Method for preparing carbonyl sulfone
US-12351548-B2 · Jul 8, 2025 · US
Separation; Purification; Stabilisation; Use of additives
Separation; Purification; Stabilisation; Use of additives · 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 | C07C315/06 |
| Official title | Separation; Purification; Stabilisation; Use of additives |
| Display label | Separation; Purification; Stabilisation; Use of additives |
| Total patents | 47 |
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 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 12 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultrafast flow synthesis of functionalized sulfonyl fluorides and subsequent sufex connections via lithiated chemistry
US-2025188046-A1 · Jun 12, 2025 · US
Glucagon receptor antagonists
US-12208071-B2 · Jan 28, 2025 · US
Process for producing 4,4′-dichlorodiphenyl sulfoxide
US-12168642-B2 · Dec 17, 2024 · US
A SMALL MOLECULE TNF-a INHIBITOR AND PREPARATION METHOD AND USE THEREOF
US-2024285551-A1 · Aug 29, 2024 · US
Fluorinated Fluid Conditioning System
US-2024226771-A9 · Jul 11, 2024 · US
Fluorinated Fluid Conditioning System
US-2024131449-A1 · Apr 25, 2024 · US
Functionalized ionic liquid for solvating heavy aromatic compounds
US-2023250061-A1 · Aug 10, 2023 · US
Methods and devices to generate [F-18]triflyl fluoride and other [F-18] sulfonyl fluorides
US-11707538-B2 · Jul 25, 2023 · US
Chemoenzymatic process for coproduction of a disulfide and a sulfoxide or a sulfone
US-2023159447-A1 · May 25, 2023 · US
Continuous-flow preparation method of diol sulfone
US-2023127147-A1 · Apr 27, 2023 · US
Method for preparing carbonyl sulfone
US-2023054928-A1 · Feb 23, 2023 · US
A process for working up water containing 4,4'-dichlorodiphenyl sulfoxide and/or 4,4'-dichlorodiphenyl sulfone as impurities
US-2022388949-A1 · Dec 8, 2022 · US
A process for purifying crude 4,4'-dichlorodiphenyl sulfone
US-2022356152-A1 · Nov 10, 2022 · US
A process for purifying 4,4'-dichlorodiphenyl sulfone
US-2022340519-A1 · Oct 27, 2022 · US
A process for producing 4,4'-dichlorodiphenyl sulfone
US-2022289674-A1 · Sep 15, 2022 · US
A process for obtaining 4,4'-dichlorodiphenyl sulfone
US-2022274923-A1 · Sep 1, 2022 · US
Process for producing 4,4'-dichlorodiphenyl sulfone
US-2022267261-A1 · Aug 25, 2022 · US
Process for working up a composition comprising solid 4,4'-dichlorodiphenyl sulfoxide and a solvent
US-2022213031-A1 · Jul 7, 2022 · US
A process for obtaining 4,4'-dichlorodiphenyl sulfoxide
US-2022135522-A1 · May 5, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C315/06?
- CPC C07C315/06 is the Cooperative Patent Classification code for “Separation; Purification; Stabilisation; Use of additives.”
- How many patents are filed under CPC C07C315/06 (Separation; Purification; Stabilisation; Use of additives)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C07C315/06 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).