Production and separation of 3,3′-, 3,4′- and 4,4′-dimethyl biphenyl isomers
US-10138176-B2 · Nov 27, 2018 · US
of aromatic six-membered rings · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C5/10 |
| Official title | of aromatic six-membered rings |
| Display label | of aromatic six-membered rings |
| Total patents | 176 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 15 |
| 2017 | 14 |
| 2018 | 23 |
| 2019 | 23 |
| 2020 | 16 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 12 |
| 2024 | 17 |
| 2025 | 11 |
| 2026 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10138176-B2 · Nov 27, 2018 · US
US-10131593-B2 · Nov 20, 2018 · US
US-2018305626-A1 · Oct 25, 2018 · US
US-10081580-B2 · Sep 25, 2018 · US
US-2018222817-A1 · Aug 9, 2018 · US
US-2018215685-A1 · Aug 2, 2018 · US
US-2018207622-A1 · Jul 26, 2018 · US
US-2018141026-A1 · May 24, 2018 · US
US-2018142066-A1 · May 24, 2018 · US
US-2018093889-A1 · Apr 5, 2018 · US
US-9919986-B2 · Mar 20, 2018 · US
US-9896390-B2 · Feb 20, 2018 · US
US-2018037522-A1 · Feb 8, 2018 · US
US-9873646-B2 · Jan 23, 2018 · US
US-9862658-B2 · Jan 9, 2018 · US
US-2017369793-A1 · Dec 28, 2017 · US
US-2017362155-A1 · Dec 21, 2017 · US
US-2017354961-A1 · Dec 14, 2017 · US
US-2017349840-A1 · Dec 7, 2017 · US
US-2017342331-A1 · Nov 30, 2017 · US
Answers are generated from the same data shown on this page.