C09K 2205/11
Ethers
C09K2205/11 (Ethers) appears on 246 US grants and 251 published applications in this corpus.
Search patents in C09K- Granted patents
- 246
- Published applications
- 251
- Assignees
- 75
- Inventors
- 308
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 13 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 7 |
| 2003 | 13 | 11 |
| 2004 | 5 | 8 |
| 2005 | 10 | 22 |
| 2006 | 6 | 9 |
| 2007 | 16 | 22 |
| 2008 | 13 | 15 |
| 2009 | 6 | 18 |
| 2010 | 6 | 8 |
| 2011 | 10 | 14 |
| 2012 | 2 | 7 |
| 2013 | 6 | 4 |
| 2014 | 5 | 6 |
| 2015 | 8 | 16 |
| 2016 | 12 | 10 |
| 2017 | 5 | 8 |
| 2018 | 6 | 6 |
| 2019 | 6 | 11 |
| 2020 | 11 | 10 |
| 2021 | 9 | 13 |
| 2022 | 5 | 6 |
| 2023 | 5 | 8 |
| 2024 | 0 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composition18 Aug 2026US 12,709,703 B2Mexichem Fluor S.A. De C.V.
- Refrigerator oil composition and mixed composition for refrigerator17 Mar 2026US 12,577,448 B2Idemitsu Kosan Co., Ltd.
- Composition containing refrigerant, use thereof, refrigerator having same, and operation method for said refrigerator25 Nov 2025US 12,480,028 B2Daikin Industries, Ltd.
- Refrigerant-containing composition, heat transfer medium, and heat cycle system18 Nov 2025US 12,473,477 B2Daikin Industries, Ltd.
- Epoxide and fluorinated epoxide stabilizers for fluoroolefins26 Dec 2023US 11,851,602 B2The Chemours Company Fc, LLC
- Composition for heat transfer fluid, heat transfer fluid, heat transfer apparatus, and heat transfer method9 Jul 2026US 2026/0193504 A1Daikin Industries, Ltd.
- Working medium for heat cycle, method for storing working medium for heat cycle, method for manufacturing working medium for heat cycle,composition for heat cycle system, and storage container for working medium for heat cycle28 May 2026US 2026/0146193 A1AGC Inc.
- Heat transfer compositions and methods of retrofitting heat transfer systems12 Mar 2026US 2026/0071107 A1Honeywell International Inc.
- Compositions comprising 2,3,3,3-tetrafluoropropene17 Jul 2025US 2025/0230350 A1The Chemours Company Fc, LLC
- Refrigerator oil composition and mixed composition for refrigerator13 Mar 2025US 2025/0084295 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane102US 5,182,040 AE. I. Du Pont de Nemours and Company · 1993
- Variable load refrigeration system particularly for cryogenic temperatures102US 6,076,372 APraxair Technology, Inc. · 2000
- Multicomponent refrigerant cooling with internal recycle78US 6,065,305 APraxair Technology, Inc. · 2000
- Pentafluoropropane compositions76US 5,788,886 AE. I. Du Pont de Nemours and Company · 1998
- Fluoroiodocarbon blends as CFC and halon replacements61US 5,444,102 AIkon Corporation · 1995