Inventor · disambiguated record
Keng-Yu Shih
Also filed as: SHIH KENG-YU
11 granted patents·2 pending applications·531 citations·filing 1996–2003
93Inventor score
Technology areasC08F
Top patents by PatentIndex Score
13 records- 0196US6734131B2Heterogeneous chromium catalysts and processes of polymerization of olefins using sameGRACE W R & CO·Filed 2002·Granted May 11, 2004·91 cites·54 claims
- 0295US6399535B1Coordination catalyst systems employing agglomerated metal oxide/clay support-activator and method of their preparationGRACE W R & CO·Filed 1999·Granted Jun 4, 2002·100 cites·64 claims
- 0393US6686306B2Supported dual transition metal catalyst systemsGRACE W R & CO·Filed 2002·Granted Feb 3, 2004·54 cites·81 claims
- 0493US6559090B1Metallocene and constrained geometry catalyst systems employing agglomerated metal oxide/clay support-activator and method of their preparationGRACE W R & CO·Filed 1999·Granted May 6, 2003·82 cites·75 claims
- 0591US6087293ASupported catalyst containing tethered cation forming activatorDOW CHEMICAL CO·Filed 1996·Granted Jul 11, 2000·81 cites·14 claims
- 0690US6943224B2Process for preparing supported transition metal catalyst systems and catalyst systems prepared therebyGRACE W R & CO·Filed 2002·Granted Sep 13, 2005·38 cites·43 claims
- 0786US6958375B2Chromium support-agglomerate-transition metal polymerization catalysts and processes utilizing sameGRACE W R & CO·Filed 2002·Granted Oct 25, 2005·28 cites·71 claims
- 0876US6184171B1Supported bidentate and tridentate catalyst compositions and olefin polymerization using sameGRACE W R & CO·Filed 1998·Granted Feb 6, 2001·32 cites·72 claims
- 0970US6927261B2Method of making supported transition metal polymerization catalysts and compositions formed therefromGRACE W R & CO·Filed 2002·Granted Aug 9, 2005·10 cites·67 claims
- 1067US6946420B2Coordination catalyst systems employing chromium support-agglomerate and method of their preparationGRACE W R & CO·Filed 2002·Granted Sep 20, 2005·8 cites·42 claims
- 1161US7291575B2Active, heterogeneous bi- or tri-dentate catalystSHIH KENG YU·Filed 2003·Granted Nov 6, 2007·7 cites·98 claims
- 1243US2003171207A1Metallocene and constrained geometry catalyst systems employing agglomerated metal oxide/clay support-activator and method of their preparationFiled 2003·Application pending·0 cites
- 1342US2003096698A1Coordination catalyst systems employing agglomerated metal oxide/clay support-activator and method of their preparationGRACE W R & CO·Filed 2002·Application pending·0 cites
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