RE: [DMCForum] Re: OK, so I am a damn hippie!

["Dave Stragand" <dave.stragand@xxxxxxxxxxxxxxx>]

R12 was invented in the 1930's, right?  Wouldn't that mean it would have
expired in about 1947?

 

  _____  

From: DMCForum@xxxxxxxxxxxxxxx [mailto:DMCForum@xxxxxxxxxxxxxxx] On Behalf
Of Marc Levy
Sent: Wednesday, May 11, 2005 9:27 AM
To: DMCForum@xxxxxxxxxxxxxxx
Subject: Re: [DMCForum] Re: OK, so I am a damn hippie!

 

*      The whole idea behind R134a was profit for DuPont.

The patent on R12 expired.  :) 



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