This is just another myth. Dupont's Freon patent ran out in the 1950s, long before the ozone problem was discovered and they do not have a patent on R134a. There are 5 major manufacturers of R134a & Dupont is just one of them.
Tom www.kegkits.com Quoting Trampas <[EMAIL PROTECTED]>: > What happened is Dupont's patent expired then the scientists found the > problem. Luckly Dupont had the solution in R134 which they have a > patent > on... > > Trampas > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > On Behalf Of Tom Hargrave > Sent: Friday, September 07, 2007 3:31 PM > To: 'Craig McCluskey'; 'Mercedes Discussion List' > Subject: Re: [MBZ] Fix or Sell? killer R12 > > The scientists don't understand why either but they do measue traces of > R12 in the stratosphere. The other issue is that the free chlorine acts > as a catalyst to break down ozone. > > Thanks, Tom > 256-656-1924 > > -----Original Message----- > From: "Craig McCluskey" <[EMAIL PROTECTED]> > To: "Mercedes Discussion List" <mercedes@okiebenz.com> > Sent: 9/7/07 1:25 PM > Subject: Re: [MBZ] Fix or Sell? killer R12 > > On Fri, 7 Sep 2007 09:25:09 -0500 "Bob DuPuy" <[EMAIL PROTECTED]> > wrote: > > > You pablum eater and kool aide drinkers crack me up. Ozone is > > continually created in the upper atmosphere in vast quantities by > > sunlight acting on the gases present. It is the height of hubris to > > think mans puny efforts even if they were intentional could have a > > significant effect. R12 was banned after very little evidence was > > gathered because it was too easy to produce and too efficient in > doing > > its job to be profitable any more. > > I'm not sure the state of all research into this topic, but I've always > wondered how carbon tetrachloride (freon) with a molecular weight of > 152 > would be more prevalent in the upper atmosphere than the vastly more > available sodium chloride (in sea water) which has a molecular weight > of > 58. > > > Craig > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > Thanks, Tom Hargrave 256-656-1924 _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
