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nubee
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Thu Apr 21, 2005 10:59 am
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Phenethylamine Patents

US patents found in class 564 subclass 381 on phenethylamines with alpha alkyl substituents and subclass 382 on phenethylamines with beta alkyl substituents. Sometimes the alpha and beta positions get confused and also the patents tend to disclose both so they have been grouped together here.

http://www.geocities.com/dritte123/phenpat.html
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