Polysaccharide-polyamine copolymers for removal of phosphate
US-2025082668-A1 · Mar 13, 2025 · US
Oxidised amylose; Oxidised amylopectin · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08L3/20 |
| Official title | Oxidised amylose; Oxidised amylopectin |
| Display label | Oxidised amylose; Oxidised amylopectin |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025082668-A1 · Mar 13, 2025 · US
US-12186336-B2 · Jan 7, 2025 · US
US-2021038638-A1 · Feb 11, 2021 · US
US-10849927-B2 · Dec 1, 2020 · US
US-2018099007-A1 · Apr 12, 2018 · US
US-9267030-B2 · Feb 23, 2016 · US