidBAYER AG·Filed 1994·Granted Jan 14, 1997·71 cites·31 claims
- 1387US6387189B1Surface-cleaning methodBAYER AG·Filed 1998·Granted May 14, 2002·86 cites·21 claims
- 1483US5371180AProcess for the preparation of polysuccinimide and polyaspartic acidBAYER AG·Filed 1994·Granted Dec 6, 1994·34 cites·5 claims
- 1581US5059716AProcess for the preparation of aldehydesBAYER AG·Filed 1990·Granted Oct 22, 1991·20 cites·17 claims
- 1681US2024376103A1Method 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 estersBAYER AG·Filed 2024·Application pending·0 cites
- 1779US12503469B2Forms of methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3-4-b]pyridino-3-yl]pyrimidino-5-yl} methyl carbamateADVERIO PHARMA GMBH·Filed 2021·Granted Dec 23, 2025·0 cites·5 claims
- 1878US10030014B2Process 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 compoundADVERIO PHARMA GMBH·Filed 2014·Granted Jul 24, 2018·2 cites·5 claims
- 1978US5610255AProcess for preparing polysuccinimide and polyaspartic acidBAYER AG·Filed 1995·Granted Mar 11, 1997·25 cites·10 claims
- 2077US10087183B2Forms of methyl {4,6-diamino-2-[1 (2-fluorobenzyl)-1h-pyrazolo[3-4-b]pyridino-3-yl]pyrimidino-5-yl}methyl carbamateADVERIO PHARMA GMBH·Filed 2017·Granted Oct 2, 2018·1 cites·30 claims
- 2177US6107518APreparation and use of iminodisuccinic acid saltsBAYER AG·Filed 1998·Granted Aug 22, 2000·16 cites·9 claims
- 2275US5493004AProcess for the preparation of polysuccinimideBAYER AG·Filed 1994·Granted Feb 20, 1996·21 cites·21 claims
- 2374US6207010B1Preparation and use of iminodisuccinic acid saltsBAYER AG·Filed 2000·Granted Mar 27, 2001·6 cites·3 claims
- 2474US5942150AUse as antifreeze of polymers with recurring succinyl unitsBAYER AG·Filed 1996·Granted Aug 24, 1999·26 cites·16 claims
- 2573US5543490AProcess for the preparation of polysuccinimide, polyaspartic acid and salts thereof, and the use of these compoundsBAYER AG·Filed 1993·Granted Aug 6, 1996·20 cites·18 claims
- 2669US10570130B2Process 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 compoundADVERIO PHARMA GMBH·Filed 2019·Granted Feb 25, 2020·0 cites·2 claims
- 2769US5804639APigment preparations having a high solids contentBAYER AG·Filed 1996·Granted Sep 8, 1998·15 cites·13 claims
- 2866US10662188B2Forms of methyl {4,6-diamino-2-[1 (2-fluorobenzyl)-1H-pyrazolo[3-4-b]pyridino-3-yl]pyrimidino-5-yl} methyl carbamateADVERIO PHARMA GMBH·Filed 2018·Granted May 26, 2020·0 cites·30 claims
- 2962US2015376184A1Forms of methyl methyl carbamateBAYER IP GMBH·Filed 2014·Application pending·0 cites
- 3058US5801276AProcess for the preparation of hydroxypivalic acidBAYER AG·Filed 1997·Granted Sep 1, 1998·6 cites·4 claims
- 3158US5739393AProcess for the preparation of polymers with recurring succinyl unitsBAYER AG·Filed 1997·Granted Apr 14, 1998·6 cites·20 claims
- 3255US6187898B1Method for carrying out polycondensation reactionsBAYER AG·Filed 1998·Granted Feb 13, 2001·13 cites·20 claims
- 3355US5885474AUse of polyaspartic acid amides as leather auxiliary productsBAYER AG·Filed 1996·Granted Mar 23, 1999·17 cites·12 claims
- 3453US6180752B1Polyasparaginic acid homopolymers an copolymers, biotechnical production and use thereofBAYER AG·Filed 1998·Granted Jan 30, 2001·12 cites·7 claims
- 3553US5506335ASulfonic acid group-containing polyaspartic acid derivatives, use thereof and preparation thereofBAYER AG·Filed 1994·Granted Apr 9, 1996·14 cites·20 claims
- 3652US6096097ASimultaneous washing and bleaching of native fibres and textile products therefromBAYER AG·Filed 1999·Granted Aug 1, 2000·14 cites·16 claims
- 3752US5902357AComposition for dyeing or printing textile materialsBAYER AG·Filed 1997·Granted May 11, 1999·9 cites·9 claims
- 3850US5773630AProcess for the preparation of N-substituted cyclic imidesBAYER AG·Filed 1996·Granted Jun 30, 1998·4 cites·11 claims
- 3949US6986852B2Process for conditioning standing and flowing water systemsBAYER AG·Filed 2001·Granted Jan 17, 2006·3 cites·7 claims
- 4049US5795707APhotographic silver halide materialAGFA GEVAERT·Filed 1997·Granted Aug 18, 1998·5 cites·11 claims
- 4149US5726280ASulfonic acid group-containing polyaspartic acid derivatives, use thereof and prepartion thereofBAYER AG·Filed 1996·Granted Mar 10, 1998·15 cites·15 claims
- 4249US5714558AProcess for preparing polyaspartic acidBAYER AG·Filed 1995·Granted Feb 3, 1998·9 cites·23 claims
- 4346US6743372B1Media for water treatmentBAYER AG·Filed 1999·Granted Jun 1, 2004·12 cites·5 claims
- 4445US6187195B1Inhibition and delay of deposit formation in membrane processesBAYER AG·Filed 1997·Granted Feb 13, 2001·13 cites·20 claims
- 4543US5580355ALeather tanning agent and standardizing agents for dyestuffsBAYER AG·Filed 1995·Granted Dec 3, 1996·5 cites·1 claims
- 4642US5530091AProcess for the production of polysuccinimide or maleic amide acidBAYER AG·Filed 1995·Granted Jun 25, 1996·8 cites·7 claims
- 4737US2012316183A1Novel solvates of methylcarbamateGRUNENBERG ALFONS·Filed 2010·Application pending·0 cites
- 4837US2011183999A1Novel polymorphic forms of methyl carbamateBAYER SCHERING PHARMA AG·Filed 2010·Application pending·0 cites
- 4933US5618910AProcess for decolorizing N-containing polymersBAYER AG·Filed 1995·Granted Apr 8, 1997·2 cites·20 claims
- 5032US6056787AProcess for the pretreatment of fibersBAYER AG·Filed 1997·Granted May 2, 2000·2 cites·14 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →