A Diazo Compound And A Preparation Method And A Use Thereof
US-2025067749-A1 · Feb 27, 2025 · US
the carbon skeleton being further substituted by carboxyl groups
the carbon skeleton being further substituted by carboxyl 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 | C07C245/18 |
| Official title | the carbon skeleton being further substituted by carboxyl groups |
| Display label | the carbon skeleton being further substituted by carboxyl groups |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glutamine antagonists and uses thereof
US-12195419-B2 · Jan 14, 2025 · US
Dendrimer-glutamine antagonist conjugates and methods of use thereof
US-2024398962-A1 · Dec 5, 2024 · US
Reagents and methods for esterification
US-12110523-B2 · Oct 8, 2024 · US
Prodrugs of 6-diazo-5-oxo-l-norleucine
US-2024246902-A1 · Jul 25, 2024 · US
Prodrugs of glutamine analogs
US-11926640-B2 · Mar 12, 2024 · US
Novel glutamine antagonists and uses thereof
US-2023009398-A1 · Jan 12, 2023 · US
Reagents and methods for esterification
US-2022073899-A1 · Mar 10, 2022 · US
Reagents and methods for esterification
US-11180748-B2 · Nov 23, 2021 · US
Prodrugs of glutamine analogs
US-2021206787-A1 · Jul 8, 2021 · US
N-transfer reagent and method for preparing the same and its application
US-11040939-B1 · Jun 22, 2021 · US
Prodrugs of glutamine analogs
US-10954257-B2 · Mar 23, 2021 · US
Prodrugs of glutamine analogs
US-10738066-B2 · Aug 11, 2020 · US
Reagents and Methods for Esterification
US-2020032238-A1 · Jan 30, 2020 · US
Prodrugs of glutamine analogs
US-2019315783-A1 · Oct 17, 2019 · US
Prodrugs of glutamine analogs
US-2019315784-A1 · Oct 17, 2019 · US
Reagents and methods for esterification
US-10428323-B2 · Oct 1, 2019 · US
Prodrugs of glutamine analogs
US-10336778-B2 · Jul 2, 2019 · US
Methods for bioanalysis of 6-diazo-5-oxo-l-norleucine (don) and other glutamine antagonists
US-2018267067-A1 · Sep 20, 2018 · US
Prodrugs of glutamine analogs
US-2018222930-A1 · Aug 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C245/18?
- CPC C07C245/18 is the Cooperative Patent Classification code for “the carbon skeleton being further substituted by carboxyl groups.”
- How many patents are filed under CPC C07C245/18 (the carbon skeleton being further substituted by carboxyl groups)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C07C245/18 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).