Vehicle cleaning compositions
US-2024287424-A1 · Aug 29, 2024 · US
Mixtures of compounds all of which are anionic
Mixtures of compounds all of which are anionic · 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 | C11D1/37 |
| Official title | Mixtures of compounds all of which are anionic |
| Display label | Mixtures of compounds all of which are anionic |
| Total patents | 345 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 16 |
| 2017 | 27 |
| 2018 | 41 |
| 2019 | 34 |
| 2020 | 29 |
| 2021 | 24 |
| 2022 | 28 |
| 2023 | 31 |
| 2024 | 33 |
| 2025 | 47 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cold-water laundry detergents
US-2017369816-A1 · Dec 28, 2017 · US
Internal olefin sulfonate composition
US-2017340541-A1 · Nov 30, 2017 · US
Granular laundry detergent
US-9828569-B2 · Nov 28, 2017 · US
Cleaning composition
US-2017306268-A1 · Oct 26, 2017 · US
Cleaning composition
US-2017298301-A1 · Oct 19, 2017 · US
Internal olefin sulfonate composition
US-9789045-B2 · Oct 17, 2017 · US
Agent for treating textiles, containing at least one anionic, aromatic polyester and at least one non-ionic, aromatic polyester
US-2017292089-A1 · Oct 12, 2017 · US
Liquid surfactant composition having special surfactant combination and enzyme
US-2017292086-A1 · Oct 12, 2017 · US
Internal olefin sulfonate composition and cleansing composition containing same
US-2017281498-A1 · Oct 5, 2017 · US
Aqueous Surfactant Compositions
US-2017283741-A1 · Oct 5, 2017 · US
Pearly liquid detergent composition
US-2017283744-A1 · Oct 5, 2017 · US
Process of making a liquid cleaning composition
US-9758745-B2 · Sep 12, 2017 · US
Cleaning composition
US-2017240848-A1 · Aug 24, 2017 · US
Cleaning composition
US-9725682-B2 · Aug 8, 2017 · US
Transparent solid detergent
US-2017218305-A1 · Aug 3, 2017 · US
Internal olefin sulfonate composition and cleansing composition containing same
US-9713584-B2 · Jul 25, 2017 · US
Internal olefin sulfonate composition
US-2017172881-A1 · Jun 22, 2017 · US
Cleaning compositions containing branched alkyl sulfate surfactants and linear alkyl sulfate surfactants
US-2017137747-A1 · May 18, 2017 · US
Cleaning compositions containing branched alkyl sulfate surfactant with little or no alkoxylated alkyl sulfate
US-2017137748-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D1/37?
- CPC C11D1/37 is the Cooperative Patent Classification code for “Mixtures of compounds all of which are anionic.”
- How many patents are filed under CPC C11D1/37 (Mixtures of compounds all of which are anionic)?
- Our database includes 345 publications tagged with this CPC code.
- Is patent activity under CPC C11D1/37 growing?
- Publication counts under this code: 33 in 2024 vs 47 in 2025 (latest complete years).