Cleaning liquid composition
US-11905490-B2 · Feb 20, 2024 · US
Esters or carbonates
Esters or carbonates · 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 | C11D7/266 |
| Official title | {Esters or carbonates} |
| Display label | Esters or carbonates |
| Total patents | 156 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 12 |
| 2017 | 4 |
| 2018 | 17 |
| 2019 | 12 |
| 2020 | 15 |
| 2021 | 20 |
| 2022 | 16 |
| 2023 | 10 |
| 2024 | 16 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyol esters of metathesized fatty acids and uses thereof
US-10487039-B2 · Nov 26, 2019 · US
Non-phosphorous transition metal control in laundry applications
US-10472596-B2 · Nov 12, 2019 · US
Methods and cleaning solutions for removing chewing gum and other sticky food substances
US-10450534-B2 · Oct 22, 2019 · US
Cleaning solution
US-2019309178-A1 · Oct 10, 2019 · US
Cleaning Agent Composition
US-2019264145-A1 · Aug 29, 2019 · US
Siloxane compositions and cleaning method using the same
US-2019256806-A1 · Aug 22, 2019 · US
Composition and method for removing a coating from a surface
US-2019225823-A1 · Jul 25, 2019 · US
Method of manufacturing a semiconductor device and a cleaning composition for an adhesive layer
US-2019198315-A1 · Jun 27, 2019 · US
Method of manufacturing a semiconductor device and a cleaning composition for an adhesive layer
US-10332740-B2 · Jun 25, 2019 · US
Minimum boiling azeotrope of n-butyl-3-hydroxybutyrate and n-undecane and application of the azeotrope to solvent cleaning
US-10233410-B2 · Mar 19, 2019 · US
Cleaning composition for liquid crystal alignment layer and manufacturing method of liquid crystal alignment layer using the same
US-2019016998-A1 · Jan 17, 2019 · US
Non-phosphorous transition metal control in laundry applications
US-2018371380-A1 · Dec 27, 2018 · US
Novel minimum boiling azeotrope of n-butyl-3-hydroxybutyrate and n-undecane and application of the azeotrope to solvent cleaning
US-2018362894-A1 · Dec 20, 2018 · US
Polyimide-based resin film cleaning liquid, method for cleaning polyimide-based resin film, method for producing polyimide coating, method for producing filter, filter medium, or filter device, and method for producing chemical solution for lithography
US-10155185-B2 · Dec 18, 2018 · US
Polyol esters of metathesized fatty acids and uses thereof
US-2018327346-A1 · Nov 15, 2018 · US
Method of cleaning a diesel particulate filter
US-2018207630-A1 · Jul 26, 2018 · US
Method of cleaning a diesel particulate filter
US-10029246-B1 · Jul 24, 2018 · US
Process for degreasing a chemical plant
US-2018187315-A1 · Jul 5, 2018 · US
Non-aqueous cleaner for vegetable oil soils
US-2018127688-A1 · May 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D7/266?
- CPC C11D7/266 is the Cooperative Patent Classification code for “Esters or carbonates.”
- How many patents are filed under CPC C11D7/266 (Esters or carbonates)?
- Our database includes 156 publications tagged with this CPC code.
- Is patent activity under CPC C11D7/266 growing?
- Publication counts under this code: 16 in 2024 vs 16 in 2025 (latest complete years).