Acid functional compound
US-12570797-B2 · Mar 10, 2026 · US
containing phosphorus
containing phosphorus · 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 | C08G65/327 |
| Official title | containing phosphorus |
| Display label | containing phosphorus |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phosphate-containing copolymers for virulence suppression
US-12448484-B2 · Oct 21, 2025 · US
Materials and methods of using an inhibitor of plasminogen activation to treat anastomotic leak
US-12383579-B2 · Aug 12, 2025 · US
Polymer, positive electrode material composition and application thereof
US-2025011537-A1 · Jan 9, 2025 · US
Dispersant and composition
US-12163086-B2 · Dec 10, 2024 · US
Perfluoropolyether phosphate ester, method for producing the same, and surface treatment agent comprising the same as active ingredient
US-12157752-B2 · Dec 3, 2024 · US
Use of polyolethers for producing porous plastic coatings
US-12031006-B2 · Jul 9, 2024 · US
Near-infrared absorbing composition, near-infrared absorbing film, and image sensor for solid-state imaging element
US-11971563-B2 · Apr 30, 2024 · US
Biocide free associative thickener
US-11965091-B2 · Apr 23, 2024 · US
Coating composition
US-11840643-B2 · Dec 12, 2023 · US
Phosphate-containing copolymers for virulence suppression
US-2023357500-A1 · Nov 9, 2023 · US
Positive electrode slurry, positive electrode plate and secondary battery comprising the positive electrode plate
US-2023231137-A1 · Jul 20, 2023 · US
Non-ionic and anionic surfactants based on tocopherol
US-2023203209-A1 · Jun 29, 2023 · US
Universal dispersant
US-11632952-B2 · Apr 25, 2023 · US
Universal dispersant
US-2023032259-A1 · Feb 2, 2023 · US
Dispersant and composition
US-2022403247-A1 · Dec 22, 2022 · US
Amine functional compound
US-11453748-B2 · Sep 27, 2022 · US
Poly(ethylene glycol) derivative and protein-adsorption inhibitor
US-11442062-B2 · Sep 13, 2022 · US
Use of two-tail long-chain anionic surfactants in aqueous polyurethane dispersions
US-2021403493-A1 · Dec 30, 2021 · US
Materials and methods of using an inhibitor of plasminogen activation to treat anastomotic leak
US-2021252040-A1 · Aug 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G65/327?
- CPC C08G65/327 is the Cooperative Patent Classification code for “containing phosphorus.”
- How many patents are filed under CPC C08G65/327 (containing phosphorus)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C08G65/327 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).