Mono-substituted cyclopentadienes and metal cyclopentadienyl complexes and synthesis methods thereof
US-12091374-B2 · Sep 17, 2024 · US
having unsaturation in the rings · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C22/02 |
| Official title | having unsaturation in the rings |
| Display label | having unsaturation in the rings |
| Total patents | 15 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2022 | 2 |
| 2024 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12091374-B2 · Sep 17, 2024 · US
US-11274069-B2 · Mar 15, 2022 · US
US-2022048837-A1 · Feb 17, 2022 · US
US-9878970-B1 · Jan 30, 2018 · US
US-2018016211-A1 · Jan 18, 2018 · US
US-2017321118-A1 · Nov 9, 2017 · US
US-9796646-B2 · Oct 24, 2017 · US
US-9328126-B2 · May 3, 2016 · US
US-9304393-B2 · Apr 5, 2016 · US
US-9249071-B2 · Feb 2, 2016 · US
US-9193665-B2 · Nov 24, 2015 · US
US-9115043-B2 · Aug 25, 2015 · US
US-2015197480-A9 · Jul 16, 2015 · US
US-2015141712-A1 · May 21, 2015 · US
US-9012705-B2 · Apr 21, 2015 · US