Ecofriendly emulsifier synthesis from esterified waste vegetable oil for wellbore drilling fluids
US-10808161-B2 · Oct 20, 2020 · US
by esterification of fats or fatty oils
by esterification of fats or fatty oils · 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 | C11C3/04 |
| Official title | by esterification of fats or fatty oils |
| Display label | by esterification of fats or fatty oils |
| Total patents | 108 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of synthesis of an ionizable cationic lipid
US-10781169-B2 · Sep 22, 2020 · US
Processes for producing industrial products from plant lipids
US-10472587-B2 · Nov 12, 2019 · US
Low corrosion alkane sulfonic acids for condensation reactions
US-2019301027-A1 · Oct 3, 2019 · US
Ecofriendly emulsifier synthesis from esterified waste vegetable oil for wellbore drilling fluids
US-2019276725-A1 · Sep 12, 2019 · US
Ionizable cationic lipid for RNA delivery
US-10399937-B2 · Sep 3, 2019 · US
Ecofriendly emulsifier synthesis from esterified waste vegetable oil for wellbore drilling fluids
US-10385254-B2 · Aug 20, 2019 · US
Method for Co-Production and Processing of Biological Energy Sources by Oil Crops
US-2019249107-A1 · Aug 15, 2019 · US
Polyols suitable for hot molded foam production with high renewable resource content
US-10323212-B2 · Jun 18, 2019 · US
Process for making soap bar having separate regions of specifically selected components
US-10260028-B2 · Apr 16, 2019 · US
Preparation of functionalized castor oil derivatives using solid acid and base catalysts
US-10260023-B2 · Apr 16, 2019 · US
Ecofriendly emulsifier synthesis from esterified waste vegetable oil for wellbore drilling fluids
US-2019031940-A1 · Jan 31, 2019 · US
Process for making soap bar having separate regions of specifically selected components
US-2018305644-A1 · Oct 25, 2018 · US
Novel vegetable oil-based material as a substitute for carnauba wax
US-2018297937-A1 · Oct 18, 2018 · US
A base oil additive
US-2018245011-A1 · Aug 30, 2018 · US
Metal compounds of calixarenes, detergent compositions containing them and use thereof in lubricant compositions
US-2018237375-A1 · Aug 23, 2018 · US
Method of synthesis of an ionizable cationic lipid
US-2018208555-A1 · Jul 26, 2018 · US
Ionizable cationic lipid for rna delivery
US-2018170865-A1 · Jun 21, 2018 · US
Process for obtaining heterogeneous acid catalysts based on mixed metal salts and use thereof
US-9999874-B2 · Jun 19, 2018 · US
Ionizable cationic lipid for RNA delivery
US-9951002-B2 · Apr 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11C3/04?
- CPC C11C3/04 is the Cooperative Patent Classification code for “by esterification of fats or fatty oils.”
- How many patents are filed under CPC C11C3/04 (by esterification of fats or fatty oils)?
- Our database includes 108 publications tagged with this CPC code.
- Is patent activity under CPC C11C3/04 growing?
- Publication counts under this code: 5 in 2024 vs 9 in 2025 (latest complete years).