Fabric softening composition comprising esterquat, cationic acrylic polymer, and germicidal cationic surfactant
US-12473514-B2 · Nov 18, 2025 · US
Mixtures of compounds all of which are cationic
Mixtures of compounds all of which are cationic · 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 | C11D1/645 |
| Official title | Mixtures of compounds all of which are cationic |
| Display label | Mixtures of compounds all of which are cationic |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 9 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cleaning agent composition for semiconductor cleaning, and method of cleaning semiconductor substrate
US-2025236812-A1 · Jul 24, 2025 · US
Fabric conditioner
US-2023407206-A1 · Dec 21, 2023 · US
Personal cleansing composition
US-11779528-B2 · Oct 10, 2023 · US
Long-chain alkyl esterquats for highly viscous laundry and cleaning formulations
US-11692153-B2 · Jul 4, 2023 · US
Cationic surfactant foam stabilizing composition
US-11679292-B2 · Jun 20, 2023 · US
Method For Determining Stability Of A Liquid Fabric Softener Formulation
US-2023140928-A1 · May 11, 2023 · US
Fabric Softening Composition Comprising Germicidal Cationic Surfactants
US-2023140936-A1 · May 11, 2023 · US
Particulate laundry composition
US-2023112989-A1 · Apr 13, 2023 · US
Cationic surfactant foam stabilizing composition
US-2023095031-A1 · Mar 30, 2023 · US
Antimicrobial composition
US-11572532-B2 · Feb 7, 2023 · US
Compositions to boost fabric softener performance
US-11466233-B2 · Oct 11, 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
Glucamide-based surfactants
US-2022041957-A1 · Feb 10, 2022 · US
Active compositions for highly viscous laundry and cleaning formulations
US-2021277329-A1 · Sep 9, 2021 · US
Disinfectant cleaning compositions and methods of use thereof
US-2021251225-A1 · Aug 19, 2021 · US
Antimicrobial cleaning composition comprising an N-methyl glucamine
US-11046921-B2 · Jun 29, 2021 · US
Compositions to boost fabric softener performance
US-2021163849-A1 · Jun 3, 2021 · US
Compositions to boost fabric softener performance
US-10947481-B2 · Mar 16, 2021 · US
Personal cleansing composition
US-2021069079-A1 · Mar 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D1/645?
- CPC C11D1/645 is the Cooperative Patent Classification code for “Mixtures of compounds all of which are cationic.”
- How many patents are filed under CPC C11D1/645 (Mixtures of compounds all of which are cationic)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C11D1/645 growing?
- Publication counts under this code: 9 in 2023 vs 2 in 2025 (latest complete years).