Assignee
RPC INC
US22 patents
Top patents by PatentIndex Score
US5998572ADec 7, 1999
Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements
RPC INC47 citations96
US6232495B1May 15, 2001
Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids
RPC INC75 citations95
US6037491AMar 14, 2000
Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio
RPC INC80 citations95
US6326455B2Dec 4, 2001
Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids
RPC INC17 citations92
US6288274B1Sep 11, 2001
Methods and devices for controlling the reaction rate and/or reactivity of hydrocarbon to an intermediate oxidation product by adjusting the oxidant consumption rate
RPC INC44 citations92
US6183698B1Feb 6, 2001
Devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments
RPC INC16 citations92
US6288270B1Sep 11, 2001
Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments
RPC INC44 citations89
US6433220B1Aug 13, 2002
Methods of extracting catalyst from a reaction mixture in the oxidation of cyclohexane to adipic acid
RPC INC8 citations73
US10488387B2Nov 26, 2019
Methods and apparatus for extraction of NAD and proteins from crude oil and gas, drill cuttings, cores and other hydrocarbons and organics for unique spectral identification
RPC INC4 citations63
US6340420B1Jan 22, 2002
Methods of treating the oxidation mixture of hydrocarbons to respective dibasic acids
RPC INC6 citations63
US6294689B1Sep 25, 2001
Methods for removing catalyst after oxidation of hydrocarbons
RPC INC2 citations63
US6143927ANov 7, 2000
Methods for removing catalyst after oxidation of hydrocarbons
RPC INC4 citations63
US6103933AAug 15, 2000
Methods for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator
RPC INC3 citations63
US6039902AMar 21, 2000
Methods of recycling catalyst in oxidations of hydrocarbons
RPC INC3 citations63
US6337051B1Jan 8, 2002
Device for detecting formation of a second liquid phase
RPC INC2 citations62
US6218573B1Apr 17, 2001
Methods of recovering catalyst in solution in the oxidation of cyclohexane to adipic acid
RPC INC3 citations62
US6129875AOct 10, 2000
Process of separating catalyst from oxidation mixtures
RPC INC5 citations62
US6177053B1Jan 23, 2001
Devices for removing acetic acid from cyclohexane in the production of adipic acid
RPC INC0 citations52
US6433221B1Aug 13, 2002
Methods of separating catalyst in solution from a reaction mixture produced by oxidation of cyclohexane to adipic acid
RPC INC0 citations51
US6417128B1Jul 9, 2002
Methods and replacing water and cyclohexanone with acetic acid in aqueous solutions of catalyst
RPC INC0 citations51
US6359173B1Mar 19, 2002
Methods and devices for oxidizing a hydrocarbon to form an acid
RPC INC0 citations51
US6156868ADec 5, 2000
Methods for preparing polymers from dibasic acids
RPC INC0 citations48