Inventor · disambiguated record
Pieter Ooms
Also filed as: OOMS PIETER · OOMS PIETER C · OOMS PIETER CORNELIS
92 granted patents·13 pending applications·1,046 citations·filing 1987–2013
99Inventor score
Top patents by PatentIndex Score
105 records- 0195US7008900B1Double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 2000·Granted Mar 7, 2006·101 cites·19 claims
- 0294US9175135B2Process for preparing diaryl carbonates and polycarbonatesOOMS PIETER·Filed 2011·Granted Nov 3, 2015·9 cites·18 claims
- 0392US5069711AHerbicidal n-aryl-substituted nitrogen-containing heterocyclesBAYER AG·Filed 1991·Granted Dec 3, 1991·50 cites·14 claims
- 0491US9150490B2Process for preparing diaryl carbonates and polycarbonatesOOMS PIETER·Filed 2011·Granted Oct 6, 2015·6 cites·16 claims
- 0591US6780813B1Process for producing DMC catalystsBAYER AG·Filed 2000·Granted Aug 24, 2004·64 cites·14 claims
- 0691US5580843ASubstituted 1-arylpyrazolesBAYER AG·Filed 1994·Granted Dec 3, 1996·50 cites·19 claims
- 0790US8389664B2High molecular weight, random, bisphenol based copoly(phosphonate carbonate)sFREITAG DIETER·Filed 2011·Granted Mar 5, 2013·6 cites·30 claims
- 0889US6204357B1Double metal cyanide catalysts for preparing poly-etherpolyolsBAYER AG·Filed 2000·Granted Mar 20, 2001·33 cites·13 claims
- 0989US5006148AN-aryl-substituted nitrogen-containing heterocycles, and their use as herbicides and plant growth regulatorsBAYER AG·Filed 1989·Granted Apr 9, 1991·22 cites·7 claims
- 1088US8518231B2Process for production of diaryl carbonateOOMS PIETER·Filed 2011·Granted Aug 27, 2013·6 cites·19 claims
- 1188US6858655B1High-resilient polyurethane foams produced from polyether polyolsBAYER AG·Filed 2000·Granted Feb 22, 2005·29 cites·4 claims
- 1287US6414192B1Process for preparing 4-aminodiphenylamineBAYER AG·Filed 2001·Granted Jul 2, 2002·19 cites·5 claims
- 1387US5728897AProcess for the preparation of benzyl alcoholBAYER AG·Filed 1996·Granted Mar 17, 1998·36 cites·1 claims
- 1485US5750801AProcess for the continuous preparation of benzyl alcoholBAYER AG·Filed 1996·Granted May 12, 1998·34 cites·1 claims
- 1584US5734004AProcess for the purification of carbonic acid diaryl esterBAYER AG·Filed 1997·Granted Mar 31, 1998·28 cites·8 claims
- 1682US5554580AN-aryl-substituted nitrogen-containing heterocycles intermediates and their use as herbicides and plant growth regulatorsBAYER AG·Filed 1992·Granted Sep 10, 1996·18 cites·14 claims
- 1781US6919293B1Double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 2000·Granted Jul 19, 2005·23 cites·6 claims
- 1881US6586566B1Double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 2000·Granted Jul 1, 2003·19 cites·19 claims
- 1980US8648163B2High molecular weight, random, bisphenol based copoly(phosphonate carbonate)sFRX POLYMERS INC·Filed 2013·Granted Feb 11, 2014·2 cites·25 claims
- 2080US6468939B1Double metal cyanide catalysts for the preparation of polyether polyolsBAYER AG·Filed 2000·Granted Oct 22, 2002·20 cites·10 claims
- 2180US5932768AProcess for the preparation of 4-aminodiphenylamineBAYER AG·Filed 1998·Granted Aug 3, 1999·20 cites·9 claims
- 2279US8022240B2Processes for purifying diaryl carbonatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted Sep 20, 2011·5 cites·18 claims
- 2379US6323375B1Crystalline double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 1998·Granted Nov 27, 2001·31 cites·23 claims
- 2479US5925791AProcess for producing 4-aminodiphenylamineBAYER AG·Filed 1998·Granted Jul 20, 1999·19 cites·9 claims
- 2577US6624286B2Double-metal cyanide catalysts containing polyester for preparing polyether polyolsBAYER AG·Filed 2001·Granted Sep 23, 2003·13 cites·8 claims
