Modulation of Bacterial Quorum Sensing with Synthetic Ligands
US-2017369462-A1 · Dec 28, 2017 · US
Oxygen atoms, e.g. delta-lactones
Oxygen atoms, e.g. delta-lactones · 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 | C07D309/30 |
| Official title | Oxygen atoms, e.g. delta-lactones |
| Display label | Oxygen atoms, e.g. delta-lactones |
| Total patents | 156 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 17 |
| 2017 | 18 |
| 2018 | 17 |
| 2019 | 11 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 14 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
One step process for regioselective synthesis of α-acyloxy carbonyls
US-9834570-B2 · Dec 5, 2017 · US
Recovery of monomer from polyurethane materials by depolymerization
US-9815808-B2 · Nov 14, 2017 · US
Modulation of bacterial quorum sensing with synthetic ligands
US-9796694-B2 · Oct 24, 2017 · US
Recovery of monomer from polyurethane materials by depolymerization
US-2017247350-A1 · Aug 31, 2017 · US
Synthetic Route To Anhydroryanodol, Ryanodol And Structural Analogues
US-2017174648-A1 · Jun 22, 2017 · US
Substituted 3-hydroxy-δ-lactones from epoxides
US-9676743-B2 · Jun 13, 2017 · US
Process for preparing chiral dipeptidyl peptidase-iv inhibitors
US-2017158701-A1 · Jun 8, 2017 · US
Processes and Intermediates for Preparing a Macrocyclic Protease Inhibitor of HCV
US-2017152253-A1 · Jun 1, 2017 · US
Quaternary heteroatom containing compounds
US-2017137382-A1 · May 18, 2017 · US
Process for producing dihydro-2H-pyran derivatives
US-9630940-B2 · Apr 25, 2017 · US
Novel ruthenium complexes and their uses in processes for formation and/or hydrogenation of esters, amides and derivatives thereof
US-2017107251-A1 · Apr 20, 2017 · US
Compositions and methods for producing chemicals and derivatives thereof
US-2017088865-A1 · Mar 30, 2017 · US
Protecting phenol groups
US-9604893-B2 · Mar 28, 2017 · US
Withaferin a analogs and uses thereof
US-2017066797-A1 · Mar 9, 2017 · US
Liver targeted conjugates
US-9585964-B2 · Mar 7, 2017 · US
Substituted delta-lactones and methods of preparing same
US-2017057940-A1 · Mar 2, 2017 · US
Compositions and methods for producing chemicals and derivatives thereof
US-9528133-B2 · Dec 27, 2016 · US
Selective BACE1 inhibitors
US-9522923-B2 · Dec 20, 2016 · US
Local cochlear application of statins for stimulating neurite regrowth in the cochlea
US-9517233-B2 · Dec 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D309/30?
- CPC C07D309/30 is the Cooperative Patent Classification code for “Oxygen atoms, e.g. delta-lactones.”
- How many patents are filed under CPC C07D309/30 (Oxygen atoms, e.g. delta-lactones)?
- Our database includes 156 publications tagged with this CPC code.
- Is patent activity under CPC C07D309/30 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).