Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/01: Flotation Flotation agents Organic compounds containing nitrogen
B03D 1/01
Sub-Class
Stats
- 99 US PATENTS IN FORCE
- 18 US APPLICATIONS PENDING
- 38 Total Patent Owners
- 283 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12180236 | Hydroximic acid-metal hydroxide coordination complex and preparation and application thereof | Aug 29, 18 | Dec 31, 24 | Central South University |
| 12180341 | Collectors for flotation process | Jun 01, 20 | Dec 31, 24 | BASF SE |
| 12168237 | Collector composition containing biodegradable compound and process for treating siliceous ores | Jul 01, 19 | Dec 17, 24 | Nouryon Chemicals International B.V. |
| 12138638 | Composition and method for use of 1-alkyl-5-oxopyrrolidine-3-carboxylic acids as collectors for phosphate and lithium flotation | Sep 09, 21 | Nov 12, 24 | CLARIANT INTERNATIONAL LTD |
| 12062073 | System and method allowing social fashion selection in an electronic marketplace | Feb 10, 23 | Aug 13, 24 | eBay Inc. |
| 11987505 | Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity | Aug 04, 20 | May 21, 24 | Ecolab USA Inc. |
| 11958062 | Float sorting device for selective separation of non-metallic minerals | Mar 29, 21 | Apr 16, 24 | Korea Atomic Energy Research Institute |
| 11891522 | Process for manufacturing white pigment containing products | Feb 13, 17 | Feb 06, 24 | Omya International AG |
| 11802179 | Polyesteramines and polyesterquats | Aug 08, 18 | Oct 31, 23 | Arkema France |
| 11718540 | Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity | Aug 28, 19 | Aug 08, 23 | Ecolab USA Inc. |
| 11590514 | Collectors for treating tailings | Oct 25, 19 | Feb 28, 23 | Syncrude Canada Ltd. |
| 11548012 | Process to treat metal or mineral ores and collector composition therefor | Oct 16, 18 | Jan 10, 23 | Nouryon Chemicals International B.V. |
| 11453014 | Concentration process of iron ore slimes | Oct 03, 18 | Sep 27, 22 | VALE S.A. |
| 11168218 | Process for manufacturing white pigment containing products | Feb 13, 17 | Nov 09, 21 | Omya International AG |
| 11046639 | Mining collectors | Oct 10, 19 | Jun 29, 21 | Not available |
| 11014096 | Indirect flotation process for manufacturing white pigment containing products | Aug 08, 18 | May 25, 21 | Omya International AG |
| 11007538 | Flotation reagents and flotation processes utilizing same | May 26, 16 | May 18, 21 | Cytec Technology Corp. |
| 10934191 | Capillary foams, methods of making thereof, and uses thereof including for mitigation of oil spills | Sep 06, 16 | Mar 02, 21 | Georgia Tech Research Corporation |
| 10913810 | Process and chemistry for reducing dolomite concentrations in phosphate processing | May 08, 19 | Feb 09, 21 | Arr-Maz Products, L.P. |
| 10815337 | Ether amine compounds and use thereof as flotation collector | Sep 09, 16 | Oct 27, 20 | Arkema France |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0286,929 | ENHANCED FOAM REMOVAL OF TOTAL SUSPENDED SOLIDS AND MULTIPLY CHARGED CATIONS FROM AQUEOUS OR AQUEOUS/OIL MIXED PHASE VIA INCREASED VISCOELASTICITY | Apr 18, 24 | Aug 29, 24 | Not available |
| 2024/0174,797 | POLYESTERAMINES AND POLYESTERQUATS | Sep 29, 23 | May 30, 24 | Arkema France |
| 2024/0149,276 | APPLICATION OF SELENIUM-CONTAINING ORGANIC COMPOUNDS IN COPPER SULFIDE FLOTATION COLLECTORS | Feb 08, 23 | May 09, 24 | Not available |
| 2024/0149,277 | DITHIOCARBAMATE DEPRESSANTS, METHODS AND USES THEREOF IN FROTH FLOTATION MINERAL SEPARATION | Feb 15, 22 | May 09, 24 | Tessenderlo Kerley Inc. |
| 2024/0082,854 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE | Dec 22, 21 | Mar 14, 24 | Not available |
| 2024/0066,528 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE | Dec 22, 21 | Feb 29, 24 | Not available |
| 2023/0249,197 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE | Aug 10, 21 | Aug 10, 23 | Not available |
| 2023/0062,243 | USE OF 2-CYANO-N-(SUBSTITUTED CARBAMOYL)ACETAMIDE COMPOUND IN FLOTATION OF CALCIUM-BEARING MINERALS | Jun 22, 20 | Mar 02, 23 | Central South University |
| 2022/0266,263 | COLLECTOR COMPOSITION | Jul 24, 20 | Aug 25, 22 | Not available |
| 2022/0212,204 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE WITH A CATIONIC COLLECTOR | Apr 27, 20 | Jul 07, 22 | Not available |
| 2022/0176,386 | COLLECTOR COMPOSITIONS CONTAINING A N-ACYLATED AMINO ACID AND PROCESS TO TREAT NON-SULFIDIC ORES | Apr 17, 20 | Jun 09, 22 | Nouryon Chemicals International B.V. |
| 2021/0069,729 | CONCENTRATION PROCESS OF IRON ORE SLIMES | Oct 03, 18 | Mar 11, 21 | Not available |
| 2021/0039,956 | COPPER(II)-AMMONIA COMPLEX ION SULFIDIZATION ACTIVATOR, PREPARATION AND APPLICATION THEREOF | Aug 03, 20 | Feb 11, 21 | Not available |
| 2020/0360,938 | ESTERQUATS FOR THE FLOTATION OF NON-SULFIDIC MINERALS AND ORES, AND METHOD | Jan 16, 18 | Nov 19, 20 | Clariant International Ltd. |
| 2019/0046,994 | USE OF ALKOXYLATED AMINES AS COLLECTOR AGENTS FOR ORE BENEFICIATION | Feb 13, 17 | Feb 14, 19 | Arkema France |
| 2019/0046,995 | USE OF ALKOXYLATED AMINES AS COLLECTOR AGENTS FOR ORE BENEFICIATION | Feb 13, 17 | Feb 14, 19 | Arkema France |
| 2018/0200,731 | Foam Prevention In The Reverse Flotation Process For Purifying Calcium Carbonate | Mar 16, 18 | Jul 19, 18 | CLARIANT INTERNATIONAL LTD; Clariant S.A.; |
| 2015/0360,238 | CONDITIONING OF THE ORE IN THE COMMINUTION STEP AND RECOVERY OF DESIRED METAL VALUES BY FLOTATION | Dec 23, 13 | Dec 17, 15 | JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, PLATREEF RESOURCES PROPRIETARY LIMITED, |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)