Assignee
CHINA PETROCHEMICAL DEV CORP
TW·28 granted patents·3 pending applications·105 citations·filing 1984–2016
Top patents by PatentIndex Score
31 records- 0185US6420304B1Polymer-supported carbonylation catalyst and its useCHINA PETROCHEMICAL DEV CORP·Filed 2000·Granted Jul 16, 2002·39 cites·36 claims
- 0274US7553991B1Process for producing carboxylic acid anhydridesCHINA PETROCHEMICAL DEV CORP·Filed 2008·Granted Jun 30, 2009·3 cites·18 claims
- 0373US9669395B2Catalyst composition for preparing O-phenylphenol and method for preparing O-phenylphenol with the catalyst compositionCHINA PETROCHEMICAL DEV CORP·Filed 2016·Granted Jun 6, 2017·2 cites·15 claims
- 0473US6063958AMethod of recovering adipic acid and 6-hydroxycaproic acid from waste solution of alkali metal salts of organic acids coming from the process of cyclohexane oxidationCHINA PETROCHEMICAL DEV CORP·Filed 1998·Granted May 16, 2000·20 cites·15 claims
- 0565US7671236B2Process for production of cyclohexanone oximeCHINA PETROCHEMICAL DEV CORP·Filed 2007·Granted Mar 2, 2010·2 cites·13 claims
- 0663US7622420B1Catalyst composition for preparing hydroxylamineCHINA PETROCHEMICAL DEV CORP·Filed 2009·Granted Nov 24, 2009·1 cites·9 claims
- 0763US6395928B1Rhodium-catalyzed carbonylation using non-acetate lithium, sodium and potassium inorganic salts as promoters to produce carboxylic acidsCHINA PETROCHEMICAL DEV CORP·Filed 2000·Granted May 28, 2002·5 cites·12 claims
- 0861US7897818B2Method for oxidizing hydrocarbons in liquid phaseCHINA PETROCHEMICAL DEV CORP·Filed 2009·Granted Mar 1, 2011·1 cites·26 claims
- 0960US7399885B2Method for preparing hydroxylamineCHINA PETROCHEMICAL DEV CORP·Filed 2007·Granted Jul 15, 2008·1 cites·10 claims
- 1060US6784313B2Process for producing carboxylic acidsCHINA PETROCHEMICAL DEV CORP·Filed 2002·Granted Aug 31, 2004·3 cites·20 claims
- 1157US6346644B1Process for producing carboxylic acidCHINA PETROCHEMICAL DEV CORP·Filed 2000·Granted Feb 12, 2002·3 cites·9 claims
- 1252US9518024B2Method and system for preparing caprolactamCHINA PETROCHEMICAL DEV CORP·Filed 2016·Granted Dec 13, 2016·0 cites·15 claims
- 1352US8859113B2Carbazole derivatives and organic light-emitting diode device using the sameCHINA PETROCHEMICAL DEV CORP·Filed 2013·Granted Oct 14, 2014·0 cites·10 claims
- 1452US7892512B2Method for manufacturing hydroxylamineCHINA PETROCHEMICAL DEV CORP·Filed 2007·Granted Feb 22, 2011·0 cites·9 claims
- 1551US9550721B2Method for preparing dimethyl 1,4-cyclohexanedicarboxylate and method for preparing 1,4-cyclohexanedimethanolCHINA PETROCHEMICAL DEV CORP·Filed 2015·Granted Jan 24, 2017·0 cites·12 claims
- 1651US9012679B2Method for continuously preparing carboxylic acid esterCHINA PETROCHEMICAL DEV CORP·Filed 2012·Granted Apr 21, 2015·0 cites·22 claims
- 1748US7381843B2Method for preparing hydroxylamineCHINA PETROCHEMICAL DEV CORP·Filed 2006·Granted Jun 3, 2008·0 cites·7 claims
- 1847US2007253885A1Method and device for stripping organic contaminantsCHINA PETROCHEMICAL DEV CORP·Filed 2007·Application pending·0 cites
- 1946US2010029974A1Catalytic system and method for oxidative carbonylation reactionCHINA PETROCHEMICAL DEV CORP·Filed 2008·Application pending·0 cites
- 2045US7700767B2System and process for purifying an aqueous solution of crude caprolactamCHINA PETROCHEMICAL DEV CORP·Filed 2007·Granted Apr 20, 2010·0 cites·21 claims
- 2145US7700785B2Process for preparation of dialkyl carbonateCHINA PETROCHEMICAL DEV CORP·Filed 2008·Granted Apr 20, 2010·0 cites·12 claims
- 2245US4876398APreparation of ortho-alkylated phenols in the presence of a catalyst prepared by co-precipitation processCHINA PETROCHEMICAL DEV CORP·Filed 1988·Granted Oct 24, 1989·13 cites·9 claims
- 2344US9486760B2Fluid mixing deviceCHINA PETROCHEMICAL DEV CORP·Filed 2014·Granted Nov 8, 2016·0 cites·11 claims
- 2444US7888525B2Method for preparing organic carbonatesCHINA PETROCHEMICAL DEV CORP·Filed 2008·Granted Feb 15, 2011·0 cites·12 claims
- 2544US5227519AProduction of carboxylic acids from carbonylation of alcoholCHINA PETROCHEMICAL DEV CORP·Filed 1992·Granted Jul 13, 1993·4 cites·11 claims
- 2644US2010160669A1Process for producing organic carboxylic acid estersCHINA PETROCHEMICAL DEV CORP·Filed 2009·Application pending·0 cites
- 2743US7671233B2Process for preparing carboxylic acidCHINA PETROCHEMICAL DEV CORP·Filed 2007·Granted Mar 2, 2010·0 cites·20 claims
- 2840US7417168B2Method for preparing hydroxylamineCHINA PETROCHEMICAL DEV CORP·Filed 2007·Granted Aug 26, 2008·0 cites·9 claims
- 2939US7785549B2Recycling system for hydroxylamine formation and oximationCHINA PETROCHEMICAL DEV CORP·Filed 2007·Granted Aug 31, 2010·0 cites·6 claims
- 3038US7795473B2System and method for preparing cycloalkanoneCHINA PETROCHEMICAL DEV CORP·Filed 2009·Granted Sep 14, 2010·0 cites·14 claims
- 3138US4546093APreparation of catalyst system for the synthesis of 2-6-xylenolCHINA PETROCHEMICAL DEV CORP·Filed 1984·Granted Oct 8, 1985·8 cites·7 claims
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