P

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 patents
US5130382AJul 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 patents

TEXACO INC

4 patents

HUNTSMAN PETROCHEMICAL LLC

4 patents

HUNTSMAN CORP

3 patents

TEXACO CHEM INC

2 patents

Showing the top 50 of 74 patents by PatentIndex Score.