Free-polyunsaturated-fatty-acid-containing composition and method for manufacturing same
US-11193085-B2 · Dec 7, 2021 · US
by hydrolysis
by hydrolysis · 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 | C11C1/04 |
| Official title | by hydrolysis |
| Display label | by hydrolysis |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 12 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production of renewable base oil and diesel by pre-fractionation of fatty acids
US-11162033-B2 · Nov 2, 2021 · US
Renewable base oil in lubricant formulations
US-11162044-B2 · Nov 2, 2021 · US
Method for converting carboxylic acids and esters into base oil hydrocarbons
US-11149206-B2 · Oct 19, 2021 · US
Process for the production of renewable base oil, diesel and naphtha
US-11142701-B2 · Oct 12, 2021 · US
Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same
US-2021269388-A1 · Sep 2, 2021 · US
Renewable Diesel Fuel Production in Retrofitted Fossil Petroleum Refinery to Produce Biiofuel and Bio-Feedstock for Steam Crackers
US-2021207038-A1 · Jul 8, 2021 · US
Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same
US-11034643-B2 · Jun 15, 2021 · US
Method and equipment for grease purification
US-2021163846-A1 · Jun 3, 2021 · US
Production of renewable base oil and diesel by pre-fractionation of fatty acids
US-2021139786-A1 · May 13, 2021 · US
Method for converting carboxylic acids and esters into base oil hydrocarbons
US-2021139787-A1 · May 13, 2021 · US
Free polyunsaturated fatty acid-containing composition and manufacturing method therefor
US-2021102142-A1 · Apr 8, 2021 · US
Compounds extracted from plant matter and methods of preparation thereof
US-2020397012-A1 · Dec 24, 2020 · US
A process for producing free fatty acids
US-2020392426-A1 · Dec 17, 2020 · US
Process for preparing fatty acids by ester hydrolysis
US-10696922-B2 · Jun 30, 2020 · US
Process for the production of renewable base oil, diesel and naphtha
US-2020181504-A1 · Jun 11, 2020 · US
TiO2 CATALYST IN KETONISATION REACTIONS TO PRODUCE RBO
US-2020181503-A1 · Jun 11, 2020 · US
Renewable Base Oil in Lubricant Formulations
US-2020181527-A1 · Jun 11, 2020 · US
Free polyunsaturated fatty acid-containing composition and manufacturing method therefor
US-2020157465-A1 · May 21, 2020 · US
Process for the preparation of purified dicarboxylic acids
US-10654786-B2 · May 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11C1/04?
- CPC C11C1/04 is the Cooperative Patent Classification code for “by hydrolysis.”
- How many patents are filed under CPC C11C1/04 (by hydrolysis)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC C11C1/04 growing?
- Publication counts under this code: 2 in 2024 vs 8 in 2025 (latest complete years).