Inventor
SUGAWARA TAKAHIRO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI PETROCHEMICAL CO
11 patentsUS5175352ADec 29, 1992
Process for preparing 2,6-naphthalenedicarboxylic acid
MITSUBISHI PETROCHEMICAL CO8 citations73
US4937392AJun 26, 1990
Process for preparing 4,4'-dihydroxydiphenylmethane
MITSUBISHI PETROCHEMICAL CO7 citations73
US4906791AMar 6, 1990
Process for preparing p-cumylphenol
MITSUBISHI PETROCHEMICAL CO14 citations72
US4568778AFeb 4, 1986
Process for producing tert-amylphenols
MITSUBISHI PETROCHEMICAL CO11 citations72
US5344969ASep 6, 1994
Process for purification of naphthalenedicarboxylic acid
MITSUBISHI PETROCHEMICAL CO18 citations71
US5019656AMay 28, 1991
Process for preparing p-hydroxybenzyl alcohol
MITSUBISHI PETROCHEMICAL CO5 citations62
US4564713AJan 14, 1986
Process for producing 4,4'-dihydroxydiphenyls
MITSUBISHI PETROCHEMICAL CO3 citations62
US5220079AJun 15, 1993
Process for para-methylolating phenol compounds
MITSUBISHI PETROCHEMICAL CO4 citations60
US5196598AMar 23, 1993
Process for producing polyhydroperoxy aromatic compound
MITSUBISHI PETROCHEMICAL CO6 citations60
US5442103AAug 15, 1995
Process for producing 2,6-naphthalenedicarboxylic acid
MITSUBISHI PETROCHEMICAL CO4 citations59
US5091592AFeb 25, 1992
Process for preparing 4,4'-dihydroxybiphenyl
MITSUBISHI PETROCHEMICAL CO0 citations49