Process to produce specific alpha,beta-unsaturated carboxylates
US-12516020-B2 · Jan 6, 2026 · US
by esterified hydroxy groups
by esterified hydroxy groups · 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 | C07C403/12 |
| Official title | by esterified hydroxy groups |
| Display label | by esterified hydroxy groups |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for production of vitamin A
US-12410117-B2 · Sep 9, 2025 · US
Vitamin cationic lipids
US-2025257046-A1 · Aug 14, 2025 · US
Compositions and methods for the delivery of nucleic acids
US-2025188025-A1 · Jun 12, 2025 · US
Vitamin cationic lipids
US-12240824-B2 · Mar 4, 2025 · US
Process for production of vitamin a
US-2025034087-A1 · Jan 30, 2025 · US
Compositions and methods for the delivery of nucleic acids
US-12060318-B2 · Aug 13, 2024 · US
Biomimetic nanomaterials and uses thereof
US-12029790-B2 · Jul 9, 2024 · US
Total synthesis method for vitamin a and derivative thereof and deuterated compound thereof
US-2024166597-A1 · May 23, 2024 · US
In situ two-phase extraction system
US-2024018564-A1 · Jan 18, 2024 · US
Specific dehydrogenation process (I)
US-11851402-B2 · Dec 26, 2023 · US
Intermediates for the vitamin A synthesis
US-11851404-B2 · Dec 26, 2023 · US
Improved process to produce specific alpha,beta-unsaturated carboxylates
US-2023271920-A1 · Aug 31, 2023 · US
Process for production of vitamin a
US-2023125156-A1 · Apr 27, 2023 · US
Novel beta-carotene oxidases
US-2022356503-A1 · Nov 10, 2022 · US
Isomerization of polyunsaturated non-aromatic compounds
US-2022315519-A1 · Oct 6, 2022 · US
Novel enol-acetates(ii)
US-2022220071-A1 · Jul 14, 2022 · US
Novel enol-acetates
US-2022194897-A1 · Jun 23, 2022 · US
Specific dehydrogenation process (i)
US-2022194891-A1 · Jun 23, 2022 · US
Intermediates for the vitamin a synthesis
US-2022169590-A1 · Jun 2, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C403/12?
- CPC C07C403/12 is the Cooperative Patent Classification code for “by esterified hydroxy groups.”
- How many patents are filed under CPC C07C403/12 (by esterified hydroxy groups)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C07C403/12 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).