Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/016: Flotation Flotation agents Organic compounds Macromolecular compounds
B03D 1/016
Sub-Class
Stats
- 95 US PATENTS IN FORCE
- 17 US APPLICATIONS PENDING
- 39 Total Patent Owners
- 260 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12240000 | Iron chelators as activators in alkaline flotation circuits | Jul 03, 19 | Mar 04, 25 | BASF SE |
| 12234301 | Ammonium-functionalized saccharide polymers and methods for production and use thereof | Feb 10, 20 | Feb 25, 25 | Integrity Bio-Chemicals, LLC |
| 12180341 | Collectors for flotation process | Jun 01, 20 | Dec 31, 24 | BASF SE |
| 12036563 | Process for separating mixtures of solids | Jan 31, 20 | Jul 16, 24 | SOLVAY SPECIALTY POLYMERS USA, LLC |
| 12005460 | Utilizing engineered media for recovery of minerals in tailings stream at the end of a flotation separation process | Aug 29, 22 | Jun 11, 24 | CiDRA CORPORATE SERVICES LLC |
| 11840471 | Method for removing per- and polyfluoroalkyl substances (PFAS) from waste water | Dec 20, 21 | Dec 12, 23 | Republic Services, Inc. |
| 11767375 | Aminocarboxylic acid-functionalized saccharide polymers and methods for production and use thereof | Oct 14, 22 | Sep 26, 23 | Not available |
| 11731143 | Mineral separation using functionalized membranes | May 25, 12 | Aug 22, 23 | CiDRA Corporate Services, Inc. |
| 11717836 | Cold water collector saponification method | Jun 10, 20 | Aug 08, 23 | Not available |
| 11654443 | Mineral processing | Mar 30, 20 | May 23, 23 | CiDRA Minerals Processing Inc. |
| 11590514 | Collectors for treating tailings | Oct 25, 19 | Feb 28, 23 | Syncrude Canada Ltd. |
| 11517918 | Utilizing engineered media for recovery of minerals in tailings stream at the end of a flotation separation process | Nov 16, 16 | Dec 06, 22 | CiDRA CORPORATE SERVICES LLC |
| 11413622 | Apparatus for simultaneous grinding and froth flotation | Nov 24, 15 | Aug 16, 22 | Omya International AG |
| 11254707 | Peptide binding to arsenic-containing mineral and use thereof | Sep 15, 17 | Feb 22, 22 | Shibaura Institute of Technology; JX Nippon Mining & Metals Corporation; |
| 11247214 | High intensity conditioning prior to enhanced mineral separation process | Feb 28, 18 | Feb 15, 22 | CiDRA CORPORATE SERVICES LLC |
| 11241700 | Non-flotation based recovery of mineral bearing ore using hydrophobic particle collection in a pipeline section | Oct 10, 17 | Feb 08, 22 | CiDRA Corporate Services, Inc. |
| 11135597 | Method and system for releasing mineral from synthetic bubbles and beads | Apr 12, 18 | Oct 05, 21 | CiDRA CORPORATE SERVICES LLC |
| 11117141 | Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads | Oct 26, 17 | Sep 14, 21 | CiDRA Corporate Services, Inc. |
| 11014096 | Indirect flotation process for manufacturing white pigment containing products | Aug 08, 18 | May 25, 21 | Omya International AG |
| 11014097 | Functionalized silicones for froth flotation | Dec 13, 17 | May 25, 21 | ECOLAB USA INC. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0066,528 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE | Dec 22, 21 | Feb 29, 24 | Not available |
| 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 |
| 2022/0055,042 | ENVIRONMENTALLY-FRIENDLY COMPOSITIONS AND METHODS FOR EXTRACTING MINERALS AND METALS FROM ORE | Nov 08, 21 | Feb 24, 22 | Not available |
| 2022/0016,645 | NON-FLOTATION BASED RECOVERY OF MINERAL BEARING ORE USING HYDROPHOBIC PARTICLE COLLECTION IN A PIPELINE SECTION | Sep 30, 21 | Jan 20, 22 | Not available |
| 2021/0379,603 | OPEN CELL OR RETICULATED FOAM HAVING 3-DIMENSIONAL OPEN-NETWORK STRUCTURE MADE OF A HYDROPHOBIC MATERIAL FOR SELECTIVE SEPARATION OF MINERAL PARTICLES | Feb 07, 19 | Dec 09, 21 | Not available |
| 2021/0276,024 | COMBINED COLLECTOR FOR ZINC OXIDE ORE FLOTATION AND USE THEREOF | Nov 27, 20 | Sep 09, 21 | Not available |
| 2020/0346,224 | MINERAL BENEFICIATION METHOD USING BIOREAGENT EXTRACTED FROM GRAM POSITIVE BACTERIA | May 16, 18 | Nov 05, 20 | VALE S.A. |
| 2020/0338,571 | COMPOSITIONS AND METHODS FOR REVERSE FROTH FLOTATION OF PHOSPHATE ORES | Jul 06, 20 | Oct 29, 20 | Not available |
| 2020/0316,613 | Mineral Processing | Mar 30, 20 | Oct 08, 20 | Not available |
| 2020/0238,302 | Agglomerated Hemicellulose Compositions, Methods of Preparation Thereof, and Processes for Enriching a Desired Mineral from an Ore | Apr 13, 20 | Jul 30, 20 | Not available |
| 2020/0222,914 | PROCESS TO TREAT PHOSPHATE ORES | Dec 18, 17 | Jul 16, 20 | Not available |
| 2019/0217,311 | CATIONIC POLYMER SELECTIVE DEPRESSANTS AND USE THEREOF IN MINERAL ORE PURIFICATION METHODS | Aug 30, 17 | Jul 18, 19 | Not available |
| 2018/0078,951 | Agglomerated Hemicellulose Compositions, Methods of Preparation Thereof, and Processes for Enriching a Desired Mineral from an Ore | Sep 18, 17 | Mar 22, 18 | Not available |
| 2018/0071,752 | Depressants for Mineral Ore Flotation | Dec 18, 15 | Mar 15, 18 | KEMIRA OYJ |
| 2018/0057,679 | SULFONATED MODIFIERS FOR FROTH FLOTATION | Aug 25, 17 | Mar 01, 18 | ECOLAB USA INC. |
| 2017/0361,336 | Effluent Treatment System | Sep 01, 17 | Dec 21, 17 | Cimarron Land & Cattle Company, LLC |
| 2014/0225,021 | METHOD FOR PRODUCING A DISPERSION AND USE OF PROTEIN HYDROLYSATES AS DISPERSANTS | Sep 17, 12 | Aug 14, 14 | CLARIANT INTERNATIONAL AG |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)