Flocculant, filter, and waste liquid treating method
US-2022048796-A1 · Feb 17, 2022 · US
using organic material
using organic material · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F1/54 |
| Official title | using organic material |
| Display label | using organic material |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Extract of plant powder, and water purifier
US-2021380444-A1 · Dec 9, 2021 · US
Flocculant, filter, and waste liquid treating method
US-11174179-B2 · Nov 16, 2021 · US
Iron chelators as activators in alkaline flotation circuits
US-2021260603-A1 · Aug 26, 2021 · US
Separating rare earth metal oxalates
US-11090579-B2 · Aug 17, 2021 · US
Systems and methods of reducing selenium contamination in waste water
US-11091378-B2 · Aug 17, 2021 · US
Methods, products & uses relating to scavenging of acidic sulfide species
US-2021179926-A1 · Jun 17, 2021 · US
Apparatus and methods for treating wastewater
US-10947142-B2 · Mar 16, 2021 · US
Compound heavy metal chelating agent containing dithiocarboxylate functionalized ethoxylated pentaerythritol core hyperbranched polymer
US-2020377391-A1 · Dec 3, 2020 · US
Surface-coated calcium carbonate-containing material and process for the purification of water
US-10843932-B2 · Nov 24, 2020 · US
Wet paint booth circulating water treatment agent
US-10793453-B2 · Oct 6, 2020 · US
Systems and methods of reducing selenium contamination in waste water
US-2020299156-A1 · Sep 24, 2020 · US
Method of determining residual flocculant in effluent of an industrial clarification process
US-10782241-B2 · Sep 22, 2020 · US
Chemical Oxygen Demand (COD) Removal Powder Mixture
US-2020198998-A1 · Jun 25, 2020 · US
Method for separating solid particles from a waterbody
US-10532298-B2 · Jan 14, 2020 · US
Flocculant, filter, and waste liquid treating method
US-2019322555-A1 · Oct 24, 2019 · US
Clarifying water and wastewater with fungal treatment/bioflocculation
US-2019256391-A1 · Aug 22, 2019 · US
Colloidal silica addition to promote the separation of oil from water
US-2019256375-A1 · Aug 22, 2019 · US
Extract of plant powder, and water purifier
US-2019256387-A1 · Aug 22, 2019 · US
Glycerides and fatty acid mixtures and methods of using same
US-10384958-B2 · Aug 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/54?
- CPC C02F1/54 is the Cooperative Patent Classification code for “using organic material.”
- How many patents are filed under CPC C02F1/54 (using organic material)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/54 growing?
- Publication counts under this code: 6 in 2024 vs 11 in 2025 (latest complete years).