Inventor · disambiguated record
Wei-Yang Su
Also filed as: SU WEI-YANG
73 granted patents·3 pending applications·661 citations·filing 1986–2022
99Inventor score
Files withTEXACO CHEMICAL41HUNTSMAN SPEC CHEM CORP12HUNTSMAN PETROCHEMICAL LLC9TEXACO INC7HUNTSMAN CORP2
Top patents by PatentIndex Score
76 records- 0189US5086162APolyether amide from polyalkylene glycol diamine and diacid mixtureTEXACO CHEMICAL·Filed 1990·Granted Feb 4, 1992·42 cites·17 claims
- 0289US5053484APolyether amide from mixture of polyether diamineTEXACO CHEMICAL·Filed 1990·Granted Oct 1, 1991·45 cites·16 claims
- 0387US4927942AMethod for the preparation of imidazolesTEXACO CHEMICAL·Filed 1988·Granted May 22, 1990·21 cites·13 claims
- 0486US12195580B2Curing agent for epoxy resinsHUNTSMAN PETROCHEMICAL LLC·Filed 2022·Granted Jan 14, 2025·0 cites·12 claims
- 0586US12091495B2Curing agent for epoxy resinsHUNTSMAN PETROCHEMICAL LLC·Filed 2022·Granted Sep 17, 2024·0 cites·17 claims
- 0685US4910303AProcess for preparing oxazine derivativesTEXACO CHEMICAL·Filed 1988·Granted Mar 20, 1990·19 cites·2 claims
- 0784US5118785APreparation of polyether amide from tetraethylene glycol diamine and terephthalic acidTEXACO CHEMICAL·Filed 1990·Granted Jun 2, 1992·29 cites·5 claims
- 0880US5041664AContinuous process for preparing quaternary ammonium saltsTEXACO CHEMICAL·Filed 1990·Granted Aug 20, 1991·17 cites·6 claims
- 0979US5145563ADehydration of propylene oxide by extracting distillationTEXACO CHEMICAL·Filed 1991·Granted Sep 8, 1992·20 cites·4 claims
- 1078US5130382AHydroxy terminated polyoxypropylene polyamidesTEXACO CHEMICAL·Filed 1990·Granted Jul 14, 1992·26 cites·20 claims
- 1177US5003084AProcess for preparing alkylene carbonatesTEXACO CHEMICAL·Filed 1990·Granted Mar 26, 1991·15 cites·17 claims
- 1275US11292981B2Emulsifier for lubricating oil concentrateHUNTSMAN PETROCHEMICAL LLC·Filed 2019·Granted Apr 5, 2022·0 cites·8 claims
- 1375US6063145AFuel compositions containing etheramine alkoxylatesHUNTSMAN SPEC CHEM CORP·Filed 1998·Granted May 16, 2000·14 cites·19 claims
- 1475US6060625AProcess for the production of etheramine alkoxylatesHUNTSMAN SPEC CHEM CORP·Filed 1999·Granted May 9, 2000·16 cites·20 claims
- 1575US5362914ADecolorization of polyethylene polyamines using cobalt/copper/chromiumTEXACO CHEM INC·Filed 1993·Granted Nov 8, 1994·13 cites·14 claims
- 1674US5091572AAmine terminated polyamidesTEXACO CHEMICAL·Filed 1989·Granted Feb 25, 1992·20 cites·8 claims
- 1772US11518845B2Curing agent for epoxy resinsHUNTSMAN PETROCHEMICAL LLC·Filed 2018·Granted Dec 6, 2022·0 cites·11 claims
- 1872US5364971ADecolorization of polyethylene polyamines using rutheniumTEXACO CHEM INC·Filed 1993·Granted Nov 15, 1994·11 cites·14 claims
- 1972US5001267ASecondary alkyl amine derivatives of ethylenediamineTEXACO CHEMICAL·Filed 1989·Granted Mar 19, 1991·19 cites·4 claims
- 2072US4946933AElastomeric polyamide hot melt adhesive from low molecular weight polyoxyethylene diamineTEXACO CHEMICAL·Filed 1989·Granted Aug 7, 1990·32 cites·11 claims
- 2171US11542364B2Curing agent for epoxy resinsHUNTSMAN PETROCHEMICAL LLC·Filed 2018·Granted Jan 3, 2023·0 cites·11 claims
- 2271US9352271B2Sterically hindered amines and associated methodsSU WEI-YANG·Filed 2011·Granted May 31, 2016·1 cites·15 claims
- 2371US7169268B2Color stabilization of aminesHUNTSMAN SPEC CHEM CORP·Filed 2003·Granted Jan 30, 2007·10 cites·5 claims
- 2470US6210452B1Fuel additivesHUNTSMAN SPEC CHEM CORP·Filed 2000·Granted Apr 3, 2001·6 cites·21 claims
- 2570US5030710ANylon-6 modified with low molecular weight polyethylene glycol diaminesTEXACO CHEMICAL·Filed 1990·Granted Jul 9, 1991·16 cites·18 claims
- 2669US5138097AAmine terminated polyamidesTEXACO CHEMICAL·Filed 1991·Granted Aug 11, 1992·16 cites·7 claims
- 2768US5140097AThermoplastic thermosettable polyamide from poly(oxytetramethylene) diamine and poly(oxytetramethylene) oligomer polyamineTEXACO CHEMICAL·Filed 1990·Granted Aug 18, 1992·16 cites·15 claims
- 2866US5091585AContinuous preparatin of tertiary aliphatic methyl aminesTEXACO CHEMICAL·Filed 1990·Granted Feb 25, 1992·8 cites·14 claims
- 2963US9987588B2Sterically hindered amines and associated methodsHUNTSMAN PETROCHEMICAL LLC·Filed 2017·Granted Jun 5, 2018·0 cites·15 claims
- 3063US7304183B2Co-production of cyclohexylamine and bis(para-aminocyclohexyl) methaneHUNTSMAN SPEC CHEM CORP·Filed 2005·Granted Dec 4, 2007·1 cites·22 claims
- 3163US6888030B2Advances in aminationHUNTSMAN SPEC CHEM CORP·Filed 2002·Granted May 3, 2005·5 cites·6 claims
- 3262US5861051AProcess for removing carbon dioxide from gas mixtureHUNTSMAN SPEC CHEM CORP·Filed 1996·Granted Jan 19, 1999·29 cites·21 claims
- 3361US9700832B2Sterically hindered amines and associated methodsHUNTSMAN PETROCHEMICAL LLC·Filed 2016·Granted Jul 11, 2017·0 cites·7 claims
- 3461US5288873AAminated alkoxylated imidazolidonesTEXACO CHEMICAL·Filed 1992·Granted Feb 22, 1994·11 cites·7 claims
- 3561US4788289AProcess for preparing pyrazines from hydroxyaminesTEXACO INC·Filed 1986·Granted Nov 29, 1988·5 cites·12 claims
- 3661US4670557AProcess for preparing hydroxymorpholinesTEXACO INC·Filed 1986·Granted Jun 2, 1987·5 cites·13 claims
- 3760US5183514AProcess for dissolving or removing rigid polyurethane foam by contacting with 1,2-dimethyl imidazoleTEXACO CHEMICAL·Filed 1991·Granted Feb 2, 1993·15 cites·10 claims
- 3860US2015051132A1Emulsifier for Lubricating Oil ConcentrateLI XIAOLONG·Filed 2012·Application pending·0 cites
- 3959US4931528A1-isopropyl-2-methyl imidazole as an epoxy resin curativeTEXACO CHEMICAL·Filed 1989·Granted Jun 5, 1990·10 cites·5 claims
- 4058US7074963B2Preparation of secondary aminesHUNTSMAN SPEC CHEM CORP·Filed 2003·Granted Jul 11, 2006·3 cites·18 claims
- 4158US4983565ACatalyst for the preparation of linear polyethylenepolyamines and method of preparing the catalystTEXACO CHEMICAL·Filed 1988·Granted Jan 8, 1991·5 cites·15 claims
- 4258US4921969AMethod for the preparation of imidazolesTEXACO CHEMICAL·Filed 1988·Granted May 1, 1990·4 cites·15 claims
- 4356US5082917APiperazine derivatives as chain extenders in polyurea elastomer systems and method making sameTEXACO CHEMICAL·Filed 1990·Granted Jan 21, 1992·9 cites·26 claims
- 4456US2011009512A1Reduction of aldehydes in aminesHUNTSMAN PETROCHEMICAL LLC·Filed 2009·Application pending·0 cites
- 4554US5436351AImidazolidone polyetheramide surfactantHUNTSMAN CORP·Filed 1993·Granted Jul 25, 1995·9 cites·2 claims
- 4654US5234478AFuel additive method of preparation and motor fuel compositionTEXACO INC·Filed 1992·Granted Aug 10, 1993·11 cites·12 claims
- 4754US5171819AAlkyl substituted piperazines as chain extenders in polyurea elastomer systemsTEXACO CHEMICAL·Filed 1990·Granted Dec 15, 1992·8 cites·15 claims
- 4853US5276192APreparation of phenoxyethanaminesTEXACO CHEMICAL·Filed 1991·Granted Jan 4, 1994·4 cites·4 claims
- 4953US5250632AHeimd-containing polyetheramine curative for flexible, toughened productsTEXACO CHEMICAL·Filed 1992·Granted Oct 5, 1993·8 cites·4 claims
- 5052US4892959AMethod for the production of N-methylpyrrolidineTEXACO CHEMICAL·Filed 1988·Granted Jan 9, 1990·3 cites·7 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →