Lactone-based probes and methods of use thereof
US-10822318-B2 · Nov 3, 2020 · US
Beta-lactones
Beta-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 | C07D305/12 |
| Official title | Beta-lactones |
| Display label | Beta-lactones |
| Total patents | 122 |
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 | 9 |
| 2016 | 12 |
| 2017 | 14 |
| 2018 | 11 |
| 2019 | 12 |
| 2020 | 20 |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flexible chemical production method
US-2020298199-A1 · Sep 24, 2020 · US
Continuous carbonylation processes
US-2019345125-A1 · Nov 14, 2019 · US
Systems and processes for thermolysis of polylactones to produce organic acids
US-10457624-B2 · Oct 29, 2019 · US
Integrated methods for chemical synthesis
US-2019315702-A1 · Oct 17, 2019 · US
Absorbent polymers, and methods and systems of producing thereof and uses thereof
US-2019255512-A1 · Aug 22, 2019 · US
Nanofiltration membranes and methods of use
US-2019255488-A1 · Aug 22, 2019 · US
Systems and methods for producing superabsorbent polymers
US-2019106532-A1 · Apr 11, 2019 · US
Nanofiltration membranes and methods of use
US-10245559-B2 · Apr 2, 2019 · US
Processses using multifunctional catalysts
US-2019076835-A1 · Mar 14, 2019 · US
Beta-propiolactone based copolymers containing biogenic carbon, methods for their production and uses thereof
US-2019071538-A1 · Mar 7, 2019 · US
Continuous carbonylation processes
US-10221150-B2 · Mar 5, 2019 · US
Processes for producing beta-lactone and beta-lactone derivatives with heterogenous catalysts
US-2019047972-A1 · Feb 14, 2019 · US
Acrylonitrile Derivatives from Epoxide and Carbon Monoxide Reagents
US-2019002400-A1 · Jan 3, 2019 · US
Beta-propiolactone based copolymers containing biogenic carbon, methods for their production and uses thereof
US-10144802-B2 · Dec 4, 2018 · US
Lactone-based probes and methods of use thereof
US-2018339972-A1 · Nov 29, 2018 · US
Method for producing a prefabricated building material
US-10131580-B2 · Nov 20, 2018 · US
Systems and processes for thermolysis of polylactones to produce organic acids
US-2018305289-A1 · Oct 25, 2018 · US
Thermolysis of polypropiolactone to produce acrylic acid
US-10065914-B1 · Sep 4, 2018 · US
Biodegradable polyols having higher biobased content
US-2018155490-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D305/12?
- CPC C07D305/12 is the Cooperative Patent Classification code for “Beta-lactones.”
- How many patents are filed under CPC C07D305/12 (Beta-lactones)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC C07D305/12 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).