Method and apparatus for dewatering biological solid material employing both microwave irradiation and solvent extraction
US-2018345337-A1 · Dec 6, 2018 · US
using organic substances (C02F11/148 takes precedence)
using organic substances (C02F11/148 takes precedence) · 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 | C02F11/147 |
| Official title | using organic substances (C02F11/148 takes precedence) |
| Display label | using organic substances (C02F11/148 takes precedence) |
| Total patents | 215 |
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 | 23 |
| 2018 | 20 |
| 2019 | 23 |
| 2020 | 32 |
| 2021 | 22 |
| 2022 | 25 |
| 2023 | 11 |
| 2024 | 17 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dewatering whole stillage
US-2018346364-A1 · Dec 6, 2018 · US
Treatment of mature fine tailings in produced water by flocculation and dewatering
US-2018273405-A1 · Sep 27, 2018 · US
Method for preparing a dry cationic hydrogel polymer product, polymer product and its use
US-10081689-B2 · Sep 25, 2018 · US
Method for treating suspensions of solid particles in water using amphoteric polymers
US-2018264381-A1 · Sep 20, 2018 · US
Flocculation of high-solids mineral slurries
US-2018201528-A1 · Jul 19, 2018 · US
Method of manufacturing filter aid
US-9963728-B2 · May 8, 2018 · US
Filtration Aid and Filtration Treatment Method
US-2018111110-A1 · Apr 26, 2018 · US
Process for flocculating and dewatering oil sand mature fine tailings
US-2018079966-A1 · Mar 22, 2018 · US
Air pollution control system and air pollution control method
US-9895658-B2 · Feb 20, 2018 · US
Alternative additives to enhance slurry dewatering
US-9896366-B2 · Feb 20, 2018 · US
Processes and treatment systems for treating high phosphorous containing fluids
US-2017369344-A1 · Dec 28, 2017 · US
Method for dewatering sludge assisted by a flocculating reagent and facility for implementing such a method
US-2017349470-A1 · Dec 7, 2017 · US
Method for preparing a dry cationic hydrogel polymer product, polymer product and its use
US-2017320979-A1 · Nov 9, 2017 · US
Treatment of waste products with anaerobic digestion
US-9809481-B2 · Nov 7, 2017 · US
Method for treating mineral sludge by flocculation in-line then above ground
US-9809482-B2 · Nov 7, 2017 · US
Abrasive regeneration method
US-9802337-B2 · Oct 31, 2017 · US
Method for thickening or dehydrating sludge
US-9790111-B2 · Oct 17, 2017 · US
Processes and treatment systems for treating high phosphorous containing fluids
US-9790110-B2 · Oct 17, 2017 · US
Use of celluloses in sludge dewatering, and sludge products thereof
US-9776900-B2 · Oct 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F11/147?
- CPC C02F11/147 is the Cooperative Patent Classification code for “using organic substances (C02F11/148 takes precedence).”
- How many patents are filed under CPC C02F11/147 (using organic substances (C02F11/148 takes precedence))?
- Our database includes 215 publications tagged with this CPC code.
- Is patent activity under CPC C02F11/147 growing?
- Publication counts under this code: 17 in 2024 vs 13 in 2025 (latest complete years).