Combined lactate and ketone body esters for medical and nutritional use
US-2025304523-A1 · Oct 2, 2025 · US
Lactic acid esters
Lactic acid esters · 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 | C07C69/68 |
| Official title | Lactic acid esters |
| Display label | Lactic acid esters |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for producing alkyl hydroxyalkanoates
US-12103912-B2 · Oct 1, 2024 · US
Synthesis of vinylated hydroxy esters with applicability in signal enhanced magnetic resonance imaging
US-2024294455-A1 · Sep 5, 2024 · US
Chemical liquid purification method and chemical liquid
US-2024216843-A1 · Jul 4, 2024 · US
Chemical liquid purification method and chemical liquid
US-11958005-B2 · Apr 16, 2024 · US
Actinic ray-sensitive or radiation-sensitive resin composition, resist film, pattern forming method, method for manufacturing electronic device, and compound
US-2024061331-A1 · Feb 22, 2024 · US
Tin-titanium-silicon molecular sieve, preparation method and application thereof
US-2023356202-A1 · Nov 9, 2023 · US
Methods for producing alkyl hydroxyalkanoates
US-11691941-B2 · Jul 4, 2023 · US
Chemical liquid purification method and chemical liquid
US-2023087746-A1 · Mar 23, 2023 · US
Method of preparing hydroxyalkylcarboxylic acid esters
US-11597695-B2 · Mar 7, 2023 · US
Chemical liquid purification method and chemical liquid
US-11491428-B2 · Nov 8, 2022 · US
Methods for producing alkyl hydroxy alkanoates
US-11332428-B2 · May 17, 2022 · US
Methods for producing alkyl hydroxyalkanoates
US-11332429-B2 · May 17, 2022 · US
Method for producing alkyl lactate
US-11186535-B2 · Nov 30, 2021 · US
High-purity carboxylic acid ester and method for producing same
US-11046634-B2 · Jun 29, 2021 · US
Method for producing alkyl lactate
US-2021139406-A1 · May 13, 2021 · US
Ion exchange resins, purification methods and methods of making ionic resins
US-10821433-B2 · Nov 3, 2020 · US
Methods for producing alkyl hydroxyalkanoates
US-10710955-B2 · Jul 14, 2020 · US
Process for the preparation of hyperpolarized carboxylate compounds
US-10695448-B2 · Jun 30, 2020 · US
Chemical liquid purification method and chemical liquid
US-2020164294-A1 · May 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C69/68?
- CPC C07C69/68 is the Cooperative Patent Classification code for “Lactic acid esters.”
- How many patents are filed under CPC C07C69/68 (Lactic acid esters)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC C07C69/68 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).