Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/014: Flotation Flotation agents Organic compounds containing phosphorus
B03D 1/014
Sub-Class
Stats
- 27 US PATENTS IN FORCE
- 8 US APPLICATIONS PENDING
- 9 Total Patent Owners
- 95 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 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. |
| 11718540 | Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity | Aug 28, 19 | Aug 08, 23 | Ecolab USA Inc. |
| 11654443 | Mineral processing | Mar 30, 20 | May 23, 23 | CiDRA Minerals Processing Inc. |
| 11007538 | Flotation reagents and flotation processes utilizing same | May 26, 16 | May 18, 21 | Cytec Technology Corp. |
| 10773973 | Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity | Mar 08, 13 | Sep 15, 20 | Ecolab USA Inc. |
| 10603676 | Mineral processing | Sep 13, 12 | Mar 31, 20 | CiDRA Minerals Processing Inc. |
| 10434520 | Collector for beneficiating carbonaceous phosphate ores | Aug 09, 17 | Oct 08, 19 | Arr-Maz Products, L.P. |
| 10435308 | Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity | Mar 08, 13 | Oct 08, 19 | Ecolab USA Inc. |
| 10413914 | Enrichment of metal sulfide ores by oxidant assisted froth flotation | Jan 25, 13 | Sep 17, 19 | Evonik Degussa GmbH |
| 10376901 | Use of branched alcohols and alkoxylates thereof as secondary collectors | Sep 15, 15 | Aug 13, 19 | Akzo Nobel Chemicals International B.V. |
| 10144012 | Methods of increasing flotation rate | Jan 14, 08 | Dec 04, 18 | Mineral and Coal Technologies Inc. |
| 10130956 | Flotation reagents and flotation processes utilizing same | Apr 18, 14 | Nov 20, 18 | Cytec Technology Corp. |
| 9919319 | Method for improving rheological properties of mineral slurry | Dec 16, 15 | Mar 20, 18 | KEMIRA OYJ |
| 9840669 | Methods of recovering bitumen from oil sands | Jun 05, 14 | Dec 12, 17 | BAKER HUGHES INCORPORATED |
| 9643193 | Frothers for mineral flotation | Jul 20, 16 | May 09, 17 | ECOLAB USA INC. |
| 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. |
| 9302272 | Froth flotation processes | Oct 17, 12 | Apr 05, 16 | CYTEC TECHNOLOGY CORP. |
| 9302273 | Froth flotation processes | Oct 17, 12 | Apr 05, 16 | CYTEC TECHNOLOGY CORP. |
| 9302274 | Collector compositions and methods of using the same | Oct 17, 12 | Apr 05, 16 | CYTEC TECHNOLOGY CORP. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0335,842 | COLLECTOR FOR THE FLOTATION OF CARBONATES IN PHOSPHATE ROCK | Aug 03, 22 | Oct 10, 24 | Not available |
| 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 |
| 2024/0149,276 | 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. |
| 2022/0161,276 | MIXTURE OF FATTY ACIDS AND ALKYLETHER PHOSPHATES AS A COLLECTOR FOR PHOSPHATE ORE FLOTATION | Jan 29, 20 | May 26, 22 | Not available |
| 2020/0238,301 | SYSTEM AND METHOD FOR RECOVERING METALS FROM ELECTRONIC SCRAP AND AUTO SHRED RESIDUE FINES | Sep 18, 16 | Jul 30, 20 | Not available |
| 2020/0147,619 | ALKYLATED TRIPHENYL PHOSPHOROTHIONATES AS SELECTIVE METAL SULPHIDE COLLECTORS | May 23, 18 | May 14, 20 | BASF SE |
| 2015/0328,645 | Method for separating calcium carbonate and gypsum | Dec 18, 13 | Nov 19, 15 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 42 Months (last 2 years Issuances)
- 42 Months (last 5 years Issuances)