Nitrogen-free hydrogen sulphide and mercaptans scavengers
US-2023365873-A1 · Nov 16, 2023 · US
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with hydroxy or -O-metal groups bound to the aromatic rings
with hydroxy or -O-metal groups bound to the aromatic rings · 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 | C07C43/1783 |
| Official title | {with hydroxy or -O-metal groups bound to the aromatic rings} |
| Display label | with hydroxy or -O-metal groups bound to the aromatic rings |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polysubstituted benzene, preparation method thereof, and method of using the same
US-11376228-B2 · Jul 5, 2022 · US
Electrochemically active agents for pH modulation in biological buffers
US-10942146-B2 · Mar 9, 2021 · US
Polysubstituted benzene, preparation method thereof, and method of using the same
US-2020361893-A1 · Nov 19, 2020 · US
Intermolecular reaction of propargyl ethers with dimethylfuran in the presence of gold(I) complexes
US-10815178-B2 · Oct 27, 2020 · US
Intermolecular reaction of propargyl ethers with dimethylfuran in the presence of gold(i) complexes
US-2020123087-A1 · Apr 23, 2020 · US
Bridged bi-aromatic ligands and transition metal compounds prepared therefrom
US-10252967-B2 · Apr 9, 2019 · US
Intermolecular reaction of propargyl ethers with dimethylfuran in the presence of gold(i) complexes
US-2018370887-A1 · Dec 27, 2018 · US
Electrochemically active agents for pH modulation in biological buffers
US-10041905-B2 · Aug 7, 2018 · US
Electrochemically active agents for pH modulation in biological buffers
US-10011549-B2 · Jul 3, 2018 · US
Method for producing ether compound
US-9975831-B2 · May 22, 2018 · US
Multi-functional phenolic resins
US-2018118645-A1 · May 3, 2018 · US
Bridged bi-aromatic ligands and transition metal compounds prepared therefrom
US-2018086685-A1 · Mar 29, 2018 · US
Multi-functional phenolic resins
US-9868683-B2 · Jan 16, 2018 · US
Electrochemically active agents for ph modulation in biological buffers
US-2017226037-A1 · Aug 10, 2017 · US
Electrochemically active agents for ph modulation in biological buffers
US-2017205372-A1 · Jul 20, 2017 · US
Electrochemically active agents for ph modulation in biological buffers
US-2017008825-A1 · Jan 12, 2017 · US
Multi-functional phenolic resins
US-2016137570-A1 · May 19, 2016 · US
Preparation of norbornane-based PAC ballasts
US-9261781-B2 · Feb 16, 2016 · US