Inventor · disambiguated record
John J. Ostermaier
Also filed as: OSTERMAIER JOHN · OSTERMAIER JOHN J · OSTERMAIER JOHN JOSEPH
28 granted patents·2 pending applications·350 citations·filing 1974–2014
96Inventor score
Top patents by PatentIndex Score
30 records- 0196US3957689AProcess for preparing an attrition resistant zeolite hydrocarbon conversion catalystGRACE W R & CO·Filed 1974·Granted May 18, 1976·69 cites·5 claims
- 0294US4749801A[Hexakis(pentenenitrilo)nickel II]bis-[μ-(cyano) bis(triphenylborane) (I)], its method of preparation and its useDU PONT·Filed 1986·Granted Jun 7, 1988·41 cites·4 claims
- 0393US4416825APreparation of zerovalent nickel complexesDU PONT·Filed 1982·Granted Nov 22, 1983·64 cites·6 claims
- 0489US5312959APurification of 2-methylglutaronitrile or adiponitrileDU PONT·Filed 1993·Granted May 17, 1994·35 cites·2 claims
- 0585US8815186B2Nickel compositions for preparing nickel metal and nickel complexesOSTERMAIER JOHN J·Filed 2010·Granted Aug 26, 2014·4 cites·19 claims
- 0685US7060820B1Process for making caprolactamINVISTA NORTH AMERICA SARL·Filed 2005·Granted Jun 13, 2006·5 cites·24 claims
- 0782US6461481B1Process for removing water from organoborane compoundsDU PONT·Filed 2000·Granted Oct 8, 2002·16 cites·8 claims
- 0882US6248926B1Recovery of hexamethylenediamine (HMD) with low polarographically reducible impurities (PRI) from mixtures of HMD, aminocapronitirle and PRIDU PONT·Filed 2000·Granted Jun 19, 2001·13 cites·1 claims
- 0981US6331651B1Process for making hexamethylene diamine using ozone-treated adiponitrile that contains phosphorous compoundsDU PONT·Filed 2001·Granted Dec 18, 2001·11 cites·2 claims
- 1080US9371343B2Nickel metal compositions and nickel complexes derived from basic nickel carbonatesOSTERMAIER JOHN J·Filed 2010·Granted Jun 21, 2016·2 cites·29 claims
- 1179US6599398B1Recovery of adiponitrile from a mixture of adiponitrile, aminocapronitrile and hexamethylenediamineDU PONT·Filed 2002·Granted Jul 29, 2003·14 cites·4 claims
- 1278US9371346B2Preparing a nickel phosphorus ligand complexOSTERMAIER JOHN J·Filed 2011·Granted Jun 21, 2016·2 cites·23 claims
- 1377US7517985B2Process for making solid triphenylboron-pyridine or its adductINVISTA NORTH AMERICA SARL·Filed 2006·Granted Apr 14, 2009·4 cites·4 claims
- 1476US5961788ASequential distillation process for removing tetrahydroazepine from aminocapronitrile and/or hexamethylenediamineDU PONT·Filed 1998·Granted Oct 5, 1999·16 cites·11 claims
- 1576US5892122AMethod for making cyclohexanol and cyclohexanoneDU PONT·Filed 1997·Granted Apr 6, 1999·20 cites·4 claims
- 1676US4521628ARecovery of arylboranesDU PONT·Filed 1983·Granted Jun 4, 1985·10 cites·6 claims
- 1772US8969606B2Calcination and reduction process including a fluidizing bed reactorMEDHEKAR VINAY·Filed 2012·Granted Mar 3, 2015·3 cites·35 claims
- 1871US9024049B2Nickel compositions for preparing nickel metal and nickel complexesOSTERMAIER JOHN J·Filed 2011·Granted May 5, 2015·1 cites·20 claims
- 1971US6716977B1Method for making caprolactam from impure ACN wherein ammonia and water are removed from crude caprolactam in a simple separation step and then THA is removed from the resulting caprolactam meltDU PONT·Filed 2003·Granted Apr 6, 2004·5 cites·2 claims
- 2065US7208632B2Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepineINVISTA NORTH AMERICA SARL·Filed 2004·Granted Apr 24, 2007·3 cites·12 claims
- 2164US7060819B2Process for producing hexamethylenediamine and aminocapronitrile from adiponitrile, wherein the hexamethylenediamine contains less than 100 ppm tetrahydroazepineINVISTA NORTH AMERICA SARL·Filed 2003·Granted Jun 13, 2006·3 cites·2 claims
- 2260US6887352B2Distillative method for separating hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepineINVISTA NORTH AMERICA SARL·Filed 2003·Granted May 3, 2005·8 cites·8 claims
- 2355US7468119B2Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepineINVISTA NORTH AMERICA SARL·Filed 2004·Granted Dec 23, 2008·1 cites·10 claims
- 2454US9981257B2Metal-ligand catalyst formationFRAGA DUBREUIL JOAN·Filed 2012·Granted May 29, 2018·0 cites·40 claims
- 2551US8101790B2Process for improving adiponitrile qualityOSTERMAIER JOHN J·Filed 2008·Granted Jan 24, 2012·0 cites·23 claims
- 2650US7678906B2Process for making triphenylboron-pyridine compoundINVISTA NORTH AMERICA SARL·Filed 2008·Granted Mar 16, 2010·0 cites·21 claims
- 2748US7390897B2Method for making caprolactam from impure 6-aminocapronitrileINVISTA NORTH AMERICA SARL·Filed 2005·Granted Jun 24, 2008·0 cites·12 claims
- 2848US2016167975A1Hydrogen cyanide manufacturing process with second waste heat boilerINVISTA TECH SARL·Filed 2014·Application pending·0 cites
- 2942US6858728B2Method for making caprolactam from impure ACN in which THA is not removed until after caprolactam is producedINVISTA NORTH AMERICA SARL·Filed 2003·Granted Feb 22, 2005·0 cites·2 claims
- 3037US2003069455A1Method for making a substantially pure mixture of cyclododecanediol isomers and uses thereofFiled 2002·Application pending·0 cites
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