A method for synthesizing xanthohumol
US-2024239732-A1 · Jul 18, 2024 · US
by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional 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 | C07C45/65 |
| Official title | by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups |
| Display label | by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups |
| Total patents | 136 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 16 |
| 2020 | 19 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 13 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circular economy methods of preparing unsaturated compounds
US-10435345-B2 · Oct 8, 2019 · US
Methods and intermediates for preparing therapeutic compounds
US-2019300505-A1 · Oct 3, 2019 · US
Process for the preparation of polysantol-type compounds
US-2019292127-A1 · Sep 26, 2019 · US
A rotary device
US-2018369848-A1 · Dec 27, 2018 · US
Sacubitril intermediate and preparation method thereof
US-2018362439-A1 · Dec 20, 2018 · US
Compounds and their synthesis
US-10118892-B2 · Nov 6, 2018 · US
Asymmetric catalytic decarboxylative alkyl alkylation using low catalyst concentrations and a robust precatalyst
US-10106479-B2 · Oct 23, 2018 · US
Hydrosilane/Lewis acid adduct, particularly aluminum, iron, and zinc, method for preparing same, and use of said same in reactions for reducing carbonyl derivatives
US-10099986-B2 · Oct 16, 2018 · US
Process for synthesizing 2-hydroxy-6-((2-(1-isopropyl-1H-pyrazol-5-yl)-pyridin-3-yl)methoxy)benzaldehyde
US-10077249-B2 · Sep 18, 2018 · US
Method of fabricating [F-18]FEONM precursor
US-10059661-B1 · Aug 28, 2018 · US
Method for producing 2-acetyl-4h,9h-naphtho[2,3-b]furan-4,9-dione
US-2018201597-A1 · Jul 19, 2018 · US
Hydrosilane/lewis acid adduct, particularly aluminum, iron, and zinc, method for preparing same, and use of said same in reactions for reducing carbonyl derivatives
US-2018009730-A1 · Jan 11, 2018 · US
Circular economy methods of preparing unsaturated compounds
US-2017362155-A1 · Dec 21, 2017 · US
Process for synthesizing 2-hydroxy-6-((2-(1-isopropyl-1h-pyrazol-5-yl)-pyridin-3-yl)methoxy)benzaldehyde
US-2017327484-A1 · Nov 16, 2017 · US
Dehydration process
US-9765007-B2 · Sep 19, 2017 · US
Mixed metal double salt ionic liquids with tunable acidity
US-2017209858-A1 · Jul 27, 2017 · US
Process for the synthesis of 7-methoxy-naphthalene-1-carbaldehyde and application in the synthesis of agomelatine
US-9701608-B2 · Jul 11, 2017 · US
Method for producing indanone derivatives
US-9676691-B2 · Jun 13, 2017 · US
Fluorination method
US-2017137341-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/65?
- CPC C07C45/65 is the Cooperative Patent Classification code for “by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups.”
- How many patents are filed under CPC C07C45/65 (by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups)?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/65 growing?
- Publication counts under this code: 13 in 2024 vs 4 in 2025 (latest complete years).