Inventor · disambiguated record
Thomas B. K. Lee
Also filed as: LEE THOMAS B · LEE THOMAS B K · LEE THOMAS BIN KIN · LEE THOMAS BING KIN
52 granted patents·759 citations·filing 1977–2003
98Inventor score
Files withBASF CORP22HOECHST ROUSSEL PHARMA17HOECHST CO AMERICAN6HOECHST MARION ROUSSEL INC4AVENTIS PHARMA INC1
Top patents by PatentIndex Score
52 records- 0194US6201035B1Use of low unsaturated polyether polyols in high resilience slabstock foam applicationsBASF CORP·Filed 2000·Granted Mar 13, 2001·59 cites·22 claims
- 0292US5770635APolyol composition having good flow and formic acid blown rigid polyurethane foams made thereby having good dimensional stabilityBASF CORP·Filed 1995·Granted Jun 23, 1998·62 cites·19 claims
- 0392US5478494APolyol composition having good flow and formic acid blown rigid polyurethane foams made thereby having good dimensional stabilityBASF CORP·Filed 1993·Granted Dec 26, 1995·60 cites·45 claims
- 0490US5798533APolyol compositions having good flow and water blown rigid polyurethane foams made thereby having good dimensional stabilityBASF CORP·Filed 1995·Granted Aug 25, 1998·52 cites·27 claims
- 0589US5648019AThree component polyol blend for use in insulating rigid polyurethane foamsBASF CORP·Filed 1996·Granted Jul 15, 1997·49 cites·13 claims
- 0687US5684057AThree component polyol blend for use in insulating rigid polyurethane foamsBASF CORP·Filed 1996·Granted Nov 4, 1997·42 cites·14 claims
- 0785US7238730B2Viscoelastic polyurethane foamBASF CORP·Filed 2003·Granted Jul 3, 2007·27 cites·25 claims
- 0881US5453455ARigid polyurethane foams containing lithium salts for energy absorbing applicationsBASF CORP·Filed 1993·Granted Sep 26, 1995·28 cites·7 claims
- 0980US5677359AThree component polyol blend for use in insulating rigid polyurethane foamsBASF CORP·Filed 1996·Granted Oct 14, 1997·29 cites·13 claims
- 1077US5686500APolyol composition having good flow and water blown rigid polyurethane foams made thereby having good dimensional stabilityBASF CORP·Filed 1995·Granted Nov 11, 1997·27 cites·3 claims
- 1176US5459274APreparation of N-alkyl-N-pyridinyl-1H-indol-1-aminesHOECHST ROUSSEL PHARMA·Filed 1994·Granted Oct 17, 1995·15 cites·55 claims
- 1271US5998574ACompositions of polytetramethylene ether glycols and polyoxy alkylene polyether polyols having a low degree of unsaturationBASF CORP·Filed 1996·Granted Dec 7, 1999·20 cites·20 claims
- 1371US4118401APreparation of 6,11-dihydro-11-oxodibenz[b,e]oxepin-2-acetic acid and precursors thereforHOECHST CO AMERICAN·Filed 1977·Granted Oct 3, 1978·7 cites·1 claims
- 1470US6020451ACompositions of polytetramethylene ether glycols and polyoxy alkylene polyether polyols having a low degree of unsaturationBASF CORP·Filed 1997·Granted Feb 1, 2000·19 cites·20 claims
- 1570US5523333APolyol compositions and rigid polyisocyanate based foams containing 2-chloropropane and aliphatic hydrocarbon blowing agentsBASF CORP·Filed 1995·Granted Jun 4, 1996·22 cites·14 claims
- 1670US5455354AMethod of preparation of physostigmine carbamate derivatives from eseretholesHOECHST ROUSSEL PHARMA·Filed 1994·Granted Oct 3, 1995·22 cites·15 claims
- 1768US5248703ARigid polyurethane foams containing lithium salts for energy absorbing applicationsBASF CORP·Filed 1992·Granted Sep 28, 1993·21 cites·20 claims
- 1868US4304941AMethod of preparing poly-substituted acylbenzenesHOECHST ROUSSEL PHARMA·Filed 1980·Granted Dec 8, 1981·10 cites·6 claims
- 1967US5665880AMethod of preparation of physostigmine carbamate derivatives from eseretholesHOECHST MARION ROUSSEL INC·Filed 1996·Granted Sep 9, 1997·11 cites·10 claims
- 2067US5470501AProcessability of hydrocarbon blown, polyisocyanate based foams through use of a compatibilizing agentBASF CORP·Filed 1995·Granted Nov 28, 1995·15 cites·12 claims
- 2167US5302721AMethod of preparation of physostigmine carbamate derivatives from eseretholesHOECHST ROUSSEL PHARMA·Filed 1992·Granted Apr 12, 1994·18 cites·14 claims
- 2266US5677457AMethod of preparation of physostigmine carbamate derivatives from eseroline ethersHOECHST MARION ROUSSEL INC·Filed 1996·Granted Oct 14, 1997·12 cites·21 claims
- 2366US5260347ALow density, water-blown, rigid polyurethane foams having good physical properties and improved initial surface friabilityBASF CORP·Filed 1992·Granted Nov 9, 1993·15 cites·2 claims
- 2464US5387695AProcess for the chemical resolution of 5-alkoxy-substituted (+)-1,3-dimethyloxindolylethylaminesHOECHST ROUSSEL PHARMA·Filed 1993·Granted Feb 7, 1995·8 cites·25 claims
