Reduction process for preparation of cyclic nitrogen compounds
United States Patent 3055882
Inventors:
Paul, Mull Robert
Publication Date:
09/25/1962
Assignee:
CIBA GEIGY CORP
Other Classes:
540/534, 548/517, 548/550, 540/531, 548/569, 540/483, 546/246, 548/568
International Classes:
C07D295/13; C07D295/00