The rumor that has been going around about the whole R-12 ban issue is this. Dupont holds the patent on the refrigerant R-12. In the next couple of years their patent will run out. They also hold the patent for R-134a which will not run out for many years to come. You can draw your own conclusions from this I would imagine. I am not saying this is a fact, it is merely a rumor. Of course I live about an hour away from the Dupont facility in Delaware... Its worth as much as you paid for it. Ken Wilford John 3:16 |
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