C09K 2205/32
The mixture being azeotropic
C09K2205/32 (The mixture being azeotropic) appears on 323 US grants and 265 published applications in this corpus.
Search patents in C09K- Granted patents
- 323
- Published applications
- 265
- Assignees
- 69
- Inventors
- 286
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 2 | 0 |
| 1993 | 15 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 15 | 0 |
| 1997 | 20 | 0 |
| 1998 | 22 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 4 |
| 2002 | 6 | 1 |
| 2003 | 8 | 8 |
| 2004 | 6 | 4 |
| 2005 | 6 | 9 |
| 2006 | 4 | 4 |
| 2007 | 4 | 4 |
| 2008 | 9 | 9 |
| 2009 | 7 | 11 |
| 2010 | 2 | 10 |
| 2011 | 12 | 9 |
| 2012 | 4 | 11 |
| 2013 | 3 | 7 |
| 2014 | 15 | 19 |
| 2015 | 13 | 21 |
| 2016 | 7 | 12 |
| 2017 | 13 | 18 |
| 2018 | 15 | 10 |
| 2019 | 14 | 16 |
| 2020 | 9 | 17 |
| 2021 | 12 | 14 |
| 2022 | 7 | 16 |
| 2023 | 8 | 12 |
| 2024 | 3 | 11 |
| 2025 | 5 | 2 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions and uses of trans-1,1,1,4,4,4-hexafluoro-2-butene and 1,1-difluoroethane (R-152A)15 Sep 2026US 12,734,388 B2The Chemours Company Fc, LLC
- Method for producing purified trans-1,2-difluoroethylene (HFO-1132(E)) and/or 1,1,2-trifluoroethylene (HFO-1123)8 Sep 2026US 12,729,172 B2Daikin Industries, Ltd.
- Composition18 Aug 2026US 12,709,703 B2Mexichem Fluor S.A. De C.V.
- Near-azeotropic refrigerant of ternary mixture CO2/R41/R17021 Jul 2026US 12,686,801 B2Anhui University of Technology
- Azeotrope or azeotrope-like compositions of 3,3,3-trifluoropropyne (TFPY) and hydrogen fluoride (HF)14 Jul 2026US 12,680,006 B2Solstice Advanced Materials US, Inc.
- Azeotrope or azeotrope-like compositions of trifluoroiodomethane (cf3i) and water13 Aug 2026US 2026/0233046 A1Honeywell International Inc.
- Compositions comprising cis-1,1,1,2,2,5,5,6,6,6-decafluoro-3-hexene ((z)hfo-153-10mczz) and uses thereof13 Aug 2026US 2026/0234455 A1The Chemours Company Fc, LLC
- Azeotrope or azeotrope-like compositions of 2-chloro-1,1,1,2-tetrafluoropropane (hcfc-244bb) and water16 Jul 2026US 2026/0201230 A1Solstice Advanced Materials US, Inc.
- Azeotrope and azeotrope-like compositions of 1-chloro-1,1,2-trifluoroethane (hcfc-133b) and hydrogen fluoride (hf) and applications thereof25 Jun 2026US 2026/0176515 A1
- Azeotropic or azeotropic-like composition comprising hydrogen fluoride and 1,1,2-trichloroethane, trans- 1,2-dichloroethylene or cis-1,2-dichloroethylene25 Jun 2026US 2026/0176516 A1Daikin Industries, 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
- Pentafluoropropane compositions76US 5,788,886 AE. I. Du Pont de Nemours and Company · 1998
- Azeotrope-like compositions containing difluoromethane, pentafluoroethane, and carbon dioxide73US 5,744,052 AE. I. Du Pont de Nemours and Company · 1998
- Azeotrope(like) mixtures of two hexafluoropropane stereoisomers69US 5,616,275 AE. I. Du Pont de Nemours and Company · 1997
- Ternary azeotropic compositions of 43-10mee (CF.sub.3 CHFCHFCH.sub.2 CF.sub .64US 5,064,560 AE. I. Du Pont de Nemours and Company · 1991