Triphasic flow millireactors
US-9850184-B2 · Dec 26, 2017 · US
by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings {in presence of hydrogen-containing gases and a catalyst}
by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings {in presence of hydrogen-containing gases and a catalyst} · 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 | C07C209/36 |
| Official title | by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings {in presence of hydrogen-containing gases and a catalyst} |
| Display label | by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings {in presence of hydrogen-containing gases and a catalyst} |
| Total patents | 165 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 19 |
| 2017 | 17 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 14 |
| 2021 | 10 |
| 2022 | 17 |
| 2023 | 12 |
| 2024 | 18 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of benzonorbornenes
US-9796646-B2 · Oct 24, 2017 · US
Polymer-supported transition catalyst
US-2017283343-A1 · Oct 5, 2017 · US
Process for working up waste water from nitrobenzene preparation
US-9771291-B2 · Sep 26, 2017 · US
Method for producing 1,5-diaminonaphthalene and 1-amino-5-nitronaphthalene by direct electrochemical amination of non-activated or deactivated aromatic systems on boron-doped diamond anodes
US-2017159189-A1 · Jun 8, 2017 · US
Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire
US-9663445-B2 · May 30, 2017 · US
2 amino-3,4-dihydrcquinazoline derivatives and the use thereof as cathepsin D inhibitors
US-9663475-B2 · May 30, 2017 · US
Method for self-regulation of a system
US-2017128927-A1 · May 11, 2017 · US
Triphasic flow millireactors
US-2017101358-A1 · Apr 13, 2017 · US
Multifunctional porous aramids (aerogels), fabrication thereof, and catalytic compositions derived therefrom
US-9593225-B2 · Mar 14, 2017 · US
Polymer nanoparticles
US-2017037234-A1 · Feb 9, 2017 · US
Process for the conversion of aromatic nitro compound into amines
US-9533939-B2 · Jan 3, 2017 · US
Composite catalyst and preparation method therefor
US-2016367972-A1 · Dec 22, 2016 · US
Method for producing diaminotoluene
US-9518006-B2 · Dec 13, 2016 · US
Hydrogenation reaction method
US-2016326093-A1 · Nov 10, 2016 · US
Method for stopping a reaction during the production of aromatic amines from nitroaromatics
US-9469594-B2 · Oct 18, 2016 · US
Process for the purification of aniline from gas phase hydrogenations
US-9447021-B2 · Sep 20, 2016 · US
Method for producing diaminotoluene
US-2016244402-A1 · Aug 25, 2016 · US
Inorganic nanoparticle deposited catalyst for hydrogenation and manufacturing method of the same, and hydrogenation for biomass derived hydrocarbon compounds
US-9421527-B2 · Aug 23, 2016 · US
Chemical reactor with knitted wire mesh fabric as a holding device for particles
US-9364810-B2 · Jun 14, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C209/36?
- CPC C07C209/36 is the Cooperative Patent Classification code for “by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings {in presence of hydrogen-containing gases and a catalyst}.”
- How many patents are filed under CPC C07C209/36 (by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings {in presence of hydrogen-containing gases and a catalyst})?
- Our database includes 165 publications tagged with this CPC code.
- Is patent activity under CPC C07C209/36 growing?
- Publication counts under this code: 18 in 2024 vs 4 in 2025 (latest complete years).