Catalyst mixture
US-2020290024-A1 · Sep 17, 2020 · US
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by reduction of nitroso groups
by reduction of nitroso groups · 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 | C07C209/38 |
| Official title | by reduction of nitroso groups |
| Display label | by reduction of nitroso groups |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for treating nitroso compound
US-10434459-B2 · Oct 8, 2019 · US
Methods of chemical synthesis of diaminophenothiazinium compounds including methylthioninium chloride (MTC)
US-10421733-B2 · Sep 24, 2019 · US
Methods of chemical synthesis of diaminophenothiazinium compounds including methylthioninium chloride (mtc)
US-2018327372-A1 · Nov 15, 2018 · US
Methods of chemical synthesis of Diaminophenothiazinium compounds including methylthioninium chloride (MTC)
US-10047062-B2 · Aug 14, 2018 · US
Method and device for treating nitroso compound
US-2018001252-A1 · Jan 4, 2018 · US
Methods of chemical synthesis of diaminophenothiazinium compounds including methylthioninium chloride (mtc)
US-2017342041-A1 · Nov 30, 2017 · US
Methods of chemical synthesis of diaminophenothiazinium compounds including methylthioninium chloride (MTC)
US-9765042-B2 · Sep 19, 2017 · US
Methods of chemical synthesis of diaminophenothiazinium compounds including methylthioninium chloride (mtc)
US-2016251325-A1 · Sep 1, 2016 · US
Polymer supported reagents and methods or reducing aromatic nitro compounds by using the same
US-9169200-B2 · Oct 27, 2015 · US