Method for producing alpha-acyloxycarboxylic acid ester
US-12378181-B2 · Aug 5, 2025 · US
of carboxyl groups or salts, halides or anhydrides thereof
of carboxyl groups or salts, halides or anhydrides thereof · 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 | C07B41/08 |
| Official title | of carboxyl groups or salts, halides or anhydrides thereof |
| Display label | of carboxyl groups or salts, halides or anhydrides thereof |
| Total patents | 48 |
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 | 3 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing carbonate derivative
US-12351568-B2 · Jul 8, 2025 · US
Preparation method for tetra-substituted allenoic acid compound based on palladium catalytic system
US-2024199521-A1 · Jun 20, 2024 · US
Synthetic methods for making carboxylic acids, esters and lactones
US-2023202996-A1 · Jun 29, 2023 · US
Method for producing alpha-acyloxycarboxylic acid ester
US-2022274909-A1 · Sep 1, 2022 · US
Method for producing carbonate derivative
US-2021403409-A1 · Dec 30, 2021 · US
Method for producing oxide using beta-manganese dioxide
US-2021317100-A1 · Oct 14, 2021 · US
Furan-2,5-dicarboxylic acid purge process
US-11027263-B2 · Jun 8, 2021 · US
Furan-2,5-dicarboxylic acid purge process
US-10882032-B2 · Jan 5, 2021 · US
Preparation of compounds from levulinic acid
US-10870622-B2 · Dec 22, 2020 · US
Production of xylene derivatives
US-10815245-B2 · Oct 27, 2020 · US
Furan-2,5-dicarboxylic acid purge process
US-2020324277-A1 · Oct 15, 2020 · US
Uses of vanadium to oxidize aldehydes and ozonides
US-10696605-B2 · Jun 30, 2020 · US
Furan-2,5-dicarboxylic acid purge process
US-10695755-B2 · Jun 30, 2020 · US
Preparation of compounds from levulinic acid
US-10647670-B2 · May 12, 2020 · US
Preparation of compounds from levulinic acid
US-2020055816-A1 · Feb 20, 2020 · US
Process for the direct conversion of alkenes to carboxylic acids
US-10550060-B2 · Feb 4, 2020 · US
Uses of vanadium to oxidize aldehydes and ozonides
US-2019225558-A1 · Jul 25, 2019 · US
Furan-2,5-dicarboxylic acid purge process
US-10350584-B2 · Jul 16, 2019 · US
Process for the direct conversion of alkenes to carboxylic acids
US-2019194110-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07B41/08?
- CPC C07B41/08 is the Cooperative Patent Classification code for “of carboxyl groups or salts, halides or anhydrides thereof.”
- How many patents are filed under CPC C07B41/08 (of carboxyl groups or salts, halides or anhydrides thereof)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC C07B41/08 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).