Inventor · disambiguated record
Donald H. Champion
Also filed as: CHAMPION DONALD · CHAMPION DONALD H · CHAMPION DONALD HUGH
21 granted patents·3 pending applications·290 citations·filing 1988–2019
95Inventor score
Top patents by PatentIndex Score
24 records- 0193US5298618AMacrocyclic oxamidesTEXACO CHEMICAL·Filed 1992·Granted Mar 29, 1994·50 cites·7 claims
- 0291US5189233AProcess for the production of cyclohexane by liquid phase hydrogenation of benzeneTEXACO CHEMICAL·Filed 1991·Granted Feb 23, 1993·38 cites·1 claims
- 0389US5053484APolyether amide from mixture of polyether diamineTEXACO CHEMICAL·Filed 1990·Granted Oct 1, 1991·45 cites·16 claims
- 0486US8008239B2Acylalkylisethionate esters and applications in consumer productsHUNTSMAN PETROCHEMICAL LLC·Filed 2004·Granted Aug 30, 2011·14 cites·13 claims
- 0578US5140090AAliphatic polyureas from polyoxyalkylene polyamines, aliphatic diisocyanates and sym-dialkylethylenediaminesTEXACO CHEMICAL·Filed 1991·Granted Aug 18, 1992·22 cites·8 claims
- 0677US5110991AHeterogeneous catalyst for alkoxylation of alcoholsTEXACO CHEMICAL·Filed 1991·Granted May 5, 1992·14 cites·14 claims
- 0777US5093382APreparation of foams using polyfunctional organic acidsTEXACO CHEMICAL·Filed 1991·Granted Mar 3, 1992·23 cites·31 claims
- 0874US5179175APolyamides from polyetheramines, hexamethylene diamine and adipic acidTEXACO CHEMICAL·Filed 1990·Granted Jan 12, 1993·19 cites·7 claims
- 0970US10472318B2Etheramine compoundsHUNTSMAN PETROCHEMICAL LLC·Filed 2018·Granted Nov 12, 2019·0 cites·11 claims
- 1070US5247078ASynthesis of diaza crown ethersTEXACO CHEMICAL·Filed 1991·Granted Sep 21, 1993·11 cites·17 claims
- 1168US5140097AThermoplastic thermosettable polyamide from poly(oxytetramethylene) diamine and poly(oxytetramethylene) oligomer polyamineTEXACO CHEMICAL·Filed 1990·Granted Aug 18, 1992·16 cites·15 claims
- 1263US10239820B2Etheramine compoundsHUNTSMAN PETROCHEMICAL LLC·Filed 2015·Granted Mar 26, 2019·0 cites·18 claims
- 1363US5206362ATwo-step method for preparing cyclic ureasTEXACO CHEMICAL·Filed 1992·Granted Apr 27, 1993·7 cites·12 claims
- 1461US9598358B2Acylalkylisethionate esters and applications in consumer productsANANTANENI PRAKASA R·Filed 2011·Granted Mar 21, 2017·0 cites·19 claims
- 1559US5019653APurification of polyamines derived from polyhydroxyl compoundsTEXACO CHEMICAL·Filed 1990·Granted May 28, 1991·6 cites·20 claims
- 1656US5082917APiperazine derivatives as chain extenders in polyurea elastomer systems and method making sameTEXACO CHEMICAL·Filed 1990·Granted Jan 21, 1992·9 cites·26 claims
- 1754US5171819AAlkyl substituted piperazines as chain extenders in polyurea elastomer systemsTEXACO CHEMICAL·Filed 1990·Granted Dec 15, 1992·8 cites·15 claims
- 1852US5159101ACyanoethylation of alcoholsTEXACO CHEMICAL·Filed 1992·Granted Oct 27, 1992·4 cites·14 claims
- 1952US4892959AMethod for the production of N-methylpyrrolidineTEXACO CHEMICAL·Filed 1988·Granted Jan 9, 1990·3 cites·7 claims
- 2052US2016145382A1Polymeric surfactantHUNTSMAN PETROCHEMICAL LLC·Filed 2014·Application pending·0 cites
- 2150US12077730B2Quaternary ammonium hydroxides of polyaminesHUNTSMAN PETROCHEMICAL LLC·Filed 2019·Granted Sep 3, 2024·0 cites·18 claims
- 2250US2021340678A1Compounds releasing heterocyclic aliphatic amines in aqueous heat transfer systems by partial decompositionHUNTSMAN PETROCHEMICAL LLC·Filed 2019·Application pending·0 cites
- 2342US2002004541A1Reduced pour point surfactantsHUNTSMAN SPEC CHEM CORP·Filed 2001·Application pending·0 cites
- 2438US5103056AAmidoamines derived from amines with aminopropyl and secondary amine terminiTEXACO CHEMICAL·Filed 1991·Granted Apr 7, 1992·1 cites·8 claims
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