Inventor · disambiguated record
Douglas W. Stephan
Also filed as: STEPHAN DOUGLAS · STEPHAN DOUGLAS W · STEPHAN DOUGLAS WADE
19 granted patents·446 citations·filing 1995–2018
94Inventor score
Files withNOVA CHEM INT SA8GOVERNING COUNCIL UNIV TORONTO2LANXESS DEUTSCHLAND GMBH2STEPHAN DOUGLAS W2JESCHKO JULIA MARIA1
Top patents by PatentIndex Score
19 records- 0194US6342463B1Polymerization catalyst having a phosphinimine ligandNOVA CHEM INT SA·Filed 2000·Granted Jan 29, 2002·72 cites·12 claims
- 0293US6063879AHigh temperature solution polymerization process with phosphinimine cyclopentadienyl metal (GRP IV) complexNOVA CHEM INT SA·Filed 1997·Granted May 16, 2000·96 cites·31 claims
- 0393US5965677ASupported phosphinimine-Cp catalystsNOVA CHEM INT SA·Filed 1997·Granted Oct 12, 1999·125 cites·20 claims
- 0490US6649558B2Bis-phosphinimine catalystNOVA CHEM INT SA·Filed 2001·Granted Nov 18, 2003·33 cites·14 claims
- 0590US6355744B1Cyclopentadienyl/phosphinimine catalyst with one and only one activatable ligandNOVA CHEM INT SA·Filed 2000·Granted Mar 12, 2002·30 cites·4 claims
- 0687US9156929B2Bis(2-indenyl) metallocene complexSAUDI BASIC IND CORP·Filed 2014·Granted Oct 13, 2015·8 cites·14 claims
- 0784US8299284B2Frustrated lewis pair compositionsSTEPHAN DOUGLAS W·Filed 2007·Granted Oct 30, 2012·8 cites·62 claims
- 0883US6239238B1Bis-phosphinimine catalystNOVA CHEM INT SA·Filed 1999·Granted May 29, 2001·29 cites·5 claims
- 0977US6440890B1Hydrocarbyl phosphinimine/cyclopentadienyl complexes of group IV metals and preparation thereofNOVA CHEM INT SA·Filed 2000·Granted Aug 27, 2002·10 cites·5 claims
- 1075US10005858B2Boron-bridged 2-indenyl metallocene complexes for olefin polymerizationSABIC GLOBAL TECHNOLOGIES BV·Filed 2015·Granted Jun 26, 2018·2 cites·13 claims
- 1171US9920086B2Ruthenium-based complexes, their preparation and use as catalystsLANXESS DEUTSCHLAND GMBH·Filed 2014·Granted Mar 20, 2018·2 cites·18 claims
- 1270US6239061B1Aluminum-phosphinimine complexes as catalysts for the (co)polymerization of ethyleneNOVA CHEM INT SA·Filed 1999·Granted May 29, 2001·30 cites·16 claims
- 1360US10253055B2Ruthenium-based triazole carbene complexesGOVERNING COUNCIL UNIV TORONTO·Filed 2015·Granted Apr 9, 2019·1 cites·20 claims
- 1456US11312677B2Synthesis of building blocks and feedstocks for manufacturing renewable polymersQATAR FOUND EDUCATION SCIENCE & COMMUNITY DEV·Filed 2018·Granted Apr 26, 2022·0 cites·19 claims
- 1550US9701703B2Transition metal complexes, their preparation and useLANXESS DEUTSCHLAND GMBH·Filed 2014·Granted Jul 11, 2017·0 cites·17 claims
- 1648US8642812B2Frustrated Lewis pair compositionsSTEPHAN DOUGLAS W·Filed 2012·Granted Feb 4, 2014·0 cites·21 claims
- 1729US9828401B2Ruthenium-based complex catalystsJESCHKO JULIA MARIA·Filed 2012·Granted Nov 28, 2017·0 cites·19 claims
- 1829US5726335AZirconium compounds, their preparation and their use as catalystsUNIV WINDSOR·Filed 1995·Granted Mar 10, 1998·0 cites·14 claims
- 1928US9738671B2Cyclic bent allene metal complexesGOVERNING COUNCIL UNIV TORONTO·Filed 2015·Granted Aug 22, 2017·0 cites·10 claims
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