Inventor · disambiguated record
Sai P. Shum
Also filed as: MOORE LUCAS · SHUM SAI · SHUM SAI P · SHUM SAI PING
42 granted patents·6 pending applications·313 citations·filing 1990–2020
98Inventor score
Top patents by PatentIndex Score
48 records- 0195US7468410B2Stabilization of polyolefins with liquid tris-(mono-alkyl)phenyl phosphitesCIBA SC HOLDING AG·Filed 2006·Granted Dec 23, 2008·62 cites·18 claims
- 0287US8304477B2Liquid oxyalkylene bridged bis- and Tris-phosphite ester mixturesKING ROSWELL E·Filed 2010·Granted Nov 6, 2012·17 cites·16 claims
- 0380US5276076AAmorphous solid modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl)phosphite]CIBA GEIGY CORP·Filed 1992·Granted Jan 4, 1994·17 cites·6 claims
- 0479US7291662B2Nonylcyclohexylphosphite ester polyolefin stabilizersCIBA SC HOLDING AG·Filed 2005·Granted Nov 6, 2007·3 cites·20 claims
- 0574US7361755B2Transition-metal-catalyzed process for the conversion of alkenes to sterically hindered substituted n-alkoxyaminesCIBA SC HOLDING AG·Filed 2002·Granted Apr 22, 2008·7 cites·9 claims
- 0672US5185448ASubstituted 1-oxy-4-acyloxypiperidine and 1-oxy-4-acylaminopiperidine stabilizersCIBA GEIGY CORP·Filed 1991·Granted Feb 9, 1993·18 cites·12 claims
- 0771US7066990B2Ink jet ink and recording materialCIBA SC HOLDING AG·Filed 2004·Granted Jun 27, 2006·9 cites·28 claims
- 0871US5373040AAmorphous solid modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl)phosphite]CIBA GEIGY CORP·Filed 1993·Granted Dec 13, 1994·11 cites·8 claims
- 0971US5334739AProcess an alpha monoclinic crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl)phosphite]CIBA GEIGY CORP·Filed 1992·Granted Aug 2, 1994·14 cites·5 claims
- 1070US5344860ABeta crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl) phosphite]CIBA GEIGY CORP·Filed 1993·Granted Sep 6, 1994·11 cites·11 claims
- 1168US6841668B2Polyoxometalate catalysts for the preparation of sterically hindered N-substituted aryloxyaminesCIBA SC HOLDING AG·Filed 2003·Granted Jan 11, 2005·4 cites·13 claims
- 1268US6547841B2Transition-metal-catalyzed process for the preparation of sterically hindered N-substituted alkoxy aminesCIBA SC HOLDING AG·Filed 2001·Granted Apr 15, 2003·4 cites·19 claims
- 1366US5391799AProcess for the preparation 6-chloro-2,4,8,10-tetra-butyldibenzo[d,f][1,3,2]dioxaphoshepinCIBA GEIGY CORP·Filed 1994·Granted Feb 21, 1995·14 cites·14 claims
- 1464US10655079B2Lubricant compositionBASF SE·Filed 2016·Granted May 19, 2020·0 cites·21 claims
- 1564US5817850AFerrocene bis(phosphonite) ligands and complexes for transition-metal-catalyzed reactionsCIBA SC HOLDING AG·Filed 1997·Granted Oct 6, 1998·23 cites·20 claims
- 1662US11046906B2Lubricant compositionBASF SE·Filed 2020·Granted Jun 29, 2021·0 cites·20 claims
- 1762US11001778B2Lubricant compositionBASF SE·Filed 2020·Granted May 11, 2021·0 cites·20 claims
- 1862US5486641ASolvent-free process for the preparation of the beta crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5',-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl) phosphite]CIBA GEIGY CORP·Filed 1995·Granted Jan 23, 1996·9 cites·4 claims
- 1960US10662390B2Lubricant compositionBASF SE·Filed 2016·Granted May 26, 2020·0 cites·18 claims
- 2059US6540795B2Candle wax stabilized with oxazolidinesCIBA SC HOLDING AG·Filed 2001·Granted Apr 1, 2003·4 cites·20 claims
- 2159US5292785ABis-phosphite stabilized compositionsCIBA GEIGY CORP·Filed 1992·Granted Mar 8, 1994·8 cites·12 claims
- 2258US5326802ABeta crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-buytl-1,1'-biphenyl-2,2'-diyl)phosphite]CIBA GEIGY CORP·Filed 1992·Granted Jul 5, 1994·6 cites·8 claims
- 2357US5654455ATris-phosphite ligands and their use in transitioin metal catalyzed processesCIBA GEIGY CORP·Filed 1995·Granted Aug 5, 1997·7 cites·15 claims
- 2457US5132426ASubstituted 3,7,9-trioxa-1-aza-2,8-diphosphaspiro(4,5)decanes and stabilized compositionsCIBA GEIGY CORP·Filed 1991·Granted Jul 21, 1992·7 cites·2 claims
