Inventor · disambiguated record
Bi Le-Khac
Also filed as: LE-KHAC BI
69 granted patents·5 pending applications·3,354 citations·filing 1982–2009
99Inventor score
Files withARCO CHEM TECH38LYONDELL CHEMICAL TECH LP11ATLANTIC RICHFIELD CO6ARCO CHEM CO4BAYER MATERIALSCIENCE LLC3
Top patents by PatentIndex Score
74 records- 0199US5482908AHighly active double metal cyanide catalystsARCO CHEM TECH·Filed 1994·Granted Jan 9, 1996·502 cites·30 claims
- 0299US5470813ADouble metal cyanide complex catalystsARCO CHEM TECH·Filed 1993·Granted Nov 28, 1995·805 cites·36 claims
- 0396US5714428ADouble metal cyanide catalysts containing functionalized polymersARCO CHEM TECH·Filed 1996·Granted Feb 3, 1998·105 cites·8 claims
- 0496US5545601APolyether-containing double metal cyanide catalystsARCO CHEM TECH·Filed 1995·Granted Aug 13, 1996·160 cites·14 claims
- 0596US5151465APolymer compositions and absorbent fibers produced therefromARCO CHEM TECH·Filed 1991·Granted Sep 29, 1992·95 cites·22 claims
- 0695US5627120AHighly active double metal cyanide catalystsARCO CHEM TECH·Filed 1996·Granted May 6, 1997·130 cites·16 claims
- 0794US5712216AHighly active double metal cyanide complex catalystsARCO CHEM TECH·Filed 1995·Granted Jan 27, 1998·82 cites·3 claims
- 0893US6696383B1Double-metal cyanide catalysts which can be used to prepare polyols and the processes related theretoBAYER POLYMERS LLC·Filed 2002·Granted Feb 24, 2004·35 cites·14 claims
- 0993US5693584AHighly active double metal cyanide catalystsARCO CHEM TECH·Filed 1996·Granted Dec 2, 1997·60 cites·10 claims
- 1093US5536883AHighly active double metal cyanide catalysts and epoxide polymerizationARCO CHEM TECH·Filed 1995·Granted Jul 16, 1996·110 cites·14 claims
- 1191US6018017AHighly active double metal cyanide catalystsARCO CHEM TECH·Filed 1997·Granted Jan 25, 2000·86 cites·4 claims
- 1291US4880868AExtended shelf life water-absorbing composition which facilitates fiber formationARCO CHEM TECH·Filed 1987·Granted Nov 14, 1989·39 cites·31 claims
- 1391US4813945AUltrahigh water-absorbing fiber forming compositionARCO CHEM TECH·Filed 1988·Granted Mar 21, 1989·40 cites·7 claims
- 1490US7615654B2Direct epoxidation processLYONDELL CHEMICAL TECH LP·Filed 2005·Granted Nov 10, 2009·8 cites·20 claims
- 1589US7501532B1Process for producing hydrogen peroxideLYONDELL CHEMICAL TECH LP·Filed 2007·Granted Mar 10, 2009·10 cites·19 claims
- 1689US6815513B2Process for preparing comb-branched polymersARCO CHEM TECH·Filed 2001·Granted Nov 9, 2004·27 cites·2 claims
- 1789US6214958B1Process for preparing comb-branched polymersARCO CHEM TECH·Filed 1999·Granted Apr 10, 2001·52 cites·5 claims
- 1889US5731407ADouble metal cyanide complex catalystsARCO CHEM TECH·Filed 1995·Granted Mar 24, 1998·41 cites·3 claims
- 1989US5637673APolyether-containing double metal cyanide catalystsARCO CHEM TECH·Filed 1996·Granted Jun 10, 1997·71 cites·12 claims
- 2088US6958405B2Polymer-encapsulated titanium zeolites for oxidation reactionsARCO CHEM TECH·Filed 2004·Granted Oct 25, 2005·31 cites·18 claims
- 2188US5900384ADouble metal cyanide catalystsARCO CHEM TECH·Filed 1996·Granted May 4, 1999·79 cites·14 claims
- 2288US5589431ADouble metal cyanide complex catalystsARCO CHEM TECH·Filed 1995·Granted Dec 31, 1996·38 cites·9 claims
- 2387US5789626AHighly active double metal cyanide catalystsARCO CHEM TECH·Filed 1997·Granted Aug 4, 1998·64 cites·9 claims
- 2486US6884826B2Process for preparing double metal cyanide catalyzed polyolsBAYER ANTWERP N V·Filed 2003·Granted Apr 26, 2005·38 cites·26 claims
- 2585US5627122AHighly active double metal cyanide complex catalystsARCO CHEM TECH·Filed 1995·Granted May 6, 1997·37 cites·25 claims
