Class C01D : COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
Subclass 1/40: Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation by electrolysis
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10233551 | Apparatus for making and concentrating an aqueous caustic alkali | Mar 23, 15 | Mar 19, 19 | Westlake Vinyl Corporation |
| 10041180 | Method for concentrating an aqueous caustic alkali via splitting a catholyte into a first stream for heat recovery and a second stream for evaporation | Mar 23, 15 | Aug 07, 18 | Westlake Vinyl Corporation |
| 8986517 | Method and apparatus for making and concentrating an aqueous caustic alkali | Oct 12, 12 | Mar 24, 15 | WESTLAKE VINYL CORPORATION |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0351,902 | CALCIUM CARBONATE GENERATION METHOD AND SYSTEM | Aug 31, 22 | Oct 24, 24 | SUMITOMO OSAKA CEMENT CO., LTD.; National University Corp. Yamaguchi University; Kyushu University National University Corporation; |
| 2024/0051,838 | METHOD FOR PRODUCING LITHIUM HYDROXIDE | Mar 25, 22 | Feb 15, 24 | Idemitsu Kosan Co., Ltd. |
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