- 2556US5489636AAmorphous modification of 1,1',1"-nitrilo(tri-2-propyl-tris-[2,2'-ethylidene-bis(4,6-di-tert-butylphenyl] phosphite)CIBA GEIGY CORP·Filed 1995·Granted Feb 6, 1996·12 cites·14 claims
- 2655US6579328B2Transition-metal-catalyzed process for the preparation of sterically hindered N-substituted aryloxyaminesCIBA SC HOLDING AG·Filed 2001·Granted Jun 17, 2003·4 cites·24 claims
- 2750US5405893AGamma crystalline modification of 2.2',2"-nitrilo[triethyl-tris-(3,3',5,5'-t'-biphenyl-2,2'-diyl) phosphite]CIBA GEIGY CORP·Filed 1994·Granted Apr 11, 1995·7 cites·7 claims
- 2850US2007088108A1Stabilization of polyolefins with liquid cyclic phosphitesEVANS SAMUEL·Filed 2006·Application pending·0 cites
- 2949US5331031AGamma crystalline modification of 2,2', 2"-nitrilo[triethyl-tris(3,3',5,5'-t'-biphenyl-2,2'-diyl) phosphite]CIBA GEIGY CORP·Filed 1993·Granted Jul 19, 1994·7 cites·6 claims
- 3049US5075482ASubstituted 3,7,9-trioxa-1-aza-2,8-diphosphaspiro[4.5]decanes and stabilized compositionsCIBA GEIGY CORP·Filed 1990·Granted Dec 24, 1991·7 cites·4 claims
- 3149US2019127526A1Antioxidant Polymeric Diphenylamine CompositionsBASF SE·Filed 2018·Application pending·0 cites
- 3249US2019127656A1Lubricant compositions comprising polymeric diphenylamine antioxidantsEXXONMOBIL RES & ENG CO·Filed 2018·Application pending·0 cites
- 3349US2010029844A1Liquid polymeric phosphites and phosphonites as stabilizersFINK JOCHEN·Filed 2007·Application pending·0 cites
- 3448US5512621AAlpha crystalline modification of 2,2',2"-nitrilo triethyl-tris-(3,3',5,5'-t'-biphenyl-2,2'-diyl) phosphite!CIBA GEIGY CORP·Filed 1993·Granted Apr 30, 1996·5 cites·11 claims
- 3548US2019144776A1Lubricant grease compositions comprising polymeric diphenylamine antioxidantsEXXONMOBIL RES & ENG CO·Filed 2018·Application pending·0 cites
- 3646US5624983AAmorphous modification of 1,1',1"-nitrilo(triethyl-tris-[2,2'-methylene-bis(4,6-di-tert-butylphenyl)] phosphite)CIBA GEIGY CORP·Filed 1995·Granted Apr 29, 1997·3 cites·14 claims
- 3742US2018265800A1Lubricant CompositionBASF SE·Filed 2016·Application pending·0 cites
- 3841US5475042ACyclic pyrophosphites and compositions stabilized therewithCIBA GEIGY CORP·Filed 1995·Granted Dec 12, 1995·2 cites·17 claims
- 3935US5534646ASubstituted 1,3,2,4-diazadiphosphetidines and compositions stabilized therewithCIBA GEIGY CORP·Filed 1994·Granted Jul 9, 1996·1 cites·4 claims
- 4035US5521237AAlkanolamine esters of acyclic phosphites in polyolefin compositionsCIBA GEIGY CORP·Filed 1994·Granted May 28, 1996·4 cites·10 claims
- 4135US5489635ACrystalline modification of 1, 1', 1"- Nitril0 (tri-2-propyl-tris-[2,2'- ethylidene-bis (4, 6-di-tert-butylphenyl]phosphite)CIBA GEIGY CORP·Filed 1995·Granted Feb 6, 1996·3 cites·15 claims
- 4235US5239103AProcess of making 3,7,9-trioxa-1-aza-2,8-diphosphaspiro[4,5]decanesCIBA GEIGY CORP·Filed 1992·Granted Aug 24, 1993·1 cites·2 claims
- 4334US5075484A3H-1,3,2-oxazaphospholidines and stabilized compositionsCIBA GEIGY CORP·Filed 1990·Granted Dec 24, 1991·1 cites·9 claims
- 4433US6103938AProcess for preparing 4-(substituted phenyl)-3,4-dihydro-2H-naphthalen-1-onesCIBA SC HOLDING AG·Filed 1999·Granted Aug 15, 2000·0 cites·11 claims
- 4531US6054614AProcess for the preparation of tetralone imines for the preparation of active pharmaceutical compoundsCIBA SC HOLDING AG·Filed 1998·Granted Apr 25, 2000·0 cites·16 claims
- 4631US5625090ACrystalline modification of 1,1',1"-nitrilo{triethyl-tris-[2,2'-methylene-bis(4,6-di-tert-butylphenyl)]phosphite}CIBA GEIGY CORP·Filed 1995·Granted Apr 29, 1997·1 cites·5 claims
- 4731US5187213AStabilized copositions comprising 3,7,9-trioxa-1-aza-2,8-diphosphaspiro[4,5]decanesCIBA GEIGY CORP·Filed 1992·Granted Feb 16, 1993·0 cites·13 claims
- 4830US5147910ACompositions stabilized with 3H-1,3,2-oxozaphospholidinesCIBA GEIGY CORP·Filed 1991·Granted Sep 15, 1992·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →