Inventor
SU WEI-YANG
US74 patents
⚠️ This page may combine multiple inventors who share the name “SU WEI-YANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXACO CHEMICAL
30 patentsUS5130382AJul 14, 1992
Hydroxy terminated polyoxypropylene polyamides
TEXACO CHEMICAL26 citations93
US5118785AJun 2, 1992
Preparation of polyether amide from tetraethylene glycol diamine and terephthalic acid
TEXACO CHEMICAL29 citations93
US5086162AFeb 4, 1992
Polyether amide from polyalkylene glycol diamine and diacid mixture
TEXACO CHEMICAL42 citations93
US4946933AAug 7, 1990
Elastomeric polyamide hot melt adhesive from low molecular weight polyoxyethylene diamine
TEXACO CHEMICAL32 citations93
US5053484AOct 1, 1991
Polyether amide from mixture of polyether diamine
TEXACO CHEMICAL45 citations92
US4927942AMay 22, 1990
Method for the preparation of imidazoles
TEXACO CHEMICAL21 citations82
US4910303AMar 20, 1990
Process for preparing oxazine derivatives
TEXACO CHEMICAL19 citations82
US5145563ASep 8, 1992
Dehydration of propylene oxide by extracting distillation
TEXACO CHEMICAL20 citations81
US5288873AFeb 22, 1994
Aminated alkoxylated imidazolidones
TEXACO CHEMICAL11 citations74
US5250632AOct 5, 1993
Heimd-containing polyetheramine curative for flexible, toughened products
TEXACO CHEMICAL8 citations74
US5183514AFeb 2, 1993
Process for dissolving or removing rigid polyurethane foam by contacting with 1,2-dimethyl imidazole
TEXACO CHEMICAL15 citations74
US5171819ADec 15, 1992
Alkyl substituted piperazines as chain extenders in polyurea elastomer systems
TEXACO CHEMICAL8 citations74
US5140097AAug 18, 1992
Thermoplastic thermosettable polyamide from poly(oxytetramethylene) diamine and poly(oxytetramethylene) oligomer polyamine
TEXACO CHEMICAL16 citations74
US5139706AAug 18, 1992
Fatty amides prepared by reacting dicarboxylic acids, polyoxyalkylene amine bottoms products and fatty acids or esters thereof
TEXACO CHEMICAL7 citations74
US5138097AAug 11, 1992
Amine terminated polyamides
TEXACO CHEMICAL16 citations74
US5091572AFeb 25, 1992
Amine terminated polyamides
TEXACO CHEMICAL20 citations74
US5091585AFeb 25, 1992
Continuous preparatin of tertiary aliphatic methyl amines
TEXACO CHEMICAL8 citations74
US5082917AJan 21, 1992
Piperazine derivatives as chain extenders in polyurea elastomer systems and method making same
TEXACO CHEMICAL9 citations74
US5041664AAug 20, 1991
Continuous process for preparing quaternary ammonium salts
TEXACO CHEMICAL17 citations74
US5030710AJul 9, 1991
Nylon-6 modified with low molecular weight polyethylene glycol diamines
TEXACO CHEMICAL16 citations74
US5003084AMar 26, 1991
Process for preparing alkylene carbonates
TEXACO CHEMICAL15 citations74
US4931528AJun 5, 1990
1-isopropyl-2-methyl imidazole as an epoxy resin curative
TEXACO CHEMICAL10 citations74
US4897430AJan 30, 1990
One Component polyurea
TEXACO CHEMICAL8 citations74
US5001267AMar 19, 1991
Secondary alkyl amine derivatives of ethylenediamine
TEXACO CHEMICAL19 citations73
US5276192AJan 4, 1994
Preparation of phenoxyethanamines
TEXACO CHEMICAL4 citations63
US5250638AOct 5, 1993
Epoxy resin curatives and method using lactone-imidazole complexes
TEXACO CHEMICAL5 citations63
US5238971AAug 24, 1993
Polyoxyalkylene glycols containing imidazolidones
TEXACO CHEMICAL4 citations63
US5189118AFeb 23, 1993
Mixtures of 1-isopropyl-2-aryl imidazole and 1-isopropyl-2-aryl imidazoline as epoxy resin curatives
TEXACO CHEMICAL3 citations63
US5153287AOct 6, 1992
Preparation of hydroxylated low molecular weight polymodal butadiene polymers
TEXACO CHEMICAL4 citations63
US5136035AAug 4, 1992
Catalytic synthesis of alkyl morpholinones
TEXACO CHEMICAL2 citations63
HUNTSMAN SPEC CHEM CORP
7 patentsUS5861051AJan 19, 1999
Process for removing carbon dioxide from gas mixture
HUNTSMAN SPEC CHEM CORP29 citations88
US6060625AMay 9, 2000
Process for the production of etheramine alkoxylates
HUNTSMAN SPEC CHEM CORP16 citations82
US7169268B2Jan 30, 2007
Color stabilization of amines
HUNTSMAN SPEC CHEM CORP10 citations74
US6063145AMay 16, 2000
Fuel compositions containing etheramine alkoxylates
HUNTSMAN SPEC CHEM CORP14 citations74
US6888030B2May 3, 2005
Advances in amination
HUNTSMAN SPEC CHEM CORP5 citations63
US6210452B1Apr 3, 2001
Fuel additives
HUNTSMAN SPEC CHEM CORP6 citations63
US6191317B1Feb 20, 2001
Process for preparation of polyalkyl hydroxyaromatics
HUNTSMAN SPEC CHEM CORP3 citations63
TEXACO INC
4 patentsUS5383942AJan 24, 1995
Fuel composition
TEXACO INC9 citations74
US5286267AFeb 15, 1994
Polyether hydroxyethylaminoethyl oxalamide motor fuel detergent additives
TEXACO INC6 citations74
US5234478AAug 10, 1993
Fuel additive method of preparation and motor fuel composition
TEXACO INC11 citations74
US5203879AApr 20, 1993
Fuel composition
TEXACO INC8 citations74
HUNTSMAN PETROCHEMICAL LLC
4 patentsUS12195580B2Jan 14, 2025
Curing agent for epoxy resins
HUNTSMAN PETROCHEMICAL LLC0 citations63
US12091495B2Sep 17, 2024
Curing agent for epoxy resins
HUNTSMAN PETROCHEMICAL LLC0 citations63
US11542364B2Jan 3, 2023
Curing agent for epoxy resins
HUNTSMAN PETROCHEMICAL LLC0 citations63
US11518845B2Dec 6, 2022
Curing agent for epoxy resins
HUNTSMAN PETROCHEMICAL LLC0 citations63
HUNTSMAN CORP
3 patentsUS5422042AJun 6, 1995
Imidazolidone polyetheramine strength enhancing additives of epoxy resin systems
HUNTSMAN CORP35 citations92
US5516343AMay 14, 1996
Hydrocarbon compositions containing a polyetheramide additive
HUNTSMAN CORP8 citations74
US5436351AJul 25, 1995
Imidazolidone polyetheramide surfactant
HUNTSMAN CORP9 citations72
TEXACO CHEM INC
2 patentsShowing the top 50 of 74 patents by PatentIndex Score.