Inventor
NAGAHASHI BUNEI
3 patents
Patents
3 patentsUS4317907AMar 2, 1982
Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids
TOYAMA CHEMICAL CO LTD25 citations80
US4385178AMay 24, 1983
Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids
TOYAMA CHEMICAL CO LTD6 citations72
US4312986AJan 26, 1982
Process for producing 7-(substituted)amino-3-substituted thiomethyl-Δ3 -cephem-4-carboxylic acids
TOYAMA CHEMICAL CO LTD9 citations72