C09K 2205/40
Replacement mixtures
C09K2205/40 (Replacement mixtures) appears on 342 US grants and 520 published applications in this corpus.
Search patents in C09K- Granted patents
- 342
- Published applications
- 520
- Assignees
- 75
- Inventors
- 326
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 5 |
| 2003 | 12 | 5 |
| 2004 | 3 | 5 |
| 2005 | 4 | 5 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 4 | 9 |
| 2011 | 2 | 9 |
| 2012 | 3 | 11 |
| 2013 | 3 | 13 |
| 2014 | 10 | 17 |
| 2015 | 17 | 41 |
| 2016 | 17 | 34 |
| 2017 | 24 | 24 |
| 2018 | 24 | 26 |
| 2019 | 22 | 27 |
| 2020 | 21 | 63 |
| 2021 | 25 | 60 |
| 2022 | 30 | 52 |
| 2023 | 22 | 34 |
| 2024 | 20 | 31 |
| 2025 | 20 | 29 |
| 2026 | 14 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low GWP refrigerant blends18 Aug 2026US RE50,995 E1RPL Holdings Limited
- Inside air-conditioning device9 Jun 2026US 12,650,250 B2Daikin Industries, Ltd.
- Refrigerant compositions and use thereof26 May 2026US 12,637,602 B2Mexichem Fluor S.A. De C.V.
- Compositions comprising Z-1,1,1,4,4,4-hexafluoro-2-butene and uses thereof19 May 2026US 12,630,687 B2The Chemours Company Fc, LLC
- Azeotropic or azeotrope-like composition containing trifluoroethylene12 May 2026US 12,623,984 B2Daikin Industries, Ltd.
- Compositions comprising z-1,1,1,4,4,4-hexafluoro-2-butene and uses thereof3 Sep 2026US 2026/0258214 A1The Chemours Company Fc, LLC
- Compositions comprising hexafluorobutene, tetrafluoropropene, and tetrafluoroethane and uses thereof13 Aug 2026US 2026/0235337 A1The Chemours Company Fc, LLC
- Heat transfer compositions, methods and sytems16 Jul 2026US 2026/0201231 A1Solstice Advanced Materials US, Inc.
- Composition including refrigerant, use thereof, refrigerator having same, and method for operating said refrigerator9 Jul 2026US 2026/0193505 A1Daikin Industries, Ltd.
- Method of forming refrigerant systems19 Mar 2026US 2026/0078937 A1Solstice Advanced Materials US, Inc.
Most cited
By later US patents
- Alternative refrigerant including hexafluoropropylene53US 6,258,292 B12001
- Ternary compositions for low-capacity refrigeration42US 9,175,203 B2Arkema France · 2015
- Substitute refrigerant for dichlorodifluoromethane refrigeration systems40US 5,425,890 AAPD Cryogenics, Inc. · 1995
- Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons39US 7,524,805 B2Honeywell International Inc. · 2009
- Working fluid for heat cycle, composition for heat cycle system, and heat cycle system38US 10,131,827 B2AGC Inc. · 2018