Synthetic methods of making (2H-1, 2, 3-triazol-2-yl) phenyl compounds as orexin receptor modulators
US-12570658-B2 · Mar 10, 2026 · US
of hydrazones
of hydrazones · 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 | C07C249/16 |
| Official title | of hydrazones |
| Display label | of hydrazones |
| Total patents | 45 |
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 | 7 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process of preparation of indoxacarb and its intermediates
US-2025171409-A1 · May 29, 2025 · US
Materials and methods for iodine capture
US-2024300889-A1 · Sep 12, 2024 · US
Formation of amidines and intramolecular reaction thereof
US-2024300888-A1 · Sep 12, 2024 · US
Cyclotetrabenzil compounds for electrochemical lithium-ion storage
US-2024290976-A1 · Aug 29, 2024 · US
Method for synthesis of 2-methyl-2-hydroxyheptane and 2-methyl 2-alkoxyheptanes
US-11926577-B2 · Mar 12, 2024 · US
Preparation and application of a 5-bromoquinazoline derivative
US-11840537-B2 · Dec 12, 2023 · US
New method for synthesis of 2-methyl-2-hydroxyheptane and 2-methyl 2-alkoxyheptanes
US-2023065920-A1 · Mar 2, 2023 · US
Methods of forming imines, imine-related and imine-derived compounds using green solvents
US-11565995-B2 · Jan 31, 2023 · US
Manufacturing method for high-purity cyclohexenone long-chain alcohol
US-11485696-B2 · Nov 1, 2022 · US
Improved synthetic methods of making (2h-1, 2, 3-triazol-2-yl) phenyl compounds as orexin receptor modulators
US-2022289754-A1 · Sep 15, 2022 · US
Process for production of hydrazine hydrate
US-11225413-B2 · Jan 18, 2022 · US
Dihydrazone compounds having high affinity to a beta protein and tau protein, derivatives thereof and use thereof
US-2021393810-A1 · Dec 23, 2021 · US
Polymerizable compound, polymerizable composition, polymer, optically anisotropic body, and method for producing polymerizable compound
US-11091452-B2 · Aug 17, 2021 · US
Process for the manufacture of iminium compounds and their application in the manufacture of pyrazole derivatives
US-2021179563-A1 · Jun 17, 2021 · US
Process for the manufacture of pyrazole carboxylic derivatives and precursors thereof
US-2021171468-A1 · Jun 10, 2021 · US
Catalytic hydrogenation process for preparing pyrazoles
US-10975036-B2 · Apr 13, 2021 · US
Manufacturing method for high-purity cyclohexenone long-chain alcohol
US-2021101859-A1 · Apr 8, 2021 · US
Process for the manufacture of pyrazole compounds
US-2020305431-A1 · Oct 1, 2020 · US
Aromatic compounds from furanics
US-10562875-B2 · Feb 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C249/16?
- CPC C07C249/16 is the Cooperative Patent Classification code for “of hydrazones.”
- How many patents are filed under CPC C07C249/16 (of hydrazones)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC C07C249/16 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).