Inventor
DASSEL MARK W
US32 patents
⚠️ This page may combine multiple inventors who share the name “DASSEL MARK W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RPC INC
19 patentsUS5998572ADec 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
US6433220B1Aug 13, 2002
Methods of extracting catalyst from a reaction mixture in the oxidation of cyclohexane to adipic acid
RPC INC8 citations73
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
TWENTY FIRST CENTURY RES CORP
7 patentsUS5824819AOct 20, 1998
Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator
TWENTY FIRST CENTURY RES CORP59 citations96
US5980801ANov 9, 1999
Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator
TWENTY FIRST CENTURY RES CORP42 citations92
US5801273ASep 1, 1998
Methods and devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments
TWENTY FIRST CENTURY RES CORP15 citations81
US5929277AJul 27, 1999
Methods of removing acetic acid from cyclohexane in the production of adipic acid
TWENTY FIRST CENTURY RES CORP8 citations74
US5817868AOct 6, 1998
Method and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements
TWENTY FIRST CENTURY RES CORP12 citations74
US5908589AJun 1, 1999
Methods for separating catalyst from oxidation mixtures containing dibasic acids
TWENTY FIRST CENTURY RES CORP8 citations73
US5877341AMar 2, 1999
Methods and devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments
TWENTY FIRST CENTURY RES CORP6 citations73