Compositions, methods and uses
US-2025206952-A1 · Jun 26, 2025 · US
Condensation polymers of aldehydes or ketones
Condensation polymers of aldehydes or ketones · 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 | C10L1/1981 |
| Official title | {Condensation polymers of aldehydes or ketones} |
| Display label | Condensation polymers of aldehydes or ketones |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 15 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermally stable macromolecular compound and petroleum composition including the same
US-12163103-B2 · Dec 10, 2024 · US
Use of a composition of additives for reducing diesel vehicle emissions
US-2024336857-A1 · Oct 10, 2024 · US
Compositions And Methods Of Dispergating Paraffins In Sulphur-Low Fuel Oils
US-2024218276-A1 · Jul 4, 2024 · US
Wax anti-settling additive composition for use in diesel fuels
US-12012565-B2 · Jun 18, 2024 · US
Compositions and methods of dispergating paraffins in sulphur-low fuel oils
US-11993756-B2 · May 28, 2024 · US
Wax inhibitors with improved flowability
US-11981876-B2 · May 14, 2024 · US
Dispersions of polymeric oil additives
US-11976248-B2 · May 7, 2024 · US
Compositions And Methods Of Dispergating Paraffins In Sulphur-Low Fuel Oils
US-2023340351-A1 · Oct 26, 2023 · US
Thermally Stable Macromolecular Compound and Petroleum Composition Including the Same
US-2023212472-A1 · Jul 6, 2023 · US
Thermally stable macromolecular compound and petroleum composition including the same
US-11560526-B2 · Jan 24, 2023 · US
Wax anti-settling additive composition for use in diesel fuels
US-2022389341-A1 · Dec 8, 2022 · US
Wax Inhibitors With Improved Flowability
US-2022315850-A1 · Oct 6, 2022 · US
Methods of using ionic liquid based asphaltene inhibitors
US-11124692-B2 · Sep 21, 2021 · US
Demulsifier for quaternary ammonium salt containing fuels
US-11008526-B2 · May 18, 2021 · US
Paraffin inhibitor composition for use at low temperatures
US-10961474-B2 · Mar 30, 2021 · US
Alkylphenol copolymer
US-10961476-B2 · Mar 30, 2021 · US
Asphaltene dispersant composition
US-10961475-B2 · Mar 30, 2021 · US
Demulsifier for quaternary ammonium salt containing fuels
US-2021024844-A1 · Jan 28, 2021 · US
Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels
US-10858608-B2 · Dec 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10L1/1981?
- CPC C10L1/1981 is the Cooperative Patent Classification code for “Condensation polymers of aldehydes or ketones.”
- How many patents are filed under CPC C10L1/1981 (Condensation polymers of aldehydes or ketones)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC C10L1/1981 growing?
- Publication counts under this code: 7 in 2024 vs 1 in 2025 (latest complete years).