Biodegradable ultra-pH sensitive polymers
US-12365761-B2 · Jul 22, 2025 · US
containing sulfur
containing sulfur · 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 | C08G64/025 |
| Official title | {containing sulfur} |
| Display label | containing sulfur |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the synthesis of polycarbonates from cyclic monothiocarbonates
US-12365760-B2 · Jul 22, 2025 · US
Post polymerization modification in flow
US-12227615-B2 · Feb 18, 2025 · US
Process for the preparation of functionalized terpolymers from epoxides and carbon dioxide
US-2024360276-A1 · Oct 31, 2024 · US
Biocompatible and biodegradable antiviral polymers
US-12128063-B2 · Oct 29, 2024 · US
Anti-tumor nano adjuvant based on vesicle formed by cross-linked biodegradable polymer, preparation method therefor and use thereof
US-2023256091-A1 · Aug 17, 2023 · US
Biocompatible and biodegradable antiviral polymers
US-2023122378-A1 · Apr 20, 2023 · US
Post polymerization modification in flow
US-2023032345-A1 · Feb 2, 2023 · US
Biodegradable hydrogel and methods for use thereof
US-2022387596-A1 · Dec 8, 2022 · US
Post polymerization modification in flow
US-11518849-B2 · Dec 6, 2022 · US
Biodegradable ultra-ph sensitive polymers
US-2022380534-A1 · Dec 1, 2022 · US
Polymers, processes, compositions and uses
US-11512165-B2 · Nov 29, 2022 · US
Biodegradable hydrogel and methods for use thereof
US-11478550-B2 · Oct 25, 2022 · US
Process for the synthesis of polycarbonates from cyclic monothiocarbonates
US-2022220254-A1 · Jul 14, 2022 · US
Lewis acid-base pair catalytic initiator and application thereof
US-11247199-B2 · Feb 15, 2022 · US
Post polymerization modification in flow
US-2021363296-A1 · Nov 25, 2021 · US
Lewis acid-base pair catalytic initiator and application thereof
US-2021316287-A1 · Oct 14, 2021 · US
Process for producing polyol
US-2021292478-A1 · Sep 23, 2021 · US
Supramolecular structure and method of manufacturing the same and self-healing elastomer
US-11001676-B2 · May 11, 2021 · US
Polymers, processes, compositions & uses
US-2021002419-A1 · Jan 7, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G64/025?
- CPC C08G64/025 is the Cooperative Patent Classification code for “containing sulfur.”
- How many patents are filed under CPC C08G64/025 (containing sulfur)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C08G64/025 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).