Use of D9-methadone for postoperative pain relief
US-12590054-B2 · Mar 31, 2026 · US
and acyclic
and acyclic · 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 | C07C225/06 |
| Official title | and acyclic |
| Display label | and acyclic |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 11 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and materials for increasing level of phosphorylated AMPK protein
US-12428378-B2 · Sep 30, 2025 · US
Keto-ammonium compounds
US-12157714-B2 · Dec 3, 2024 · US
Use of d9-methadone for postoperative pain relief
US-2024116851-A1 · Apr 11, 2024 · US
Respiratory virus immunizing compositions
US-2023338506-A1 · Oct 26, 2023 · US
Keto-ammonium compounds
US-2023026924-A1 · Jan 26, 2023 · US
Enzyme-triggered carbon monoxide releasing molecules
US-11377435-B2 · Jul 5, 2022 · US
Compositions and methods related to tethered kethoxal derivatives
US-2022143198-A1 · May 12, 2022 · US
Method for making end compounds from internal ketones issued from the decarboxylative ketonization of fatty acids or fatty acid derivatives
US-11267781-B2 · Mar 8, 2022 · US
Fullerene compound, lubricant for magnetic recording medium, and magnetic recording medium
US-11261395-B2 · Mar 1, 2022 · US
Fullerene compound, lubricant for magnetic recording medium, and magnetic recording medium
US-2021253968-A1 · Aug 19, 2021 · US
Process of producing cycloalkylcarboxamido-indole compounds
US-2021238158-A1 · Aug 5, 2021 · US
Methods and materials for biosynthesizing multifunctional, multivariate molecules via carbon chain modification
US-10801046-B2 · Oct 13, 2020 · US
Enzyme-triggered carbon monoxide releasing molecules
US-2020115360-A1 · Apr 16, 2020 · US
Method for making end compounds from internal ketones issued from the decarboxylative ketonization of fatty acids or fatty acid derivatives
US-2019292131-A1 · Sep 26, 2019 · US
Process of producing cycloalkylcarboxamido-indole compounds
US-2019210991-A1 · Jul 11, 2019 · US
Versatile non-destructive surface modification of carbonaceous materials and process for grafting into polymer matrices
US-10316010-B2 · Jun 11, 2019 · US
Styrenyl derivative compounds for treating ophthalmic diseases and disorders
US-10201545-B2 · Feb 12, 2019 · US
Method for forming three-dimensional object
US-2018281293-A1 · Oct 4, 2018 · US
Modulators for SIRT6 and assays for screening same
US-10072282-B2 · Sep 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C225/06?
- CPC C07C225/06 is the Cooperative Patent Classification code for “and acyclic.”
- How many patents are filed under CPC C07C225/06 (and acyclic)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C07C225/06 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).