Carbonate derivative production method
US-11130728-B2 · Sep 28, 2021 · US
Preparation of esters of carbonic or haloformic acids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C68/00 |
| Official title | Preparation of esters of carbonic or haloformic acids |
| Display label | Preparation of esters of carbonic or haloformic acids |
| Total patents | 77 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11130728-B2 · Sep 28, 2021 · US
US-2021189439-A1 · Jun 24, 2021 · US
US-11028065-B1 · Jun 8, 2021 · US
US-10821430-B2 · Nov 3, 2020 · US
US-10737998-B2 · Aug 11, 2020 · US
US-2020239402-A1 · Jul 30, 2020 · US
US-10662192-B2 · May 26, 2020 · US
US-2020140399-A1 · May 7, 2020 · US
US-2020122114-A1 · Apr 23, 2020 · US
US-10597357-B2 · Mar 24, 2020 · US
US-2020079723-A1 · Mar 12, 2020 · US
US-10497974-B2 · Dec 3, 2019 · US
US-10487048-B2 · Nov 26, 2019 · US
US-10442751-B2 · Oct 15, 2019 · US
US-10336681-B2 · Jul 2, 2019 · US
US-2019184387-A1 · Jun 20, 2019 · US
US-10294189-B2 · May 21, 2019 · US
US-2019144370-A1 · May 16, 2019 · US
US-2019144450-A1 · May 16, 2019 · US
US-2019119192-A1 · Apr 25, 2019 · US
Answers are generated from the same data shown on this page.