Programmable selective acylation of polyols
US-2025332271-A1 · Oct 30, 2025 · US
Cyclic acetals
Cyclic acetals · 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 | C07H9/04 |
| Official title | Cyclic acetals |
| Display label | Cyclic acetals |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biobased surfactants
US-2025243233-A1 · Jul 31, 2025 · US
Glucopyranosyl derivatives and their uses
US-12324812-B2 · Jun 10, 2025 · US
Sulfinate glycosyl donor, method for preparing same, and use thereof
US-2025059226-A1 · Feb 20, 2025 · US
Method for glycosylation modification of proteins and/or polypeptides
US-2025042936-A1 · Feb 6, 2025 · US
Method for preparing aryl carbon glycoside compound including gliflozin drug
US-2025042930-A1 · Feb 6, 2025 · US
Asgpr-binding compounds for the degradation of extracellular proteins
US-2024424108-A1 · Dec 26, 2024 · US
Catalytic method for the production of difructose anhydride
US-2024417416-A1 · Dec 19, 2024 · US
Methods of preparing chiral amino acids
US-2024383842-A1 · Nov 21, 2024 · US
Green solvents for chemical reactions
US-2024228507-A1 · Jul 11, 2024 · US
Biaryl amides with modified sugar groups for treatment of diseases associated with heat shock protein pathway
US-2024182507-A1 · Jun 6, 2024 · US
Renewable Monomer and Polymer Thereof
US-2024140961-A1 · May 2, 2024 · US
Biaryl amides with modified sugar groups for treatment of diseases associated with heat shock protein pathway
US-11827664-B2 · Nov 28, 2023 · US
Substituted nucleosides, nucleotides and analogs thereof
US-11773126-B2 · Oct 3, 2023 · US
Method for preparing glucopyranosyl derivatives and intermediates thereof
US-2023250121-A1 · Aug 10, 2023 · US
Production of monomers from lignin during depolymerization of lignocellulose-containing composition
US-11639324-B2 · May 2, 2023 · US
Glucopyranosyl derivatives and their uses
US-2023086354-A1 · Mar 23, 2023 · US
Method for preparation of derivatives of gram-positive bacteria surface capsular polysaccharide
US-11603416-B2 · Mar 14, 2023 · US
Novel spirobicyclic intermediates
US-2022275018-A1 · Sep 1, 2022 · US
Antibacterial compounds, compositions thereof, and methods using same
US-11339184-B2 · May 24, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07H9/04?
- CPC C07H9/04 is the Cooperative Patent Classification code for “Cyclic acetals.”
- How many patents are filed under CPC C07H9/04 (Cyclic acetals)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC C07H9/04 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).