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To: K. Voytell who wrote (172)3/2/1998 11:41:00 PM
From: Wade  Read Replies (1) | Respond to of 341
 
I did. There are 12 patents within the recent several years. I will be reading them and make some comments after I finish them.

The water pipe scale cleaning patent includes circulation of acidic chemical solutions and forward and backward flushing methods which are not too unique. There are a few patents regarding special formulations for scale control and cleaning which could be the most interesting part of their invention. I will check them out as well.

Sincerely,
Wade