Solid-solid separation of carbon from a hardly soluble alkaline earth sulfate
US-2026094889-A1 · Apr 2, 2026 · US
Hydrocarbons
Hydrocarbons · 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 | B03D1/006 |
| Official title | Hydrocarbons |
| Display label | Hydrocarbons |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ammoniated polycarbamide separation aids for mineral flotation
US-2026070068-A1 · Mar 12, 2026 · US
Compounds, methods, and systems for benefication of rare earth elements by flotation and gravity concentration
US-12569861-B2 · Mar 10, 2026 · US
Process and composition for treating an ore
US-2026001087-A1 · Jan 1, 2026 · US
Application of selenium-containing organic compounds in copper sulfide flotation collectors
US-12458984-B2 · Nov 4, 2025 · US
Collector composition and methods of using thereof
US-12415190-B2 · Sep 16, 2025 · US
Mixture of octene hydroformylation by-product and diesel, kerosene or C8-C20 olefins as collectors
US-12246332-B2 · Mar 11, 2025 · US
Method of acylating amino acids and uses of N-acyl amino acid products
US-12187624-B2 · Jan 7, 2025 · US
Methods for flotation recovery of value material from coarse-sized particles
US-12030062-B2 · Jul 9, 2024 · US
Application of selenium-containing organic compounds in copper sulfide flotation collectors
US-2024149276-A1 · May 9, 2024 · US
Float sorting device for selective separation of non-metallic minerals
US-11958062-B2 · Apr 16, 2024 · US
Method of acylating amino acids and uses of n-acyl amino acid products
US-2023183095-A1 · Jun 15, 2023 · US
Froth flotation process and froth stability
US-2023129507-A1 · Apr 27, 2023 · US
New frothers for minerals recovery and methods of making and using same
US-2023109502-A1 · Apr 6, 2023 · US
Froth flotation with anisotropic particle collectors
US-11413629-B2 · Aug 16, 2022 · US
Flotation performance enhancement
US-11383250-B2 · Jul 12, 2022 · US
Collector Composition and Methods of Using Thereof
US-2022193695-A1 · Jun 23, 2022 · US
Mixture of octene hydroformylation by-product and diesel, kerosene or c8-c20 olefins as collectors
US-2022176385-A1 · Jun 9, 2022 · US
Compounds, methods, and systems for benefication of rare earth elements by flotation and gravity concentration
US-2022040707-A1 · Feb 10, 2022 · US
Methods for Separating and Dewatering Fine Particles
US-2022010226-A1 · Jan 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03D1/006?
- CPC B03D1/006 is the Cooperative Patent Classification code for “Hydrocarbons.”
- How many patents are filed under CPC B03D1/006 (Hydrocarbons)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B03D1/006 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).