Process for catalytic hydrogenation of halonitroaromatics
US-11820725-B2 · Nov 21, 2023 · US
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the halogen being two chlorine atoms
the halogen being two chlorine atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C39/30 |
| Official title | the halogen being two chlorine atoms |
| Display label | the halogen being two chlorine atoms |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Emission control during catalyst regeneration
US-11806703-B2 · Nov 7, 2023 · US
Process for preparation of 5-bromo-1,3-dichloro-2-fluoro-benzene
US-11440861-B2 · Sep 13, 2022 · US
Process for preparation of 5-bromo-1,3-dichloro-2-fluoro-benzene
US-2022017439-A1 · Jan 20, 2022 · US
Process for catalytic hydrogenation of halonitroaromatics
US-11225454-B2 · Jan 18, 2022 · US
Emission control during catalyst regeneration
US-11065611-B2 · Jul 20, 2021 · US
Processes for preparing 2,5-dichlorophenol
US-11008276-B2 · May 18, 2021 · US
Processes for preparing 2,5-dichlorophenol
US-2020216379-A1 · Jul 9, 2020 · US
Processes for preparing 2,5-dichlorophenol
US-10550063-B2 · Feb 4, 2020 · US
Separation of dichlorophenols
US-10343965-B2 · Jul 9, 2019 · US
Selective hydrolysis and alcoholysis of chlorinated benzenes
US-10093607-B2 · Oct 9, 2018 · US
Separation of dichlorophenols
US-2018179132-A1 · Jun 28, 2018 · US
Process for producing 2,5-dihalophenolethers
US-9957212-B2 · May 1, 2018 · US
Processes for preparing 2,5-dichlorophenol
US-2017247310-A1 · Aug 31, 2017 · US
Process for purifying 2,5-dichlorophenol
US-9701604-B2 · Jul 11, 2017 · US
Process for hydrolyzing 1,2,4-trihalobenzene
US-9643909-B2 · May 9, 2017 · US
Process for Purifying 2,5-Dichlorophenol
US-2016304425-A1 · Oct 20, 2016 · US