- 2684US6063897AAcid-treated double metal cyanide complex catalystsARCO CHEM TECH·Filed 1998·Granted May 16, 2000·40 cites·21 claims
- 2783US4605700AThermodynamically miscible polymer compositionATLANTIC RICHFIELD CO·Filed 1985·Granted Aug 12, 1986·35 cites·16 claims
- 2882US7453003B1Direct epoxidation catalyst and processLYONDELL CHEMICAL TECH LP·Filed 2007·Granted Nov 18, 2008·5 cites·15 claims
- 2982US5767323AProcess for preparing polyoxyalkylene polyether polyols having low levels of transition metals through double metal cyanide complex polyoxyalkylationARCO CHEM TECH·Filed 1995·Granted Jun 16, 1998·51 cites·20 claims
- 3081US7432384B2Direct epoxidation processLYONDELL CHEMICAL TECH LP·Filed 2005·Granted Oct 7, 2008·5 cites·20 claims
- 3179US5780584AHighly active double metal cyanide complex catalystsARCO CHEM TECH·Filed 1997·Granted Jul 14, 1998·42 cites·3 claims
- 3279US5239007AOil-absorbent compositionsARCO CHEM TECH·Filed 1991·Granted Aug 24, 1993·30 cites·15 claims
- 3378US7030255B2Oxidation process with in-situ H202 generation and polymer-encapsulated catalysts thereforLYONDELL CHEMICAL TECH LP·Filed 2004·Granted Apr 18, 2006·15 cites·24 claims
- 3478US4788237ASugar-containing water-absorbing composition which facilitates fiber formationARCO CHEM CO·Filed 1986·Granted Nov 29, 1988·23 cites·37 claims
- 3577US4522983APolymeric molding compositionATLANTIC RICHFIELD CO·Filed 1983·Granted Jun 11, 1985·24 cites·8 claims
- 3677US4408010APolyblend of styrene copolymers and molded article produced therefromATLANTIC RICHFIELD CO·Filed 1982·Granted Oct 4, 1983·26 cites·8 claims
- 3775US4616063AWater absorbent polymer compositionATLANTIC RICHFIELD CO·Filed 1985·Granted Oct 7, 1986·25 cites·9 claims
- 3874US5525565AFoam-supported double metal cyanide catalysts for polyol synthesisARCO CHEM TECH·Filed 1994·Granted Jun 11, 1996·18 cites·4 claims
- 3973US4705773AWater absorbent polymer compositionATLANTIC RICHFIELD CO·Filed 1986·Granted Nov 10, 1987·23 cites·4 claims
- 4070US7357909B2Process for producing hydrogen peroxideLYONDELL CHEMICAL TECH LP·Filed 2006·Granted Apr 15, 2008·1 cites·18 claims
- 4170US5523386APlastic foam-supported double metal cyanide catalysts for polyether polyol synthesisARCO CHEM TECH·Filed 1995·Granted Jun 4, 1996·19 cites·4 claims
- 4268US7718158B2Polymer-encapsulated ion-exchange resinLYONDELL CHEMICAL TECH LP·Filed 2005·Granted May 18, 2010·1 cites·13 claims
- 4368US5026784APolymer compositions and absorbent fibers produced therefromARCO CHEM TECH·Filed 1990·Granted Jun 25, 1991·17 cites·4 claims
- 4467US7528269B2Process for oxidizing organic compoundsLYONDELL CHEMICAL TECH LP·Filed 2005·Granted May 5, 2009·1 cites·14 claims
- 4567US7288237B2Epoxidation catalystLYONDELL CHEMICAL TECH LP·Filed 2005·Granted Oct 30, 2007·8 cites·25 claims
- 4666US6013596ADouble metal cyanide catalysts containing cyclic, bidentate complexing agentsARCO CHEM TECH·Filed 1998·Granted Jan 11, 2000·18 cites·21 claims
- 4764US5498583APolyurethane foam-supported double metal cyanide catalysts for polyol synthesisARCO CHEM TECH·Filed 1994·Granted Mar 12, 1996·13 cites·24 claims
- 4864US5426081APolyurethane foam-supported double metal cyanide catalysts for polyol synthesisARCO CHEM TECH·Filed 1993·Granted Jun 20, 1995·13 cites·14 claims
- 4961US6028230AEpoxide polymerization processARCO CHEM TECH·Filed 1998·Granted Feb 22, 2000·21 cites·21 claims
- 5061US4493920APolymer compositionsATLANTIC RICHFIELD CO·Filed 1983·Granted Jan 15, 1985·14 cites·22 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →