01-30-02 19:12
No 263016
GB 1097270 appears to bee very nice - check it out.
"this invention relates toa process for the production methylenedioxybenzene 1,3 benzoathiole and related compounds."
making piperonal from OTC kinds of compounds.
whatcha think, eh?
OTEECEE & meeeee!!!!
(Chief Bee)
01-30-02 23:26
No 263095
This patent also corresponds to US Pat 3,436,403.