Inventor
TATSUKAWA KEIZO
4 patents
Patents
4 patentsUS3936469AFeb 3, 1976
Process for preparing N-carboxylic anhydrides of amino acids
KYOWA HAKKO KOGYO KK5 citations60
US3945952AMar 23, 1976
Novel resinous material by reaction of epoxy compounds and polyglutamic acid salts
KYOWA HAKKO KOGYO KK3 citations58
US3932359AJan 13, 1976
Polyurethanes based on amino-acids or derivatives thereof
KYOWA HAKKO KOGYO KK4 citations54
US4039710AAug 2, 1977
Novel resinous material
KYOWA HAKKO KOGYO KK1 citations47