Methods to store transition metal organophosphorous ligand based catalysts
US-10478812-B2 · Nov 19, 2019 · US
by liquid-liquid treatment
by liquid-liquid treatment · 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 | C07C45/80 |
| Official title | by liquid-liquid treatment |
| Display label | by liquid-liquid treatment |
| Total patents | 130 |
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 | 11 |
| 2016 | 10 |
| 2017 | 9 |
| 2018 | 13 |
| 2019 | 24 |
| 2020 | 19 |
| 2021 | 15 |
| 2022 | 11 |
| 2023 | 3 |
| 2024 | 11 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for purifying an aqueous solution comprising diethylacetal
US-10463987-B2 · Nov 5, 2019 · US
Renewable ketone waxes with unique carbon chain lengths and polarities
US-10450256-B2 · Oct 22, 2019 · US
Method for producing acetic acid
US-10428003-B2 · Oct 1, 2019 · US
Fenfluramine compositions and methods of preparing the same
US-2019284124-A1 · Sep 19, 2019 · US
Method for producing hydroxypivalaldehyde
US-10392335-B2 · Aug 27, 2019 · US
Method for producing diol having cyclic acetal skeleton
US-10370384-B2 · Aug 6, 2019 · US
Process for purifying an aqueous solution comprising diethylacetal
US-2019232193-A1 · Aug 1, 2019 · US
Method for recovering phenol and acetone from cracking reaction product of bisphenol-A residue
US-10358403-B2 · Jul 23, 2019 · US
Process and apparatus for removing aldehydes from acetone
US-10358406-B2 · Jul 23, 2019 · US
Use of a Lewis donor solvent to purify a feedstock that contains ethanol, acetaldehyde, and impurities
US-10351497-B2 · Jul 16, 2019 · US
Fenfluramine compositions and methods of preparing the same
US-10351510-B2 · Jul 16, 2019 · US
Process for the recovery of ketones and glycols from fermentation
US-2019135723-A1 · May 9, 2019 · US
Renewable ketone waxes with unique carbon chain lengths and polarities
US-2019106371-A1 · Apr 11, 2019 · US
Dissociation of 1,4-bis (4-phenoxybenzoyl)benzene - lewis acid complex in a protic solvent
US-2019077739-A1 · Mar 14, 2019 · US
Method for producing diol having cyclic acetal skeleton
US-2019055259-A1 · Feb 21, 2019 · US
Process and apparatus for removing aldehydes from acetone
US-2019002383-A1 · Jan 3, 2019 · US
Method for manufacturing 1,4-bis (4-phenoxybenzoylbenzene) at an elevated temperature
US-2018334418-A1 · Nov 22, 2018 · US
Purification of 1,4-bis (4-phenoxybenzoyl)benzene by centrifugal filtration
US-2018334538-A1 · Nov 22, 2018 · US
Dissociation of a 1,4-bis (4-phenoxybenzoyl)benzene - lewis acid complex in an aqueous solution
US-2018334420-A1 · Nov 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/80?
- CPC C07C45/80 is the Cooperative Patent Classification code for “by liquid-liquid treatment.”
- How many patents are filed under CPC C07C45/80 (by liquid-liquid treatment)?
- Our database includes 130 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/80 growing?
- Publication counts under this code: 11 in 2024 vs 4 in 2025 (latest complete years).