Composite membranes, methods of making same, and applications of same
US-10141593-B2 · Nov 27, 2018 · US
Polyalkylene oxides · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08J2471/02 |
| Official title | Polyalkylene oxides |
| Display label | Polyalkylene oxides |
| Total patents | 427 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 19 |
| 2017 | 23 |
| 2018 | 40 |
| 2019 | 35 |
| 2020 | 54 |
| 2021 | 42 |
| 2022 | 57 |
| 2023 | 46 |
| 2024 | 42 |
| 2025 | 39 |
| 2026 | 16 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10141593-B2 · Nov 27, 2018 · US
US-2018280893-A1 · Oct 4, 2018 · US
US-2018086910-A1 · Mar 29, 2018 · US
US-2018079944-A1 · Mar 22, 2018 · US
US-2017362380-A1 · Dec 21, 2017 · US
US-2017349721-A1 · Dec 7, 2017 · US
US-2017348465-A1 · Dec 7, 2017 · US
US-9834650-B2 · Dec 5, 2017 · US
US-2017342267-A1 · Nov 30, 2017 · US
US-2017321017-A1 · Nov 9, 2017 · US
US-9809687-B2 · Nov 7, 2017 · US
US-2017298170-A1 · Oct 19, 2017 · US
US-2017283542-A1 · Oct 5, 2017 · US
US-2017282128-A1 · Oct 5, 2017 · US
US-2017247521-A1 · Aug 31, 2017 · US
US-2017238547-A1 · Aug 24, 2017 · US
US-2017218223-A1 · Aug 3, 2017 · US
US-2017198437-A1 · Jul 13, 2017 · US
US-9688828-B2 · Jun 27, 2017 · US
US-2017162292-A1 · Jun 8, 2017 · US
Answers are generated from the same data shown on this page.