Class C01D : COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
Subclass 1/32: Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation by adsorption or precipitation
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 8980204 | Process and system for syngas treatment | May 24, 11 | Mar 17, 15 | AIR PRODUCTS AND CHEMICALS, INC. |
| 8936773 | Methods and compositions using calcium carbonate and stabilizer | Apr 26, 12 | Jan 20, 15 | CALERA CORPORATION |
| 8877148 | Apparatus and method for removing mercury from a gas | Jul 22, 10 | Nov 04, 14 | JERRITT CANYON GOLD LLC, NOUHGT TECHNOLOGIES LLC, |
| 8784756 | Process for the joint production of sodium carbonate and sodium bicarbonate | Dec 22, 09 | Jul 22, 14 | SOLVAY SA |
| 8771622 | Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives | May 03, 11 | Jul 08, 14 | SOLVAY CHEMICALS, INC. |
| 8282898 | Process for the formulation of potassium chloride from a carnallite source | Nov 23, 09 | Oct 09, 12 | KARNALYTE RESOURCES INC. |
| 8202659 | Method for obtaining sodium carbonate monohydrate crystals | Feb 25, 10 | Jun 19, 12 | Solvay (Societe Anonyme) |
| 8168146 | Process for preparing high concentration dispersions of lithium hydroxide monohydrate and of anhydrous lithium hydroxide oils | Nov 08, 06 | May 01, 12 | THE LUBRIZOL CORPORATION |
| 7901644 | Catalytic gasification process with recovery of alkali metal from char | Dec 23, 08 | Mar 08, 11 | GREATPOINT ENERGY, INC. |
| 7897126 | Catalytic gasification process with recovery of alkali metal from char | Dec 23, 08 | Mar 01, 11 | GREATPOINT ENERGY, INC. |
| 7507388 | Process for production of dense soda, light soda, sodium bicarbonate and sodium silicate from solutions containing bicarbonate | Nov 14, 05 | Mar 24, 09 | Eti Soda Uretim Pazarlama Nakliyat VE Elektrik Uretim Sanayi VE Ticaret A.S. |
| 6157210 | Programmable logic device with circuitry for observing programmable logic circuit signals and for preloading programmable logic circuits | May 21, 98 | Dec 05, 00 | ALTERA CORPORATION |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0043,386 | METHOD FOR RECOVERING METALS FROM LITHIUM ION BATTERY WASTE | Dec 26, 22 | Feb 06, 25 | JX Metals Corporation |
| 2024/0417,825 | PROCESS FOR CONCENTRATING LITHIUM AND POTASSIUM FROM CLAYS FROM SALT FLATS | Oct 04, 22 | Dec 19, 24 | HOT SPRING MINING, S.A. DE C.V. |
| 2024/0417,269 | PREPARATION OF LITHIUM HYDROXIDE | Nov 25, 22 | Dec 19, 24 | Not available |
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