Inventor
NITTA KAZUNARI
JP7 patents
Patents
7 patentsUS5364958ANov 15, 1994
Process for the production of methylene-crosslinked polyphenylene polyisocyanate
MITSUI TOATSU CHEMICALS21 citations89
US4733009AMar 22, 1988
Method for separating glycine and L-serine from a solution containing same
MITSUI TOATSU CHEMICALS8 citations71
US4769474ASep 6, 1988
Process for purifying tryptophane
MITSUI TOATSU CHEMICALS14 citations70
US5179227AJan 12, 1993
Fractionation process of reaction mixture containing methylene bridged polyphenylene polyisocyanate
MITSUI TOATSU CHEMICALS14 citations67
US4418018ANov 29, 1983
Process for the production of 2,3-dichloropropionitrile
MITSUI TOATSU CHEMICALS4 citations56
US4879411ANov 7, 1989
Method for racemization of optically active serine
MITSUI TOATSU CHEMICALS0 citations48
US4733010AMar 22, 1988
Method of separating monohydrate of L-cysteine hydrochloride
MITSUI TOATSU CHEMICALS1 citations44