C07F 7/2296
Purification, stabilisation, isolation
Official title: {Purification, stabilisation, isolation}
C07F7/2296 (Purification, stabilisation, isolation) appears on 19 US grants and 40 published applications in this corpus.
Search patents in C07F- Granted patents
- 19
- Published applications
- 40
- Assignees
- 22
- Inventors
- 88
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 4 |
| 2024 | 2 | 7 |
| 2025 | 2 | 8 |
| 2026 | 2 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High purity alkyl tin compounds and manufacturing methods thereof10 Feb 2026US 12,545,692 B2Gelest, Inc.
- Method of storing high purity alkyl tin compounds10 Feb 2026US 12,545,693 B2Gelest, Inc.
- Process for preparing organotin compounds5 Aug 2025US 12,378,265 B2Entegris, Inc.
- Process for the production of alkyltin halides22 Jul 2025US 12,365,702 B2Galata Chemicals, LLC
- Dialkyl tin oxide composition and process for producing 2-dimethylaminoethyl (meth)acrylate9 Jul 2024US 12,030,832 B2Snf Group
- Methods for producing and purifying organotin compounds, suppressing formation of dialkyl tin compounds, and selectively removing tetrakis(dialkylamino) tin compounds16 Jul 2026US 2026/0200959 A1Gelest, Inc.
- Monoalkyl tin compounds with low polyalkyl contamination, their compositions and methods25 Jun 2026US 2026/0176294 A1Inpria Corporation
- Compositions of Stannic Protoporfin for Long Term Stability and Container Closure Systems for Storing Stannic Protoporfin11 Jun 2026US 2026/0157962 A1
- Methods and article for storing organic tin compounds11 Jun 2026US 2026/0161086 A1Gelest, Inc.
- Monoalkyl tin compounds with low polyalkyl contamination, their compositions and methods21 May 2026US 2026/0138997 A1Inpria Corporation
Most cited
By later US patents
- Process for preparing organotin compounds8US 11,697,660 B2Entegris, Inc. · 2023
- Process for the fractional production of alkytin oxide6US 4,968,823 AM & T Yoshitomi Chemicals, Ltd. · 1990
- Process for preparing organotin compounds3US 11,685,752 B2Entegris, Inc. · 2023
- Monoalkyl tin trialkoxides and/or monoalkyl tin triamides with particulate contamination and corresponding methods2US 11,498,934 B2Inpria Corporation · 2022
- Process for purifying monooctylin trichloride1US 10,174,060 B2LANXESS Organometallics GmbH · 2019