Surfactants for agricultural products
US-12575563-B2 · Mar 17, 2026 · US
of a carbon skeleton substituted by nitrogen atoms, not being part of nitro or nitroso groups
of a carbon skeleton substituted by nitrogen atoms, not being part of 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 | C07C309/69 |
| Official title | of a carbon skeleton substituted by nitrogen atoms, not being part of nitro or nitroso groups |
| Display label | of a carbon skeleton substituted by nitrogen atoms, not being part of nitro or nitroso groups |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surfactants for agricultural products
US-2024315239-A1 · Sep 26, 2024 · US
Reelin/VEGF-C production/activation promoter and skin external composition using the same
US-11992471-B2 · May 28, 2024 · US
Surfactants for agricultural products
US-11992008-B2 · May 28, 2024 · US
Tes-based cationic lipids
US-2023357140-A1 · Nov 9, 2023 · US
Reelin/vegf-c production/activation promoter and skin external composition using the same
US-2023165816-A1 · Jun 1, 2023 · US
Nanoparticle, contrast agent for magnetic resonance imaging comprising same and zwitterionic ligand compound
US-2022184236-A1 · Jun 16, 2022 · US
Compound, acid generator, composition, cured product, cured product manufacturing method, and pattern coating manufacturing method
US-2022137507-A1 · May 5, 2022 · US
Surfactants for agricultural products
US-2021289776-A1 · Sep 23, 2021 · US
Ethyleneamine sulfonate-based surfactant for high temperature foaming
US-2021163813-A1 · Jun 3, 2021 · US
Hydroxysultaine- and sulfobetaine-based geminal zwitterionic liquids, method for obtaining same, and use thereof as wettability modifiers having corrosion inhibiting properties
US-11014875-B2 · May 25, 2021 · US
Radiation-sensitive resin composition, resist pattern-forming method, and compound
US-2020102270-A9 · Apr 2, 2020 · US
Poly-perfluoroalkyl substituted polyethyleneimine foam stabilizers and film formers
US-10173089-B2 · Jan 8, 2019 · US
Radiation-sensitive resin composition, resist pattern-forming method, and compound
US-2018319740-A1 · Nov 8, 2018 · US
Fluorinated sulfonate esters of aryl ketones for non-ionic photo-acid generators
US-9983475-B2 · May 29, 2018 · US
Non-ionic aryl ketone based polymeric photo-acid generators
US-9951164-B2 · Apr 24, 2018 · US
Non-ionic low diffusing photo-acid generators
US-9950999-B2 · Apr 24, 2018 · US
Non-ionic low diffusing photo-acid generators
US-2018044284-A1 · Feb 15, 2018 · US
Non-ionic aryl ketone based polymeric photo-acid generators
US-2018044459-A1 · Feb 15, 2018 · US
Fluorinated sulfonate esters of aryl ketones for non-ionic photo-acid generators
US-2018046077-A1 · Feb 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C309/69?
- CPC C07C309/69 is the Cooperative Patent Classification code for “of a carbon skeleton substituted by nitrogen atoms, not being part of nitro or nitroso groups.”
- How many patents are filed under CPC C07C309/69 (of a carbon skeleton substituted by nitrogen atoms, not being part of nitro or nitroso groups)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C07C309/69 growing?
- Publication counts under this code: 2 in 2023 vs 3 in 2024 (latest complete years).