Nanocrystalline complex, preparation method therefor, and use thereof
US-2025208505-A1 · Jun 26, 2025 · US
Glutaric acid esters · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C69/42 |
| Official title | Glutaric acid esters |
| Display label | Glutaric acid esters |
| Total patents | 35 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025208505-A1 · Jun 26, 2025 · US
US-2025207020-A1 · Jun 26, 2025 · US
US-12178875-B2 · Dec 31, 2024 · US
US-2024207411-A1 · Jun 27, 2024 · US
US-11883497-B2 · Jan 30, 2024 · US
US-11596617-B2 · Mar 7, 2023 · US
US-2022380678-A1 · Dec 1, 2022 · US
US-11344525-B2 · May 31, 2022 · US
US-11337952-B2 · May 24, 2022 · US
US-11337951-B2 · May 24, 2022 · US
US-11337950-B2 · May 24, 2022 · US
US-2022001015-A1 · Jan 6, 2022 · US
US-11198670-B2 · Dec 14, 2021 · US
US-11090255-B2 · Aug 17, 2021 · US
US-2021030708-A1 · Feb 4, 2021 · US
US-2020383944-A1 · Dec 10, 2020 · US
US-10807942-B2 · Oct 20, 2020 · US
US-2020306217-A1 · Oct 1, 2020 · US
US-2020297687-A1 · Sep 24, 2020 · US
US-2020297688-A1 · Sep 24, 2020 · US
Answers are generated from the same data shown on this page.