C09K 2205/43
Type r22
Official title: Type R22
C09K2205/43 (Type r22) appears on 78 US grants and 119 published applications in this corpus.
Search patents in C09K- Granted patents
- 78
- Published applications
- 119
- Assignees
- 36
- Inventors
- 146
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 3 |
| 2003 | 8 | 4 |
| 2004 | 3 | 5 |
| 2005 | 3 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 0 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 4 |
| 2015 | 4 | 9 |
| 2016 | 3 | 9 |
| 2017 | 6 | 9 |
| 2018 | 7 | 4 |
| 2019 | 4 | 5 |
| 2020 | 8 | 21 |
| 2021 | 2 | 10 |
| 2022 | 4 | 3 |
| 2023 | 2 | 3 |
| 2024 | 2 | 3 |
| 2025 | 0 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inside air-conditioning device9 Jun 2026US 12,650,250 B2Daikin Industries, Ltd.
- Refrigerant compositions and use thereof in systems using flooded evaporators10 Mar 2026US 12,570,885 B2Solstice Advanced Materials US, Inc.
- 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.
- Compositions comprising 1,2-dichloro-1,2-difluoroethylene for use in heat transfer applications31 Dec 2024US 12,180,407 B2The Chemours Company Fc, LLC
- Inside air-conditioning device19 Nov 2024US 12,146,697 B2Daikin Industries, Ltd.
- Refrigerant-containing composition, use of same, refrigerator comprising same, and method for operating refrigerator22 Jan 2026US 2026/0022285 A1Daikin Industries, Ltd.
- Composition containing refrigerant, use of said composition, refrigeration method using said composition, and refrigeration unit and refrigerator containing said composition4 Dec 2025US 2025/0368876 A1Daikin Industries, Ltd.
- Refrigerant-containing composition, use of same, refrigerator comprising same, and method for operating refrigerator23 Oct 2025US 2025/0326962 A1Daikin Industries, Ltd.
- Refrigerant compositions containing propylene and fluorocarbons and uses thereof18 Sep 2025US 2025/0289988 A1The Chemours Company Fc, LLC
- Compositions comprising 1,2-dichloro-1,2-difluoroethylene for use in heat transfer applications20 Mar 2025US 2025/0092294 A1The Chemours Company Fc, LLC
Most cited
By later US patents
- Replacement refrigerant composition31US 5,688,432 AStar Refrigeration Limited · 1997
- Heat transfer fluid27US 9,599,381 B2Arkema France · 2017
- Refrigerant compositions25US 6,655,160 B2Rhodia Inc. · 2003
- Process for drying CH.sub.2 F.sub.2 refrigerant utilizing zeolite24US 5,347,822 AUop LLC · 1994
- Compositions comprising E-1,2-difluoroethylene and uses thereof23US 8,961,811 B2E. I. Du Pont de Nemours and Company · 2015