Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/018: Flotation Flotation agents Mixtures of inorganic and organic compounds
B03D 1/018
Sub-Class
Stats
- 22 US PATENTS IN FORCE
- 6 US APPLICATIONS PENDING
- 11 Total Patent Owners
- 87 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12220097 | Cleaning applicator systems and methods | Feb 19, 22 | Feb 11, 25 | Newtonoid Technologies, L.L.C. |
| 12098442 | Method for enriching lithium from lithium clay | Sep 22, 22 | Sep 24, 24 | GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.; Hunan Brunp Recycling Technology Co. Ltd.; |
| 11891522 | Process for manufacturing white pigment containing products | Feb 13, 17 | Feb 06, 24 | Omya International AG |
| 11801517 | Method for recovering gold in cyanide tailing by hierarchical ramified flotation | Feb 05, 21 | Oct 31, 23 | Gannan University of Science and Technology; Chongyi Zhangyuan Tungsten Co., Ltd.; |
| 11779935 | Slow-release inhibitor for high-magnesium sulfide mineral flotation and application thereof | Nov 22, 19 | Oct 10, 23 | Central South University |
| 11738353 | System and method of concentrating niobium ore | Apr 06, 18 | Aug 29, 23 | Taseko Mines Limited |
| 10786819 | Cationic flotation of silica and apatite from oxidized iron ores at natural pH | Jan 20, 17 | Sep 29, 20 | Regents of the University of Minnesota |
| 10654048 | Recovery of molybdenum using sodium metabisulfite and a thiocarbonate depressant | Mar 01, 18 | May 19, 20 | Chevron Phillips Chemical Company LP |
| 9889452 | Methods for facilitating mineral extraction | Dec 22, 14 | Feb 13, 18 | CHEMTREAT, INC. |
| 9839919 | Charged engineered polymer beads/bubbles functionalized with molecules for attracting and attaching to mineral particles of interest for flotation separation | May 22, 13 | Dec 12, 17 | CIDRA CORPORATE SERVICES, INC. |
| 9840669 | Methods of recovering bitumen from oil sands | Jun 05, 14 | Dec 12, 17 | BAKER HUGHES INCORPORATED |
| 9586212 | Depressor in iron ore flotation comprising sugar cane bagasse, use of sugar cane bagasse as depressor in iron ore flotation and process of preparing depressor comprising sugar cane bagasse | Sep 04, 13 | Mar 07, 17 | VALE S.A. |
| 9567655 | Processes for the separation of ores | Oct 17, 13 | Feb 14, 17 | GEORGIA-PACIFIC CHEMICALS LLC |
| 9440242 | Frothers for mineral flotation | Oct 01, 13 | Sep 13, 16 | ECOLAB USA INC. |
| 9387490 | Method for improving selectivity and recovery in the flotation of nickel sulphide ores that contain pyrrhotite by exploiting the synergy of multiple depressants | Apr 12, 13 | Jul 12, 16 | VALE S.A. |
| 9266120 | Collectors for mineral flotation | Oct 01, 13 | Feb 23, 16 | ECOLAB USA INC. |
| 9255239 | Formulation for corn oil recovery and method of use thereof | Dec 30, 14 | Feb 09, 16 | IVANHOE INDUSTRIES, INC. |
| 8925730 | Methods and compositions of beneficiation | Jun 17, 10 | Jan 06, 15 | NALCO COMPANY |
| 8720694 | Flotation reagents and flotation processes utilizing same | Jul 16, 09 | May 13, 14 | CYTEC TECHNOLOGY CORP. |
| 7942270 | Fatty acid by-products and methods of using same | Feb 16, 06 | May 17, 11 | ECOLAB USA INC. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0359,190 | Methods for Pollucite Flotation, Plagioclase Flotation, and Quartz Purification | Apr 09, 24 | Oct 31, 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. |
| 2023/0285,986 | NOVEL PEPTIDE AND METHOD FOR USING SAME | Oct 17, 19 | Sep 14, 23 | Shibaura Institute of Technology; JX Nippon Mining & Metals Corporation; |
| 2022/0288,605 | Complex depressant for controlling zinc and iron in polymetallic-ore flotation, production process and application as a substitute for zinc sulfates and copper sulfates | Feb 24, 20 | Sep 15, 22 | Not available |
| 2021/0078,017 | ENVIRONMENTALLY FRIENDLY FLOTATION AGENT | Jul 12, 18 | Mar 18, 21 | Biosepar Gesellschaft für Medizin- und Labortechnik mbH |
| 2019/0256,714 | PROCESS FOR MANUFACTURING WHITE PIGMENT CONTAINING PRODUCTS | Feb 13, 17 | Aug 22, 19 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)