Method for preparing 1,3-dicarbonyl compound based on metal hydride/palladium compound system
US-11180437-B2 · Nov 23, 2021 · US
by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof
by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof · 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 | C07C45/41 |
| Official title | by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof |
| Display label | by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof |
| Total patents | 86 |
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 | 12 |
| 2016 | 10 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 17 |
| 2022 | 9 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production of renewable base oil and diesel by pre-fractionation of fatty acids
US-11162033-B2 · Nov 2, 2021 · US
Renewable base oil in lubricant formulations
US-11162044-B2 · Nov 2, 2021 · US
Novel processes for preparation of dapagliflozin or its solvates or co-crystals thereof
US-2021323939-A1 · Oct 21, 2021 · US
Method for converting carboxylic acids and esters into base oil hydrocarbons
US-11149206-B2 · Oct 19, 2021 · US
Process for the production of renewable base oil, diesel and naphtha
US-11142701-B2 · Oct 12, 2021 · US
Cyclopentadiene fuels
US-11078139-B1 · Aug 3, 2021 · US
Application of metal hydride/palladium compound system in preparation of 1,3-dicarbonyl compound in cascade reaction of electron-deficient alkene compound
US-2021206707-A1 · Jul 8, 2021 · US
Method for preparing 1,3-dicarbonyl compound based on metal hydride/palladium compound system
US-2021206708-A1 · Jul 8, 2021 · US
Carbon mediated water-splitting using formaldehyde
US-2021188631-A1 · Jun 24, 2021 · US
Fuels and methods of making the same
US-2021188734-A1 · Jun 24, 2021 · US
Ripening of 1,4-bis (4-phenoxybenzoyl)benzene
US-2021155570-A1 · May 27, 2021 · US
Production of renewable base oil and diesel by pre-fractionation of fatty acids
US-2021139786-A1 · May 13, 2021 · US
Method for converting carboxylic acids and esters into base oil hydrocarbons
US-2021139787-A1 · May 13, 2021 · US
Apparatus and method of preparing carbonate and/or formate from carbon dioxide
US-10988847-B2 · Apr 27, 2021 · US
Processes for preparing a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound and hydroxymethyl 1,2,2-trimethyl-3-cyclopentenyl ketone, and a halomethyl (1,2,2-trimethyl-3-cyclopentenyl) ketone compound
US-2021114960-A1 · Apr 22, 2021 · US
Ripening of 1,4-bis (4-phenoxybenzoyl)benzene
US-10981852-B2 · Apr 20, 2021 · US
Substituted 1,2,3,4-tetrahydro-1,1'-biphenyl compounds
US-2020299253-A1 · Sep 24, 2020 · US
Process for the production of renewable base oil, diesel and naphtha
US-2020181504-A1 · Jun 11, 2020 · US
TiO2 CATALYST IN KETONISATION REACTIONS TO PRODUCE RBO
US-2020181503-A1 · Jun 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/41?
- CPC C07C45/41 is the Cooperative Patent Classification code for “by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof.”
- How many patents are filed under CPC C07C45/41 (by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof)?
- Our database includes 86 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/41 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).