Method for purifying waste solvent
US-11465906-B2 · Oct 11, 2022 · US
Preparation of hydroorganogels or organogels · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B33/155 |
| Official title | Preparation of hydroorganogels or organogels |
| Display label | Preparation of hydroorganogels or organogels |
| Total patents | 109 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 13 |
| 2019 | 12 |
| 2020 | 13 |
| 2021 | 2 |
| 2022 | 16 |
| 2023 | 14 |
| 2024 | 12 |
| 2025 | 13 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11465906-B2 · Oct 11, 2022 · US
US-2022242739-A1 · Aug 4, 2022 · US
US-2022219996-A1 · Jul 14, 2022 · US
US-11383985-B2 · Jul 12, 2022 · US
US-2022204350-A1 · Jun 30, 2022 · US
US-11279622-B2 · Mar 22, 2022 · US
US-2022080377-A1 · Mar 17, 2022 · US
US-2022072734-A1 · Mar 10, 2022 · US
US-2022064010-A1 · Mar 3, 2022 · US
US-10941897-B2 · Mar 9, 2021 · US
US-10882750-B2 · Jan 5, 2021 · US
US-2020377373-A1 · Dec 3, 2020 · US
US-2020376464-A1 · Dec 3, 2020 · US
US-10829380-B2 · Nov 10, 2020 · US
US-10766779-B2 · Sep 8, 2020 · US
US-10759666-B2 · Sep 1, 2020 · US
US-2020270137-A1 · Aug 27, 2020 · US
US-2020231452-A1 · Jul 23, 2020 · US
US-2020231453-A1 · Jul 23, 2020 · US
US-2020189920-A1 · Jun 18, 2020 · US
Answers are generated from the same data shown on this page.