Cleaning solution and method of cleaning wafer
US-2022351963-A1 · Nov 3, 2022 · US
Monoamines or polyamines; Salts thereof
Monoamines or polyamines; Salts thereof · 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 | C11D1/40 |
| Official title | Monoamines or polyamines; Salts thereof |
| Display label | Monoamines or polyamines; Salts thereof |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 10 |
| 2021 | 8 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cleaning solution and method of cleaning wafer
US-11456170-B2 · Sep 27, 2022 · US
Long lasting disinfectant cleaning compositions and methods of use thereof
US-2022295789-A1 · Sep 22, 2022 · US
Surfactant blend for removal of fatty soils
US-11427787-B2 · Aug 30, 2022 · US
Composition
US-2022228087-A1 · Jul 21, 2022 · US
Liquid hand dishwashing cleaning composition
US-2022204886-A1 · Jun 30, 2022 · US
Soil removal on cotton via treatment in the rinse step for enhanced cleaning in the subsequent wash
US-2022195341-A1 · Jun 23, 2022 · US
Liquid detergent composition for hard surfaces
US-11306274-B2 · Apr 19, 2022 · US
Liquid hand dishwashing cleaning composition
US-2022081649-A1 · Mar 17, 2022 · US
Post-cmp cleaning composition for germanium- containing substrate
US-2021371774-A1 · Dec 2, 2021 · US
Novel 2-in-1 sanitizing and rinse aid compositions employing amine based surfactants in machine warewashing
US-2021292679-A1 · Sep 23, 2021 · US
Flexible, porous, dissolvable solid sheet articles containing cationic surfactant
US-2021261892-A1 · Aug 26, 2021 · US
Disinfectant cleaning compositions and methods of use thereof
US-2021251225-A1 · Aug 19, 2021 · US
Surfactant composition and method for treating bitumen froth
US-2021238482-A1 · Aug 5, 2021 · US
Amino acid surfactants
US-2021230100-A1 · Jul 29, 2021 · US
Compositions and methods for preventing collapse of high aspect ratio structures during drying
US-10954480-B2 · Mar 23, 2021 · US
Surfactant composition and method for treating bitumen froth
US-10920149-B2 · Feb 16, 2021 · US
Personal cleansing composition
US-2020352838-A1 · Nov 12, 2020 · US
Cleaning solution and method of cleaning wafer
US-2020328075-A1 · Oct 15, 2020 · US
Long lasting disinfectant cleaning compositions and methods of use thereof
US-2020253203-A1 · Aug 13, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D1/40?
- CPC C11D1/40 is the Cooperative Patent Classification code for “Monoamines or polyamines; Salts thereof.”
- How many patents are filed under CPC C11D1/40 (Monoamines or polyamines; Salts thereof)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC C11D1/40 growing?
- Publication counts under this code: 9 in 2024 vs 11 in 2025 (latest complete years).