- 2677US6291388B1Double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 1999·Granted Sep 18, 2001·41 cites·9 claims
- 2777US5478961AProcess for preparting aryl carbonatesBAYER AG·Filed 1994·Granted Dec 26, 1995·14 cites·4 claims
- 2875US8106144B2Process for producing polycarbonateOOMS PIETER·Filed 2010·Granted Jan 31, 2012·3 cites·20 claims
- 2975US7863403B2Process for the preparation of polycarbonates and diaryl carbonateBAYER MATERIALSCIENCE AG·Filed 2009·Granted Jan 4, 2011·2 cites·19 claims
- 3075US5994584AProcess for the preparation of 4-aminodiphenylamineBAYER AG·Filed 1999·Granted Nov 30, 1999·20 cites·9 claims
- 3174US8952189B2Process for preparing diaryl carbonates or alkyl aryl carbonates from dialkyl carbonatesDÜX ANDRE·Filed 2010·Granted Feb 10, 2015·2 cites·16 claims
- 3274US6391820B1Bi-metallic-cyanide catalysts used for preparing polyether polyolsBAYER AG·Filed 1999·Granted May 21, 2002·24 cites·12 claims
- 3373US8039659B2Processes for preparing diaryl and/or alkylaryl carbonates from dialkyl carbonatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted Oct 18, 2011·2 cites·18 claims
- 3473US6852664B2Double metal cyanide catalysts for the preparation of polyether polyolsBAYER AG·Filed 2003·Granted Feb 8, 2005·10 cites·12 claims
- 3570US9475751B2Process for producing dialkyl carbonatesBAYER MATERIALSCIENCE AG·Filed 2013·Granted Oct 25, 2016·1 cites·7 claims
- 3670US8882984B2Process for preparing diaryl carbonateOOMS PIETER·Filed 2010·Granted Nov 11, 2014·1 cites·19 claims
- 3770US6852663B2Double-metal cyanide catalysts for preparing polyether polyolsBAYER AG·Filed 2002·Granted Feb 8, 2005·10 cites·8 claims
- 3869US8338631B2Process for preparing dialkyl carbonates from alkylene carbonates and alcoholsRISSE FRIEDHELM·Filed 2010·Granted Dec 25, 2012·3 cites·16 claims
- 3969US6953765B2Double metal cyanide catalysts for preparing polyether polyolsBAYER AG·Filed 2002·Granted Oct 11, 2005·9 cites·8 claims
- 4069US5221318AHerbicidal N-aryl-substituted nitrogen-containing heterocyclesBAYER AG·Filed 1991·Granted Jun 22, 1993·11 cites·12 claims
- 4168US5900501AProcess for the continuous production of aryl carbonatesBAYER AG·Filed 1997·Granted May 4, 1999·11 cites·1 claims
- 4267US8552214B2Process for preparing dialkyl carbonatesOOMS PIETER·Filed 2011·Granted Oct 8, 2013·1 cites·6 claims
- 4366US6608231B1Double-metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 1999·Granted Aug 19, 2003·25 cites·15 claims
- 4466US5998327AZinc/metal hexacyanocobaltate complex compounds, a process for their preparation, and their use in a process for the production of polyether polyolsBAYER AG·Filed 1998·Granted Dec 7, 1999·19 cites·11 claims
- 4565US6528616B1Double metal cyanide catalysts for the production of polyther polyolsBAYER AG·Filed 2000·Granted Mar 4, 2003·6 cites·9 claims
- 4664US6800780B2Method for producing carboxylic acid benzyl estersBAYER AG·Filed 2001·Granted Oct 5, 2004·3 cites·12 claims
- 4763US5557170ALow-pressure discharge lamp and method of manufacturing a low-pressure discharge lampPHILIPS CORP·Filed 1994·Granted Sep 17, 1996·15 cites·16 claims
- 4863US5473094AProcess for preparing aryl carbonatesBAYER AG·Filed 1994·Granted Dec 5, 1995·7 cites·9 claims
- 4963US5061310AHerbicidal n-phenyl-substituted oxazinediones and oxazinonethionesBAYER AG·Filed 1989·Granted Oct 29, 1991·6 cites·5 claims
- 5062US4868198A3-halogenoalkyl-1-aryl-pyrazole pesticides, compositions and useBAYER AG·Filed 1988·Granted Sep 19, 1989·5 cites·7 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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