- 2564US5274117AProcess for the enantioselective synthesis of intermediates used in the preparation of physostigmineHOECHST ROUSSEL PHARMA·Filed 1992·Granted Dec 28, 1993·8 cites·53 claims
- 2664US4211877AMethod of preparation of isopropyl 4,10-dihydro-10-oxothieno[3,2-c][1]benzoxepin-8-acetateHOECHST CO AMERICAN·Filed 1979·Granted Jul 8, 1980·4 cites·7 claims
- 2763US5523332AProcessability of hydrocarbon blown, polyisocyanate based foams through use of a compatibilizing agentBASF CORP·Filed 1995·Granted Jun 4, 1996·15 cites·15 claims
- 2859US5521320AProcess for the enantioselective synthesis of intermediates used in the preparation of physostigmineHOECHST ROUSSEL PHARMA·Filed 1993·Granted May 28, 1996·6 cites·3 claims
- 2959US5258418ALow density, water-blown, rigid polyurethane foams having good physical properties and improved initial surface friabilityBASF CORP·Filed 1993·Granted Nov 2, 1993·11 cites·5 claims
- 3058US5258416ARigid polyurethane foams containing lithium salts for energy absorbing applicationsBASF CORP·Filed 1993·Granted Nov 2, 1993·13 cites·26 claims
- 3158US5155226AMethod for the preparation of 9-amino-1,2,3,4-tetrahydroacridineHOECHST ROUSSEL PHARMA·Filed 1991·Granted Oct 13, 1992·6 cites·5 claims
- 3258US4417063AProcess for preparation of 6,11-dihydro-11-oxodibenz[b,e]oxepinacetic acidsHOECHST ROUSSEL PHARMA·Filed 1981·Granted Nov 22, 1983·4 cites·10 claims
- 3355US5504125AProcessability of hydrocarbon blown, polyisocyanate based foams through use of a compatibilizing agentBASF CORP·Filed 1995·Granted Apr 2, 1996·9 cites·17 claims
- 3454US4175209APreparation of 6,11-dihydro-11-oxodibenz[b,e]-oxepin-2-acetic acid and precursors thereforHOECHST CO AMERICAN·Filed 1978·Granted Nov 20, 1979·2 cites·1 claims
- 3553US5734062AMethod of preparation of physostigmine carbamate derivatives from eseretholesHOECHST MARION ROUSSEL INC·Filed 1997·Granted Mar 31, 1998·4 cites·7 claims
- 3652US6512125B1Preparation of 1H-indol-1-aminesAVENTIS PHARMA INC·Filed 1995·Granted Jan 28, 2003·4 cites·12 claims
- 3751US4160781A4-Benzyloxy-3-(chlorocarbonyl)-phenylacetyl chlorideHOECHST CO AMERICAN·Filed 1978·Granted Jul 10, 1979·2 cites·1 claims
- 3850US5053513AMethod of reducing a carbonyl containing acridineHOECHST ROUSSEL PHARMA·Filed 1990·Granted Oct 1, 1991·4 cites·17 claims
- 3950US4374067AIntermediates for the preparation of 4-phenyl-1,3-benzodiazepins and methods for preparing the intermediatesHOECHST ROUSSEL PHARMA·Filed 1981·Granted Feb 15, 1983·2 cites·8 claims
- 4045US5498726APreparation of physostigmine carbamate derivatives from physostigmineHOECHST ROUSSEL PHARMA·Filed 1994·Granted Mar 12, 1996·7 cites·25 claims
- 4142US4496732AStereoselective reduction of 2- or 3-substituted 4-piperidones with sodium borohydrideHOECHST ROUSSEL PHARMA·Filed 1983·Granted Jan 29, 1985·1 cites·20 claims
- 4241US4709093AMethod for the preparation of 4-phenyl-1,3-benzodiazepines and precursors thereofHOECHST ROUSSEL PHARMA·Filed 1985·Granted Nov 24, 1987·1 cites·1 claims
- 4339US4153790A4-Benzyloxy-3-(benzyloxy carbonyl)phenylthioacetmorpholideHOECHST CO AMERICAN·Filed 1978·Granted May 8, 1979·0 cites·1 claims
- 4439US4153791A3-Carboxy-4 hydroxyphenylthioacetmorpholideHOECHST CO AMERICAN·Filed 1978·Granted May 8, 1979·0 cites·1 claims
- 4538US5047441ARigid polyurethane foams prepared from polyvinyl acetate/allyl alcohol polyols, and process for making sameBASF CORP·Filed 1989·Granted Sep 10, 1991·3 cites·27 claims
- 4638US4461728APreparation of 4-phenyl-1,3-benzodiazepinsHOECHST ROUSSEL PHARMA·Filed 1982·Granted Jul 24, 1984·1 cites·6 claims
- 4737US5840915AProcess for the enatioselective synthesis of intermediates usedHOECHST MARION ROUSSEL INC·Filed 1997·Granted Nov 24, 1998·1 cites·18 claims
- 4835US5349086AMethod for the preparation of 4-phenyl-1,3-benzodiazepins and precursors thereofHOECHST ROUSSEL PHARMA·Filed 1992·Granted Sep 20, 1994·0 cites·10 claims
- 4934US5489681AMethod for the preparation of 4-phenyl-1,3-benzodiazepinsHOESCHST ROUSSEL PHARMACEUTICA·Filed 1994·Granted Feb 6, 1996·0 cites·9 claims
- 5032US5468420APolyol compositions and rigid polyisocyanate based foams containing 2-chloropropane and aliphatic hydrocarbon blowing agentsBASF CORP·Filed 1995·Granted Nov 21, 1995·1 cites·10 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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