They really put a lot of effort into this for a year or two, but eventually dropped it and went on to other things, like "deforestation of the rain forests" and "global warming."
Dichlorodifluoromethane and all others in its class of chlorine compounds were eliminated in the world R12 being the one most people are familiar with. It was replaced with chlorine free R134 due to Dichlorodifluoromethane nasty habit of floating into the sky where UV light broke its chemical chains releasing the chlorine molecules which have a habit of binding to ozone or O3 gas forming chlorine dioxide itself a nasty substance but more importantly by consuming ozone it removed it from the stratosphere letting more in to the surface this us and for plants and people. The world is a much better place for the banning of the chlorocarbons.