Process for preparing 4-amino-pyridazines
US-12162841-B2 · Dec 10, 2024 · US
Reduction in general
Reduction in general · 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 | C07B31/00 |
| Official title | Reduction in general |
| Display label | Reduction in general |
| Total patents | 66 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 12 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrogenation of esters to alcohols in the presence of an mn-pnn complex
US-2024294448-A1 · Sep 5, 2024 · US
Non-Cryogenic, Ammonia-Free Reduction of Aryl Compounds
US-2024092708-A1 · Mar 21, 2024 · US
Non-cryogenic, ammonia-free reduction of aryl compounds
US-11866386-B2 · Jan 9, 2024 · US
Hydrogenation of carbonyls with tetradentate PNNP ligand ruthenium complexes
US-11858948-B2 · Jan 2, 2024 · US
Method for producing pyrrole compound
US-2023322669-A1 · Oct 12, 2023 · US
Method for producing pyrrole compound
US-11649206-B2 · May 16, 2023 · US
Binuclear gold(i) compounds for photocatalysis applications
US-2023120881-A1 · Apr 20, 2023 · US
Processes for the conversion of mixed oxygenates feedstocks to hydrocarbon fuels
US-11492303-B2 · Nov 8, 2022 · US
Arene-immobilized ru(II)TsDPEN complexes: synthesis and applications to the asymetric transfer hydrogenation of ketones
US-11459287-B1 · Oct 4, 2022 · US
Catalyst and method for producing diene compound
US-2022288562-A1 · Sep 15, 2022 · US
Treatment of quarry liquid effluent
US-11319232-B2 · May 3, 2022 · US
Non-Cryogenic, Ammonia-Free Reduction of Aryl Compounds
US-2022089508-A1 · Mar 24, 2022 · US
Method for the production of a material of plant origin that is rich in phenolic acids, comprising at least one metal, for carrying out organic synthesis reactions
US-11254597-B2 · Feb 22, 2022 · US
Method for producing pyrrole compound
US-2021309609-A1 · Oct 7, 2021 · US
Process for preparing 4-amino-pyridazines
US-2021276959-A1 · Sep 9, 2021 · US
Processes for the conversion of mixed oxygenates feedstocks to hydrocarbon fuels
US-2021269377-A1 · Sep 2, 2021 · US
Method for producing pyrrole compound
US-11066362-B2 · Jul 20, 2021 · US
Process for preparing 4-amino-pyridazines
US-11046656-B2 · Jun 29, 2021 · US
Process for making flavor and fragrant compounds
US-10941419-B2 · Mar 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07B31/00?
- CPC C07B31/00 is the Cooperative Patent Classification code for “Reduction in general.”
- How many patents are filed under CPC C07B31/00 (Reduction in general)?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC C07B31/00 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).