Processes for the preparation of zuclomiphene and intermediates thereof
US-11046638-B2 · Jun 29, 2021 · US
linked by carbon chains having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C217/60 |
| Official title | linked by carbon chains having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring |
| Display label | linked by carbon chains having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring |
| 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 | 11 |
| 2016 | 12 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11046638-B2 · Jun 29, 2021 · US
US-2021147337-A1 · May 20, 2021 · US
US-2021077427-A1 · Mar 18, 2021 · US
US-10729775-B2 · Aug 4, 2020 · US
US-10722479-B2 · Jul 28, 2020 · US
US-10639286-B2 · May 5, 2020 · US
US-10590056-B2 · Mar 17, 2020 · US
US-2020071735-A1 · Mar 5, 2020 · US
US-10562843-B2 · Feb 18, 2020 · US
US-2020000794-A1 · Jan 2, 2020 · US
US-2019248732-A1 · Aug 15, 2019 · US
US-10369120-B2 · Aug 6, 2019 · US
US-2019229272-A1 · Jul 25, 2019 · US
US-10351883-B2 · Jul 16, 2019 · US
US-2019183816-A1 · Jun 20, 2019 · US
US-10315993-B2 · Jun 11, 2019 · US
US-10308591-B2 · Jun 4, 2019 · US
US-10196345-B2 · Feb 5, 2019 · US
US-10188615-B2 · Jan 29, 2019 · US
US-10144703-B2 · Dec 4, 2018 · US
Answers are generated from the same data shown on this page.