Inventor · disambiguated record
Rupert Edward Von Haken Spence
Also filed as: SPENCE RUPERT EDWARD VON HAKEN · VON HAKEN SPENCE RUPERT E · VON HAKEN SPENCE RUPERT EDWARD
11 granted patents·303 citations·filing 1995–2001
92Inventor score
Top patents by PatentIndex Score
11 records- 0190US6649558B2Bis-phosphinimine catalystNOVA CHEM INT SA·Filed 2001·Granted Nov 18, 2003·33 cites·14 claims
- 0290US6355744B1Cyclopentadienyl/phosphinimine catalyst with one and only one activatable ligandNOVA CHEM INT SA·Filed 2000·Granted Mar 12, 2002·30 cites·4 claims
- 0387US6114481ACatalyst having a ketimide ligandNOVA CHEM INT SA·Filed 1998·Granted Sep 5, 2000·86 cites·6 claims
- 0483US6239238B1Bis-phosphinimine catalystNOVA CHEM INT SA·Filed 1999·Granted May 29, 2001·29 cites·5 claims
- 0580US6420300B1Catalyst having a ketimide ligandNOVA CHEM INT SA·Filed 2000·Granted Jul 16, 2002·15 cites·11 claims
- 0680US5496960AProcess for production of bis-(pentafluorophenyl) borane and use thereof for producition of base free zwitterionic homogeneous Ziegler-Natta olefin polymerization catalystsUNIV GUELPH·Filed 1995·Granted Mar 5, 1996·29 cites·19 claims
- 0778US6147172APhosphinimine/heteroatom catalyst componentNOVA CHEM INT SA·Filed 1999·Granted Nov 14, 2000·35 cites·19 claims
- 0877US6440890B1Hydrocarbyl phosphinimine/cyclopentadienyl complexes of group IV metals and preparation thereofNOVA CHEM INT SA·Filed 2000·Granted Aug 27, 2002·10 cites·5 claims
- 0959US6234950B1Nitrogen substituted phosphinimine ligandNOVA CHEM INT SA·Filed 1999·Granted May 22, 2001·25 cites·8 claims
- 1049US6051667AOlefin polymerization using a catalyst having a bridged cyclopentadienyl-phosphole ligandNOVA CHEM INT SA·Filed 1998·Granted Apr 18, 2000·4 cites·14 claims
- 1146US6221985B1Solution polymerization of ethyleneNOVA CHEMICAL INTERNATIONAL S·Filed 1999·Granted Apr 24, 2001·7 cites·12 claims
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