Preparation of isotopically labeled ketoglutarates and methods of hyperpolarization through signal amplification by reversible exchange (sabre)
US-2025134897-A1 · May 1, 2025 · US
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containing keto groups
containing keto 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 | C07C59/347 |
| Official title | containing keto groups |
| Display label | containing keto groups |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compound For Forming Metal-Containing Film, Composition For Forming Metal-Containing Film, And Patterning Process
US-2025076756-A1 · Mar 6, 2025 · US
Erg oncogene inhibitors
US-2023382862-A1 · Nov 30, 2023 · US
Sulfonic acid, carboxylic acid, and salts thereof
US-11440875-B2 · Sep 13, 2022 · US
Novel salts and polymorphic form of bempedoic acid
US-2022081385-A1 · Mar 17, 2022 · US
Method for extracting alpha-ketoglutarate and pyruvate simultaneously from microbial fermentation broth or enzymatic conversion solution
US-11193148-B2 · Dec 7, 2021 · US
Method for catalytic conversion of ketoacids and hydrotreament to hydrocarbons
US-10550062-B2 · Feb 4, 2020 · US
Sulfonic acid, carboxylic acid, and salts thereof
US-2020024229-A1 · Jan 23, 2020 · US
Method for catalytic conversion of ketoacids and hydrotreament to hydrocarbons
US-10538473-B2 · Jan 21, 2020 · US
Method for catalytic conversion of ketoacids via ketoacid dimer intermediate and hydrotreatment to hydrocarbons
US-9914690-B2 · Mar 13, 2018 · US
Method for catalytic conversion of ketoacids and hydrotreament to hydrocarbons
US-2018009731-A9 · Jan 11, 2018 · US
Photoresist with top-coating photo-decomposable base for photolithography
US-9645499-B2 · May 9, 2017 · US
Non-hygroscopic salts of 5-ht2c agonists
US-2017096398-A1 · Apr 6, 2017 · US
Method for catalytic conversion of ketoacids and hydrotreament to hydrocarbons
US-2017073294-A1 · Mar 16, 2017 · US
Method for catalytic conversion of ketoacids and hydrotreament to hydrocarbons
US-2017008864-A1 · Jan 12, 2017 · US
Non-hygroscopic salts of 5-HT2C agonists
US-9365521-B2 · Jun 14, 2016 · US
Photoresist with top-coating photo-decomposable base for photolithography
US-2016062241-A1 · Mar 3, 2016 · US
Compositions for the treatment of diabetes and pre-diabetes
US-9174931-B2 · Nov 3, 2015 · US
Compositions and methods for the treatment of diabetes and pre-diabetes
US-2015183728-A1 · Jul 2, 2015 · US
Compositions for the treatment of diabetes and pre-diabetes
US-8952068-B2 · Feb 10, 2015 · US