| 2026-04-18 | Non-eco-friendly refrigerant |
| 2025-07-27 | Trademarked refrigerant |
| 2023-02-26 | Trademarked refrigerant |
| 2021-01-18 | Refrigerator compound |
| 2019-10-30 | Air-conditioning coolant |
| 2019-02-15 | Gas once used in aerosols |
| 2017-02-18 | It has a chilling effect |
| 2016-11-10 | Compound under control by the Kyoto Protocol |
| 2014-04-12 | Ozone menace |
| 2013-11-09 | Kind of compressor |
| 2012-12-15 | Common cooler |
| 2009-09-12 | Ozone damager |
| 2009-02-16 | Air-conditioning gas |
| 2008-01-27 | Damager of the ozone layer |
| 2006-02-09 | Fluorine/carbon compound |
| 2006-01-14 | DuPont trademark |
| 2005-12-28 | Aerosol gas |
| 2005-09-16 | DuPont trademark |
| 2004-12-05 | Obsolescent refrigerant |
| 2002-07-23 | Common refrigerant |
| 2000-11-27 | Refrigerator gas |
| 1999-01-16 | Commercial fluorocarbon |