Inventor · disambiguated record
Willem Sjardijn
Also filed as: SJARDIJN WILLEM
20 granted patents·459 citations·filing 1974–1999
96Inventor score
Top patents by PatentIndex Score
20 records- 0197US4414132AOlefin polymerization catalyst compositions and a process for the polymerization of olefins employing such compositionsSHELL OIL CO·Filed 1981·Granted Nov 8, 1983·114 cites·31 claims
- 0295US4329253AOlefin polymerization catalyst component and composition and method of preparationSHELL OIL CO·Filed 1980·Granted May 11, 1982·88 cites·22 claims
- 0394US4393182AOlefin polymerization process with novel supported titanium catalyst compositionsSHELL OIL CO·Filed 1981·Granted Jul 12, 1983·60 cites·21 claims
- 0489US4400302AOlefin polymerization catalyst compositions and a process for the polymerization of olefins employing such compositionsSHELL OIL CO·Filed 1980·Granted Aug 23, 1983·34 cites·32 claims
- 0588US4729976APolymer of dicyclopentadiene and a process for preparationSHELL OIL CO·Filed 1986·Granted Mar 8, 1988·37 cites·8 claims
- 0676US5093441APolymerization of norbornene derivativesSHELL OIL CO·Filed 1990·Granted Mar 3, 1992·14 cites·18 claims
- 0773US4810762APolymer of dicyclopentadiene and a process for preparationSHELL OIL CO·Filed 1987·Granted Mar 7, 1989·17 cites·20 claims
- 0866US5081208APolymerization of dicyclopentadieneSHELL OIL CO·Filed 1990·Granted Jan 14, 1992·14 cites·23 claims
- 0966US4195069APreparation of violet TiCl3SHELL OIL CO·Filed 1977·Granted Mar 25, 1980·14 cites·9 claims
- 1061US4994426ACatalyst and process for polymerization of norbornene derivativesSHELL OIL CO·Filed 1989·Granted Feb 19, 1991·10 cites·7 claims
- 1155US5028672ACatalyst and process for polymerization of norbornene derivativesSHELL OIL CO·Filed 1990·Granted Jul 2, 1991·8 cites·15 claims
- 1254US5824752AProcess for the preparation of advanced resinsSHELL OIL CO·Filed 1997·Granted Oct 20, 1998·10 cites·9 claims
- 1350US5248745ACopolymerization of dicyclopentadiene with norbornene derivativesSHELL OIL CO·Filed 1992·Granted Sep 28, 1993·7 cites·16 claims
- 1449US5229472AAnionic extruder polymerization processSHELL OIL CO·Filed 1992·Granted Jul 20, 1993·9 cites·8 claims
- 1546US6262189B1Advanced epoxy resin from mixing polyepoxide and OH- or COOH-compound as feedstreamSHELL OIL CO·Filed 1999·Granted Jul 17, 2001·7 cites·9 claims
- 1643US3979372APreparation of titanium trichloride polymerization catalyst componentSHELL OIL CO·Filed 1974·Granted Sep 7, 1976·6 cites·7 claims
- 1740US6022931AAdvanced epoxy resinsSHELL OIL CO·Filed 1998·Granted Feb 8, 2000·5 cites·9 claims
- 1839US5344804APolymerization of cycloolefins and catalytic system suitable for use thereinSHELL RES LTD·Filed 1992·Granted Sep 6, 1994·3 cites·9 claims
- 1936US5180867ACopolymerization of dicyclopentadiene with norbornene derivativesSHELL OIL CO·Filed 1989·Granted Jan 19, 1993·2 cites·4 claims
- 2029US5109073AProcess for the preparation of polymer blendsSHELL OIL CO·Filed 1989·Granted Apr 28, 1992·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →