the six-membered aromatic ring or condensed ring system containing that ring not being further substituted · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C217/16 |
| Official title | the six-membered aromatic ring or condensed ring system containing that ring not being further substituted |
| Display label | the six-membered aromatic ring or condensed ring system containing that ring not being further substituted |
| Total patents | 19 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11066351-B2 · Jul 20, 2021 · US
US-10201545-B2 · Feb 12, 2019 · US
US-2019031586-A1 · Jan 31, 2019 · US
US-10106494-B2 · Oct 23, 2018 · US
US-2017233386-A1 · Aug 17, 2017 · US
US-9469616-B2 · Oct 18, 2016 · US
US-9452153-B2 · Sep 27, 2016 · US
US-9421210-B2 · Aug 23, 2016 · US
US-2016193181-A1 · Jul 7, 2016 · US
US-2016193160-A1 · Jul 7, 2016 · US
US-9314467-B2 · Apr 19, 2016 · US
US-2016083355-A1 · Mar 24, 2016 · US
US-2015238497-A1 · Aug 27, 2015 · US
US-2015166494-A1 · Jun 18, 2015 · US
US-2015166495-A1 · Jun 18, 2015 · US
US-9056849-B2 · Jun 16, 2015 · US
US-9035097-B2 · May 19, 2015 · US
US-9034868-B2 · May 19, 2015 · US
US-2015031738-A1 · Jan 29, 2015 · US