Process of preparation of indoxacarb and its intermediates
US-2025171409-A1 · May 29, 2025 · US
having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines
having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines · 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 | C07C251/88 |
| Official title | having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines |
| Display label | having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines |
| Total patents | 37 |
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 | 6 |
| 2017 | 8 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multilayer phase difference plate, polarizing plate, and image display device
US-12038650-B2 · Jul 16, 2024 · US
Method of controlling soybean rust fungus resistant to qoi fungicide
US-2023354808-A1 · Nov 9, 2023 · US
Multilayer phase difference plate, polarizing plate, and image display device
US-2022177419-A1 · Jun 9, 2022 · US
Polymerizable compound and optically anisotropic object
US-11261378-B2 · Mar 1, 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 and optically anisotropic body
US-10919870-B2 · Feb 16, 2021 · US
Polymerizable compound and optically anisotropic body
US-10723952-B2 · Jul 28, 2020 · US
Polymerizable compound, composition, polymer, optically anisotropic body, liquid crystal display element, and organic EL display
US-10633353-B2 · Apr 28, 2020 · US
Polymerizable compound and optical isomer
US-10597371-B2 · Mar 24, 2020 · US
Phase difference plate, multilayer phase difference plate, polarizing plate, image display device and polymerizable compound
US-2020012026-A1 · Jan 9, 2020 · US
An improved process for production of hydrazine hydrate
US-2019367365-A1 · Dec 5, 2019 · US
Polymerizable compound, polymerizable composition, polymer, and optically anisotropic product
US-10392343-B2 · Aug 27, 2019 · US
Polymerizable compound, polymerizable composition, polymer, and optically anisotropic substance
US-10329247-B2 · Jun 25, 2019 · US
Polymerizable compound, polymerizable composition, polymer, and optically anisotropic body
US-10227292-B2 · Mar 12, 2019 · US
Polymerizable compound and optically anisotropic body
US-2018319755-A1 · Nov 8, 2018 · US
Pde10 inhibitors and related compositions and methods
US-2018118711-A1 · May 3, 2018 · US
Polymerizable compound and optical isomer
US-2018022716-A1 · Jan 25, 2018 · US
Polymerizable compound and optically anisotropic object
US-2017369783-A1 · Dec 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C251/88?
- CPC C07C251/88 is the Cooperative Patent Classification code for “having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines.”
- How many patents are filed under CPC C07C251/88 (having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C07C251/88 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).