Description
Class C01D : COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
Subclass 1/28: Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation
C01D 1/28
Sub-Class
Stats
- 10 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 0 Total Patent Owners
- 20 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12006231 | Processes for preparing hydroxides and oxides of various metals and derivatives thereof | Dec 28, 22 | Jun 11, 24 | NEMASKA LITHIUM INC. |
| 11780737 | Process for the separation and selective recomposition of ions | Aug 04, 20 | Oct 10, 23 | Ionic Solutions LTD. |
| 11542175 | Processes for preparing hydroxides and oxides of various metals and derivatives thereof | Sep 17, 21 | Jan 03, 23 | NEMASKA LITHIUM INC. |
| 11312636 | Processes and systems for regenerating alkali process streams | May 30, 19 | Apr 26, 22 | GRAYMONT WESTERN US INC. |
| 11142466 | Processes for preparing hydroxides and oxides of various metals and derivatives thereof | Nov 22, 18 | Oct 12, 21 | Nemaska Lithium Inc. |
| 11056688 | Lithium compound, method for producing the lithium compound, and method for producing positive active material for nonaqueous electrolyte secondary battery | Jun 06, 17 | Jul 06, 21 | Sumitomo Metal Mining Co. Ltd. |
| 10759670 | Apparatus and process for the production of soda ash | Sep 11, 17 | Sep 01, 20 | IONIC SOLUTIONS LTD. |
| 10364159 | Process and systems for regenerating alkali process streams | May 04, 16 | Jul 30, 19 | GRAYMONT WESTERN US INC. |
| 10246357 | System and methods for removing minerals from a brine using electrodialysis | Nov 24, 14 | Apr 02, 19 | Enviro Water Minerals Company, Inc. |
| 10138578 | Alkali recycle in cellulose spinning process | Jun 27, 14 | Nov 27, 18 | TREETOTEXTILE AB |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0294,395 | PROCESSES FOR PREPARING HYDROXIDES AND OXIDES OF VARIOUS METALS AND DERIVATIVES THEREOF | May 04, 24 | Sep 05, 24 | NEMASKA LITHIUM INC. |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)