Stable herbicidal compositions comprising amine oxide and tertiary amine
US-12439915-B2 · Oct 14, 2025 · US
Amines; Quaternary ammonium compounds
Amines; Quaternary ammonium compounds · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A01N33/02 |
| Official title | Amines; Quaternary ammonium compounds |
| Display label | Amines; Quaternary ammonium compounds |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amine and amine oxide surfactants for controlling herbicide spray drift
US-12342813-B2 · Jul 1, 2025 · US
Herbicide compositions with improved properties
US-12342814-B2 · Jul 1, 2025 · US
Antibacterial agent
US-2025160331-A1 · May 22, 2025 · US
Antimicrobial system and method
US-2024383784-A1 · Nov 21, 2024 · US
Compositions and methods for modulating root growth
US-12144344-B2 · Nov 19, 2024 · US
Use of a cationic polymer for reinfection prevention
US-2024189210-A1 · Jun 13, 2024 · US
PPO Formulations Containing Ether Sulfates
US-2023096769-A1 · Mar 30, 2023 · US
Glufosinate formulations containing amines or ammonium salts
US-2023082754-A1 · Mar 16, 2023 · US
Novel additives for agrochemical formulations
US-2023072815-A1 · Mar 9, 2023 · US
Touch screen cleaning and protectant composition
US-11503824-B2 · Nov 22, 2022 · US
Low foaming high electrolyte compositions
US-11497208-B2 · Nov 15, 2022 · US
Stable herbicidal compositions comprising amine oxide and tertiary amine
US-2022338474-A1 · Oct 27, 2022 · US
Compositions with improved urease-inhibiting effect comprising (thio)phosphoric acid triamide and further compounds such as amines and colorants
US-11384033-B2 · Jul 12, 2022 · US
Anti-adherent compositions and methods of inhibiting the adherence of microbes to a surface
US-2022010240-A1 · Jan 13, 2022 · US
Compositions and Methods for Modulating Root Growth
US-2022000103-A1 · Jan 6, 2022 · US
Anti-adherent compositions and methods of inhibiting the adherence of microbes to a surface
US-11168287-B2 · Nov 9, 2021 · US
Herbicide Compositions With Improved Properties
US-2021307319-A1 · Oct 7, 2021 · US
Method of disinfecting a medical device
US-10792383-B2 · Oct 6, 2020 · US
Compositions with improved urease-inhibiting effect comprising (thio)phosphoric acid triamide and further compounds such as amines and colorants
US-2020157018-A1 · May 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A01N33/02?
- CPC A01N33/02 is the Cooperative Patent Classification code for “Amines; Quaternary ammonium compounds.”
- How many patents are filed under CPC A01N33/02 (Amines; Quaternary ammonium compounds)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC A01N33/02 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).