Method and composition for water treatment
US-12557812-B2 · Feb 24, 2026 · US
containing oxygen or sulfur attached to the carbon skeleton containing the nitro group
containing oxygen or sulfur attached to the carbon skeleton containing the nitro group · 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 | A01N33/20 |
| Official title | containing oxygen or sulfur attached to the carbon skeleton containing the nitro group |
| Display label | containing oxygen or sulfur attached to the carbon skeleton containing the nitro group |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 11 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 8 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Triggering diatom programmed cell death by stimulating infochemical signaling systems
US-2025107523-A1 · Apr 3, 2025 · US
CMP slurry composition for polishing tungsten pattern wafer and method of polishing tungsten pattern wafer using the same
US-12139642-B2 · Nov 12, 2024 · US
Biofouling resistant coatings and methods of making and using the same
US-12121634-B2 · Oct 22, 2024 · US
Biocidal compositions containing copper and a co-biocide
US-2024148002-A1 · May 9, 2024 · US
Biofouling resistant coatings and methods of making and using the same
US-2023233743-A1 · Jul 27, 2023 · US
Enhancing the antimicrobial activity of biocides with polymers
US-11666050-B2 · Jun 6, 2023 · US
Enhancing the antimicrobial activity of biocides with polymers
US-11647746-B2 · May 16, 2023 · US
Biocide blend for treating wellbores
US-11566168-B1 · Jan 31, 2023 · US
Biocide blend for treating wellbores
US-2023026695-A1 · Jan 26, 2023 · US
Anthranilamide composition
US-2023023289-A1 · Jan 26, 2023 · US
Rapid drug discovery methods for pathogen inactivation
US-2023019159-A1 · Jan 19, 2023 · US
Mic reduction with lithium ions
US-11553718-B2 · Jan 17, 2023 · US
Biofouling resistant coatings and methods of making and using the same
US-11541153-B2 · Jan 3, 2023 · US
Method and composition for water treatment
US-2022240503-A1 · Aug 4, 2022 · US
Rapid drug discovery methods for pathogen inactivation
US-11382328-B2 · Jul 12, 2022 · US
Cmp slurry composition for polishing tungsten pattern wafer and method of polishing tungsten pattern wafer using the same
US-2022025214-A1 · Jan 27, 2022 · US
Herbicidal composition comprising cinmethylin and pethoxamid
US-11116213-B2 · Sep 14, 2021 · US
Biofouling resistant coatings and methods of making and using the same
US-2020338240-A1 · Oct 29, 2020 · US
Mic reduction with lithium ions
US-2020337312-A1 · Oct 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A01N33/20?
- CPC A01N33/20 is the Cooperative Patent Classification code for “containing oxygen or sulfur attached to the carbon skeleton containing the nitro group.”
- How many patents are filed under CPC A01N33/20 (containing oxygen or sulfur attached to the carbon skeleton containing the nitro group)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC A01N33/20 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).