Process for Manufacturing Pibrentasvir Active Drug Substance
US-2025051312-A1 · Feb 13, 2025 · US
This page is not indexed by search engines while we improve data quality.
having nitro groups bound to carbon atoms of six-membered aromatic rings and hydroxy groups bound to acyclic carbon atoms
having nitro groups bound to carbon atoms of six-membered aromatic rings and hydroxy groups bound to acyclic carbon 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 | C07C205/19 |
| Official title | having nitro groups bound to carbon atoms of six-membered aromatic rings and hydroxy groups bound to acyclic carbon atoms |
| Display label | having nitro groups bound to carbon atoms of six-membered aromatic rings and hydroxy groups bound to acyclic carbon atoms |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of preparing cytotoxic benzodiazepine derivatives
US-11981687-B2 · May 14, 2024 · US
Methods of preparing cytotoxic benzodiazepine derivatives
US-2023039161-A1 · Feb 9, 2023 · US
Methods of preparing cytotoxic benzodiazepine derivatives
US-11390633-B2 · Jul 19, 2022 · US
Process for Manufacturing Pibrentasvir Active Drug Substance
US-2021171506-A1 · Jun 10, 2021 · US
Methods of preparing cytotoxic benzodiazepine derivatives
US-2021139510-A1 · May 13, 2021 · US
Methods of preparing cytotoxic benzodiazepine derivatives
US-10844078-B2 · Nov 24, 2020 · US
Methods of preparing cytotoxic benzodiazepine derivatives
US-2020002360-A1 · Jan 2, 2020 · US
Methods of preparing cytotoxic benzodiazepine derivatives
US-10385071-B2 · Aug 20, 2019 · US
Use of certain transition metal hyperaccumulator plants for reducing organic compounds in a green manner
US-10166530-B2 · Jan 1, 2019 · US
Methods of preparing cytotoxic benzodiazepine derivatives
US-2018251474-A1 · Sep 6, 2018 · US
Method of producing optically active compound
US-9687833-B2 · Jun 27, 2017 · US
Catalytic anti-markovnikov oxidation and hydration of olefins
US-9533928-B2 · Jan 3, 2017 · US
Resin composition, stretched film, circularly polarizing plate, and image display device
US-9518150-B2 · Dec 13, 2016 · US
Resin composition, stretched film, circularly polarizing plate, and image display device
US-2015247002-A1 · Sep 3, 2015 · US
Catalytic anti-markovnikov oxidation and hydration of olefins
US-9120732-B2 · Sep 1, 2015 · US
Anti-Viral Compounds
US-2015218194-A1 · Aug 6, 2015 · US
Anti-viral compounds
US-9006387-B2 · Apr 14, 2015 · US