Inventor
MA JUNNING
US3 patents
Patents
3 patentsUS6054584AApr 25, 2000
Process for extracting and purifying morphine from opium
UNIV COMMUNITY COLLEGE SYS NEV22 citations89
US6204337B1Mar 20, 2001
Solid-phase synthesis of codeine from morphine
UNIV COMMUNITY COLLEGE SYS NEV11 citations70
US5981750ANov 9, 1999
Solid-phase synthesis of codeine from morphine
UNIV COMMUNITY COLLEGE SYS NEV6 citations70