Branched monodispersed polyethylene glycol, intermediate and methods for producing same
US-11905367-B2 · Feb 20, 2024 · US
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having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is further substituted by halogen atoms or by nitro or nitroso groups
having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is further substituted by halogen atoms or by nitro or 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 | C07C217/26 |
| Official title | having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is further substituted by halogen atoms or by nitro or nitroso groups |
| Display label | having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is further substituted by halogen atoms or by nitro or nitroso groups |
| Total patents | 24 |
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 | 4 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Perfluorinated 1-alkoxypropenes, compositions, and methods and apparatuses for using same
US-11673861-B2 · Jun 13, 2023 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-11066617-B2 · Jul 20, 2021 · US
Branched monodispersed polyethylene glycol, intermediate and methods for producing same
US-2021009757-A1 · Jan 14, 2021 · US
Perfluorinated 1-alkoxypropenes, compositions, and methods and apparatuses for using same
US-2020386488-A1 · Dec 10, 2020 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-10626341-B2 · Apr 21, 2020 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-2019309234-A1 · Oct 10, 2019 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-10351791-B2 · Jul 16, 2019 · US
Amine-containing acyclic hydrofluoroethers and methods of using the same
US-10344006-B2 · Jul 9, 2019 · US
Nitrogen containing hydrofluoroethers and methods of using same
US-10308592-B2 · Jun 4, 2019 · US
Amine-containing acyclic hydrofluoroethers and methods of using the same
US-2019040024-A1 · Feb 7, 2019 · US
Compounds and compositions for treating HIV with derivatives of Betulin
US-10064873-B2 · Sep 4, 2018 · US
Derivatives of betulin
US-2017348324-A1 · Dec 7, 2017 · US
Nitrogen containing hydrofluoroethers and methods of using same
US-2017283365-A1 · Oct 5, 2017 · US
Compounds and compositions for treating hiv with derivatives of betulin
US-2017252356-A1 · Sep 7, 2017 · US
BAX agonist, compositions, and methods related thereto
US-9402850-B2 · Aug 2, 2016 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-2016160142-A1 · Jun 9, 2016 · US
Quaternary ammonium compounds as fuel or lubricant additives
US-2016152910-A1 · Jun 2, 2016 · US
Derivatives of betulin
US-2016120878-A1 · May 5, 2016 · US
Processes and reagents for making diaryliodonium salts
US-9278959-B2 · Mar 8, 2016 · US