Methods for Pollucite Flotation, Plagioclase Flotation, and Quartz Purification
US-2024359190-A1 · Oct 31, 2024 · US
containing sulfur
containing sulfur · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B03D1/012 |
| Official title | containing sulfur |
| Display label | containing sulfur |
| Total patents | 119 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 15 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 12 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 4 |
| 2023 | 8 |
| 2024 | 12 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dithiocarbamate depressants, methods and uses thereof in froth flotation mineral separation
US-2024149277-A1 · May 9, 2024 · US
Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity
US-2019389741-A1 · Dec 26, 2019 · US
Collector compositions and methods of using same in mineral flotation processes
US-10478829-B2 · Nov 19, 2019 · US
Compositions and methods for selective separation of minerals from sulfide ores
US-2019336984-A1 · Nov 7, 2019 · US
Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity
US-10435308-B2 · Oct 8, 2019 · US
Enrichment of metal sulfide ores by oxidant assisted froth flotation
US-10413914-B2 · Sep 17, 2019 · US
Glycerides and fatty acid mixtures and methods of using same
US-10384958-B2 · Aug 20, 2019 · US
Method for removing heavy metals from an aqueous solution
US-2019248682-A1 · Aug 15, 2019 · US
Use of branched alcohols and alkoxylates thereof as secondary collectors
US-10376901-B2 · Aug 13, 2019 · US
Compositions and methods for selective separation of minerals from sulfide ores
US-10369577-B2 · Aug 6, 2019 · US
Method of using flotation collector containing azolethione structure
US-2019217310-A1 · Jul 18, 2019 · US
Flotation agent of thiol ether structure
US-2019151860-A1 · May 23, 2019 · US
Methods for flotation recovery of value material from coarse-sized particles
US-2019111442-A1 · Apr 18, 2019 · US
Compositions and methods for reverse froth flotation of phosphate ores
US-2018345297-A1 · Dec 6, 2018 · US
Flotation reagents and flotation processes utilizing same
US-10130956-B2 · Nov 20, 2018 · US
Stable aqueous composition of neutral collectors and their use in mineral beneficiation processes
US-10105713-B2 · Oct 23, 2018 · US
Depressants for mineral ore flotation
US-10081021-B2 · Sep 25, 2018 · US
Recovery of Molybdenum Using Sodium Metabisulfite and a Thiocarbonate Depressant
US-2018257089-A1 · Sep 13, 2018 · US
Compositions and methods for selective separation of minerals from sulfide ores
US-2018099293-A1 · Apr 12, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03D1/012?
- CPC B03D1/012 is the Cooperative Patent Classification code for “containing sulfur.”
- How many patents are filed under CPC B03D1/012 (containing sulfur)?
- Our database includes 119 publications tagged with this CPC code.
- Is patent activity under CPC B03D1/012 growing?
- Publication counts under this code: 12 in 2024 vs 9 in 2025 (latest complete years).