Factors controlling drug release in cross-linked poly(valerolactone) based matrices
US-2024368351-A1 · Nov 7, 2024 · US
Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (polyester-amides C08G69/44; polyester-imides C08G73/16) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G63/00 |
| Official title | Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (polyester-amides C08G69/44; polyester-imides C08G73/16) |
| Display label | Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (polyester-amides C08G69/44; polyester-imides C08G73/16) |
| Total patents | 239 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 41 |
| 2016 | 28 |
| 2017 | 36 |
| 2018 | 29 |
| 2019 | 28 |
| 2020 | 20 |
| 2021 | 19 |
| 2022 | 11 |
| 2023 | 6 |
| 2024 | 13 |
| 2025 | 7 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024368351-A1 · Nov 7, 2024 · US
US-2024110020-A1 · Apr 4, 2024 · US
US-9527952-B1 · Dec 27, 2016 · US
US-9519235-B2 · Dec 13, 2016 · US
US-9447230-B2 · Sep 20, 2016 · US
US-2016208057-A1 · Jul 21, 2016 · US
US-9395637-B2 · Jul 19, 2016 · US
US-2016147165-A1 · May 26, 2016 · US
US-2016145285-A1 · May 26, 2016 · US
US-2016137833-A1 · May 19, 2016 · US
US-9327269-B2 · May 3, 2016 · US
US-2016115273-A1 · Apr 28, 2016 · US
US-2016108170-A1 · Apr 21, 2016 · US
US-2016102172-A1 · Apr 14, 2016 · US
US-9296835-B2 · Mar 29, 2016 · US
US-2016083752-A1 · Mar 24, 2016 · US
US-2016060387-A1 · Mar 3, 2016 · US
US-2016009841-A1 · Jan 14, 2016 · US
US-2016009854-A1 · Jan 14, 2016 · US
US-2015376331-A1 · Dec 31, 2015 · US
Answers are generated from the same data shown on this page.