RPC Inc.
Records under this name other than patents RPC Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,488,387 | 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 Lapsed on the fee record Ended Nov 26, 2023 · From the USPTO record | Lapsed on the fee record | Ended Nov 26, 2023 | From the USPTO record |
| US 6,433,220 | Methods of extracting catalyst from a reaction mixture in the oxidation of cyclohexane to adipic acid Lapsed on the fee record Ended Aug 13, 2006 · From the USPTO record | Lapsed on the fee record | Ended Aug 13, 2006 | From the USPTO record |
| US 6,433,221 | Methods of separating catalyst in solution from a reaction mixture produced by oxidation of cyclohexane to adipic acid Lapsed on the fee record Ended Aug 13, 2006 · From the USPTO record | Lapsed on the fee record | Ended Aug 13, 2006 | From the USPTO record |
| US 6,417,128 | Methods and replacing water and cyclohexanone with acetic acid in aqueous solutions of catalyst Lapsed on the fee record Ended Jul 9, 2006 · From the USPTO record | Lapsed on the fee record | Ended Jul 9, 2006 | From the USPTO record |
| US 6,359,173 | Methods and devices for oxidizing a hydrocarbon to form an acid Lapsed on the fee record Ended Mar 19, 2006 · From the USPTO record | Lapsed on the fee record | Ended Mar 19, 2006 | From the USPTO record |
| US 6,340,420 | Methods of treating the oxidation mixture of hydrocarbons to respective dibasic acids Lapsed on the fee record Ended Jan 22, 2006 · From the USPTO record | Lapsed on the fee record | Ended Jan 22, 2006 | From the USPTO record |
| US 6,337,051 | Device for detecting formation of a second liquid phase Lapsed on the fee record Ended Jan 8, 2006 · From the USPTO record | Lapsed on the fee record | Ended Jan 8, 2006 | From the USPTO record |
| US 6,326,455 | Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids Lapsed on the fee record Ended Dec 4, 2005 · From the USPTO record | Lapsed on the fee record | Ended Dec 4, 2005 | From the USPTO record |
| US 6,294,689 | Methods for removing catalyst after oxidation of hydrocarbons Lapsed on the fee record Ended Sep 25, 2005 · From the USPTO record | Lapsed on the fee record | Ended Sep 25, 2005 | From the USPTO record |
| US 6,288,270 | Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments Lapsed on the fee record Ended Sep 11, 2005 · From the USPTO record | Lapsed on the fee record | Ended Sep 11, 2005 | From the USPTO record |