Hydroformylation process
US-2020247741-A1 · Aug 6, 2020 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C07C45/86 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 96 |
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 | 10 |
| 2016 | 17 |
| 2017 | 16 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing indancarbaldehyde
US-2020140360-A1 · May 7, 2020 · US
Process for hydroformylating short-chain olefins in the gas phase
US-2020109101-A1 · Apr 9, 2020 · US
Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes
US-2019241496-A1 · Aug 8, 2019 · US
Method for ketonisation of biological material
US-10370317-B2 · Aug 6, 2019 · US
The optimization of o-sulfonated phenol production for cumene hydroperoxide cleavage
US-2019177257-A1 · Jun 13, 2019 · US
Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes
US-10308585-B2 · Jun 4, 2019 · US
Optimization of O-sulfonated phenol production for cumene hydroperoxide cleavage
US-10246392-B2 · Apr 2, 2019 · US
Synthesis of metal complexes and uses thereof
US-2019030520-A1 · Jan 31, 2019 · US
Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes
US-2019023642-A1 · Jan 24, 2019 · US
Method for ketonisation of biological material
US-2019002382-A1 · Jan 3, 2019 · US
Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes
US-10112888-B2 · Oct 30, 2018 · US
Method for producing hydride using unsaturated compound having carbon number of 4 as raw material
US-10065938-B2 · Sep 4, 2018 · US
Method for ketonisation of biological material
US-10040744-B2 · Aug 7, 2018 · US
Process for the manufacture of alcohol and/or ketone
US-9975116-B2 · May 22, 2018 · US
Nanoparticle catalysts for conversion of cyclohexanol to cyclohexanone
US-2018065910-A1 · Mar 8, 2018 · US
Method of preparing 1,3-butadiene and methyl ethyl ketone from 2,3-butanediol using adiabatic reactor
US-9884800-B2 · Feb 6, 2018 · US
Method for ketonisation of biological material
US-2017362154-A1 · Dec 21, 2017 · US
Method for improving preservation stability of 2,2-difluoroacetaldehyde
US-9845278-B2 · Dec 19, 2017 · US
Method of preparing 1,3-butadiene and methyl ethyl ketone from 2,3-butanediol using adiabatic reactor
US-2017342009-A1 · Nov 30, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/86?
- CPC C07C45/86 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07C45/86 (Chemistry & Metallurgy)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/86 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).