Compositions and methods for froth flotation of mineral ores
US-2025345805-A1 · Nov 13, 2025 · US
by additives
by additives · 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 | B03B1/04 |
| Official title | by additives |
| Display label | by additives |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 11 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
MySx/ZSH mixture as sulfidizing agent
US-12364990-B2 · Jul 22, 2025 · US
Acoustic separation of particles for bioprocessing
US-2025198985-A1 · Jun 19, 2025 · US
Acoustic separation of particles for bioprocessing
US-12332235-B2 · Jun 17, 2025 · US
Acoustic separation of particles for bioprocessing
US-12265077-B2 · Apr 1, 2025 · US
Acoustic separation of particles for bioprocessing
US-2024110908-A1 · Apr 4, 2024 · US
Acoustic separation of particles for bioprocessing
US-11835513-B2 · Dec 5, 2023 · US
Mineral separation using functionalized membranes
US-11731143-B2 · Aug 22, 2023 · US
Method and system for recovering pulp fibers from used absorbent articles
US-11673172-B2 · Jun 13, 2023 · US
Froth flotation process and froth stability
US-2023129507-A1 · Apr 27, 2023 · US
MySx/ZSH MIXTURE AS SULFIDIZING AGENT
US-2022184630-A1 · Jun 16, 2022 · US
Cleaning and dewatering fine coal
US-11331676-B2 · May 17, 2022 · US
Acoustic separation for bioprocessing
US-11291756-B2 · Apr 5, 2022 · US
Methods for Separating and Dewatering Fine Particles
US-2022010226-A1 · Jan 13, 2022 · US
Acoustic separation of particles for bioprocessing
US-2021293781-A1 · Sep 23, 2021 · US
Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads
US-11117141-B2 · Sep 14, 2021 · US
Recovery method for organic acid, and production method for recycled pulp
US-11021839-B2 · Jun 1, 2021 · US
Acoustic separation of particles for bioprocessing
US-10914723-B2 · Feb 9, 2021 · US
Methods for separating and dewatering fine particles
US-10913912-B2 · Feb 9, 2021 · US
Method for producing aggregates from returned concrete
US-10875032-B2 · Dec 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03B1/04?
- CPC B03B1/04 is the Cooperative Patent Classification code for “by additives.”
- How many patents are filed under CPC B03B1/04 (by additives)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC B03B1/04 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).