Inventor
NAKAYA KENGI
JP3 patents
Patents
3 patentsUS6013831AJan 11, 2000
Processes for the production of high-purity dimethyl 2, 6-naphthalenedicarboxylate and naphthalenedicarboxylic acid
MITSUBISHI GAS CHEMICAL CO10 citations71
US6579990B2Jun 17, 2003
Process for producing refined pyromellitic acid and refined pyromellitic anhydride
MITSUBISHI GAS CHEMICAL CO2 citations60
US6063938AMay 16, 2000
Process for producing ε-caprolactone
MITSUBISHI GAS CHEMICAL CO0 citations48