C09K 2205/114
Cyclic ethers
C09K2205/114 (Cyclic ethers) appears on 9 US grants and 6 published applications in this corpus.
Search patents in C09K- Granted patents
- 9
- Published applications
- 6
- Assignees
- 8
- Inventors
- 16
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refrigerator oil composition and mixed composition for refrigerator17 Mar 2026US 12,577,448 B2Idemitsu Kosan Co., Ltd.
- Perfluorobutyl ether-based composition16 Feb 2010US 7,662,303 B2Arkema France
- Azeotrope-like compositions and their use11 Sep 2001US 6,288,018 B13M Innovative Properties Company
- Azeotrope-like compositions and their use22 May 2001US 6,235,700 B13M Innovative Properties Company
- Azeotrope-like compositions and their use16 May 2000US 6,063,748 A3M Innovative Properties Company
- Refrigerator oil composition and mixed composition for refrigerator13 Mar 2025US 2025/0084295 A1Idemitsu Kosan Co., Ltd.
- Composition19 Sep 2024US 2024/0309255 A1Daikin Industries, Ltd.
- Azeotropic and azeotrope-like compositions of e-1,1,1,4,4,4-hexafluoro-2-butene and ethylene oxide and uses thereof16 Mar 2017US 2017/0072080 A1The Chemours Company Fc, LLC
- Azeotropic and azeotrope-like compositions of e-1,1,1,4,4,4-hexafluoro-2-butene and ethylene oxide and uses thereof6 Dec 2012US 2012/0309824 A1E. I. Du Pont de Nemours and Company
- Perfluorobutyl Ether-Based Composition16 Jul 2009US 2009/0181876 A1Arkema France
Most cited
By later US patents
- Azeotrope-like compositions and their use56US 5,814,595 AMinnesota Mining and Manufacturing Company · 1998
- Azeotrope-like compositions and their use27US 6,288,018 B13M Innovative Properties Company · 2001
- Azeotrope-like compositions and their use17US 6,063,748 A3M Innovative Properties Company · 2000
- Azeotrope-like compositions and their use8US 6,235,700 B13M Innovative Properties Company · 2001
- 1,1,2,2,3,3,4,4,-octafluorobutane compositions4US 5,562,853 AE. I. Du Pont de Nemours and Company · 1996