C09K 2205/34
The mixture being non-azeotropic
C09K2205/34 (The mixture being non-azeotropic) appears on 61 US grants and 51 published applications in this corpus.
Search patents in C09K- Granted patents
- 61
- Published applications
- 51
- Assignees
- 36
- Inventors
- 117
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 4 | 4 |
| 2015 | 0 | 1 |
| 2016 | 1 | 4 |
| 2017 | 4 | 4 |
| 2018 | 3 | 2 |
| 2019 | 0 | 4 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 4 |
| 2023 | 2 | 2 |
| 2024 | 0 | 3 |
| 2025 | 1 | 4 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low GWP refrigerant blends18 Aug 2026US RE50,995 E1RPL Holdings Limited
- Heat pump apparatus9 Jun 2026US 12,650,251 B2Daikin Industries, Ltd.
- Refrigerant compositions and use thereof26 May 2026US 12,637,602 B2Mexichem Fluor S.A. De C.V.
- Refrigeration apparatus with non-azeotropic refrigerant mixture26 May 2026US 12,638,219 B2PHC Corporation
- Drop-in recycled refrigerant compositions having no net GWP being a drop-in replacement for R-32 and R-454B3 Feb 2026US 12,540,265 B2The Coulan Company, L.L.C.
- Refrigerant composition for air conditioning device20 Aug 2026US 2026/0242650 A1Ym Lemy Corporation
- Solvent compositions and associated methods9 Oct 2025US 2025/0313780 A1Shellef Holdings Inc.
- Solvent compositions and associated methods9 Oct 2025US 2025/0313781 A1
- Refrigeration cycle apparatus10 Jul 2025US 2025/0224165 A1Daikin Industries, Ltd.
- Reciprocating compressor lubricants13 Feb 2025US 2025/0051679 A1The Lubrizol Corporation
Most cited
By later US patents
- Non-azeotropic refrigerant compositions containing carbon dioxide76US 5,736,063 AAlliedSignal Inc. · 1998
- Lubricant refrigerant composition for hydrofluorocarbon (HFC) refrigerants41US 6,374,629 B1The Lubrizol Corporation · 2002
- Drop-in substitutes for 1,1,1,2-tetrafluoroethane (R-134a) refrigerant39US 5,954,995 A1999
- Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons39US 7,524,805 B2Honeywell International Inc. · 2009
- Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons37US 8,148,317 B2Honeywell International Inc. · 2012