Process for preparing organotin compounds
US-2026078137-A1 · Mar 19, 2026 · US
Purification, stabilisation, isolation
Purification, stabilisation, isolation · 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 | C07F7/2296 |
| Official title | {Purification, stabilisation, isolation} |
| Display label | Purification, stabilisation, isolation |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of storing high purity alkyl tin compounds
US-12545693-B2 · Feb 10, 2026 · US
High purity alkyl tin compounds and manufacturing methods thereof
US-12545692-B2 · Feb 10, 2026 · US
High purity alkyl tin compounds and manufacturing methods thereof
US-2026008794-A1 · Jan 8, 2026 · US
Method of storing high purity alkyl tin compounds
US-2026001897-A1 · Jan 1, 2026 · US
High-purity tin composition, methods for storing and producing the same, and tin hydrolysate, tin hydrolysate solution, and tin hydrolysate thin film using the same
US-2025388610-A1 · Dec 25, 2025 · US
Method for storing organotin compounds and article
US-2025347991-A1 · Nov 13, 2025 · US
Process for preparing organotin compounds
US-12378265-B2 · Aug 5, 2025 · US
Analysis of high purity alkyl tin compounds
US-2025231156-A1 · Jul 17, 2025 · US
Methods for purifying tin compounds
US-2025179101-A1 · Jun 5, 2025 · US
High purity monoorgano tin compounds and methods for preparation thereof
US-2025154178-A1 · May 15, 2025 · US
Methods for producing and purifying organotin compounds, suppressing formation of dialkyl tin compounds and selectively removing tetrakis(dialkylamino) tin compounds
US-2025101051-A1 · Mar 27, 2025 · US
Monoalkyl tin compounds with low polyalkyl contamination, their compositions and methods
US-2025074931-A1 · Mar 6, 2025 · US
High purity tin compounds containing unsaturated substituent and method for preparation thereof
US-2024376134-A1 · Nov 14, 2024 · US
Monoalkyl tin trialkoxides and/or monoalkyl tin triamides with particulate contamination and corresponding methods
US-2024309027-A1 · Sep 19, 2024 · US
Method for purifying tin compounds
US-2024270764-A1 · Aug 15, 2024 · US
Monoalkyl tin trialkoxides and/or monoalkyl tin triamides with particulate contamination and corresponding methods
US-12024534-B2 · Jul 2, 2024 · US
Direct synthesis of organotin alkoxides
US-2024199658-A1 · Jun 20, 2024 · US
High purity alkyl tin compounds and manufacturing methods thereof
US-2024092811-A1 · Mar 21, 2024 · US
High purity alkyl tin compounds and manufacturing methods thereof
US-2023391804-A1 · Dec 7, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F7/2296?
- CPC C07F7/2296 is the Cooperative Patent Classification code for “Purification, stabilisation, isolation.”
- How many patents are filed under CPC C07F7/2296 (Purification, stabilisation, isolation)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C07F7/2296 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).