Inventor
YAMACHIKA HIROSHI
13 patents
Patents
13 patentsUS4500721AFeb 19, 1985
Process for producing benzaldehydes
SUMITOMO CHEMICAL CO18 citations81
US4371711AFeb 1, 1983
Process for producing 4-hydroxycyclopentenones
SUMITOMO CHEMICAL CO17 citations81
US4347386AAug 31, 1982
Process for preparing cyclopentenolones
SUMITOMO CHEMICAL CO9 citations73
US4958033ASep 18, 1990
Process for preparing alcohols
SUMITOMO CHEMICAL CO8 citations70
US4172782AOct 30, 1979
Recovery of catalyst
SUMITOMO CHEMICAL CO10 citations69
US5017713AMay 21, 1991
Process for preparing substituted aminoanthraquinones
SUMITOMO CHEMICAL CO5 citations62
US4465862AAug 14, 1984
Cyclopentendione and cyclopentenone
SUMITOMO CHEMICAL CO3 citations62
US4398043AAug 9, 1983
Process for preparing cyclopentenolones
SUMITOMO CHEMICAL CO2 citations61
US4352756AOct 5, 1982
Production of furfuryl alcohols
SUMITOMO CHEMICAL CO3 citations61
US4983758AJan 8, 1991
Process for producing an optically active α-isopropyl-p-chlorophenylacetic acid
SUMITOMO CHEMICAL CO1 citations51
US4510329AApr 9, 1985
Process for preparing cyclopentenolones
SUMITOMO CHEMICAL CO1 citations51
US4356326AOct 26, 1982
Process for producing 3-oxocyclopentenes
SUMITOMO CHEMICAL CO1 citations51
US4049720ASep 20, 1977
Process for producing β-isopropyl-naphthalene hydroperoxide
SUMITOMO CHEMICAL CO1 citations51