Epoxidized oil-based surfactant and compositions comprising the same
US-12588676-B2 · Mar 31, 2026 · US
Heterocyclic compounds
Heterocyclic compounds · 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 | C11D1/58 |
| Official title | Heterocyclic compounds |
| Display label | Heterocyclic compounds |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cationic Surfactants with Improved pH Stability and Their Use
US-2026028552-A1 · Jan 29, 2026 · US
Particulate laundry softening wash additive
US-2025382547-A1 · Dec 18, 2025 · US
Particulate laundry softening wash additive
US-2025382546-A1 · Dec 18, 2025 · US
Cleansing wet wipe
US-2025327002-A1 · Oct 23, 2025 · US
Modified Sophorolipids with Enhanced Defoaming Properties
US-2025154189-A1 · May 15, 2025 · US
Process for making a particulate laundry detergent composition
US-12258544-B2 · Mar 25, 2025 · US
Cleaning compositions comprising surface modification polymers
US-2025011685-A1 · Jan 9, 2025 · US
Modified sophorolipids for conditioning of hair and textiles
US-2024407992-A1 · Dec 12, 2024 · US
Compositions with reduced solid hydroxide alkalinity for effective removal of protein soils and enzyme stability throughout multi-cycle dispensing
US-2024384204-A1 · Nov 21, 2024 · US
Compositions and methods of use for machine warewashing, bottle washing, and pulp antifoaming applications
US-2024309295-A1 · Sep 19, 2024 · US
Process for making a particulate laundry detergent composition
US-2023145083-A1 · May 11, 2023 · US
Acidic hard surface cleaners comprising alkylpyrrolidones
US-11603509-B2 · Mar 14, 2023 · US
Non-aqueous aerosol foam and methods of making thereof
US-11591551-B2 · Feb 28, 2023 · US
Antimicrobial composition
US-11572532-B2 · Feb 7, 2023 · US
Epoxidized oil-based surfactant and compositions comprising the same
US-2023036093-A1 · Feb 2, 2023 · US
Alkaline hard surface cleaners comprising alkylpyrrolidones
US-11555164-B2 · Jan 17, 2023 · US
Antimicrobial hard surface cleaners comprising alkylpyrrolidones
US-11339352-B2 · May 24, 2022 · US
Bicyclic Surfactants
US-2022023812-A1 · Jan 27, 2022 · US
Post CMP cleaning composition
US-11124746-B2 · Sep 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D1/58?
- CPC C11D1/58 is the Cooperative Patent Classification code for “Heterocyclic compounds.”
- How many patents are filed under CPC C11D1/58 (Heterocyclic compounds)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C11D1/58 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).