Compositions and methods of use thereof
US-2026042976-A1 · Feb 12, 2026 · US
containing phosphorus {(C11D3/162, C11D3/164, C11D3/166, C11D3/168 take precedence)}
containing phosphorus {(C11D3/162, C11D3/164, C11D3/166, C11D3/168 take precedence)} · 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 | C11D3/36 |
| Official title | containing phosphorus {(C11D3/162, C11D3/164, C11D3/166, C11D3/168 take precedence)} |
| Display label | containing phosphorus {(C11D3/162, C11D3/164, C11D3/166, C11D3/168 take precedence)} |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process solution composition for polymer treatment comprising a fluorine compound, a ketone solvent, and a polar aprotic solvent
US-12509598-B2 · Dec 30, 2025 · US
Fabric softening compositions
US-12497575-B2 · Dec 16, 2025 · US
Cleaning fluid and cleaning method
US-12480072-B2 · Nov 25, 2025 · US
Composition for sterilization and cleaning, method for producing same, and sterilization and cleaning method employing same
US-12317894-B2 · Jun 3, 2025 · US
Treatment liquid and substrate treatment method
US-12275921-B2 · Apr 15, 2025 · US
Detergent compositions containing a stabilized enzyme by phosphonates
US-12203055-B2 · Jan 21, 2025 · US
Method of laundering fabric
US-2025011994-A1 · Jan 9, 2025 · US
Cleaning agent, cleaning liquid and cleaning method for aromatic polyamide reverse osmosis membranes
US-2024390859-A1 · Nov 28, 2024 · US
Composition and manufacturing method of semiconductor element
US-2024392214-A1 · Nov 28, 2024 · US
Cleaning compositions containing dispersins ii
US-2024218299-A1 · Jul 4, 2024 · US
Cleaning composition, cleaning method of semiconductor substrate, and manufacturing method of semiconductor element
US-2024209284-A1 · Jun 27, 2024 · US
Detergent composition for use in automatic dishwasher
US-2024174946-A1 · May 30, 2024 · US
Contact lens treatment solution
US-11912964-B2 · Feb 27, 2024 · US
Detergent compositions containing a stabilized enzyme by phosphonates
US-2024052269-A1 · Feb 15, 2024 · US
Cleaning liquid composition and cleaning method using same
US-11845912-B2 · Dec 19, 2023 · US
Detergent compositions containing a stabilized enzyme by phosphonates
US-11807835-B2 · Nov 7, 2023 · US
Fabric Softening Compositions
US-2023340364-A1 · Oct 26, 2023 · US
Composition for surface treatment, surface treatment method, and method for producing semiconductor substrate
US-2023313070-A1 · Oct 5, 2023 · US
Treatment liquid and substrate treatment method
US-2023287304-A1 · Sep 14, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D3/36?
- CPC C11D3/36 is the Cooperative Patent Classification code for “containing phosphorus {(C11D3/162, C11D3/164, C11D3/166, C11D3/168 take precedence)}.”
- How many patents are filed under CPC C11D3/36 (containing phosphorus {(C11D3/162, C11D3/164, C11D3/166, C11D3/168 take precedence)})?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC C11D3/36 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).