Inventor
KATAYAMA SHIGENARI
13 patents
Patents
13 patentsUS4387223AJun 7, 1983
Process for preparing 2(1H)-quinazolinone derivatives
SUMITOMO CHEMICAL CO25 citations81
US3936468AFeb 3, 1976
Phenylbutanol derivatives
SUMITOMO CHEMICAL CO19 citations81
US4202974AMay 13, 1980
Process for preparing 3,4-dihydro-2(1H)-quinazolinone derivatives
SUMITOMO CHEMICAL CO18 citations73
US4148796AApr 10, 1979
γ-Piperidinobutyrophenones
SUMITOMO CHEMICAL CO15 citations73
US4048168ASep 13, 1977
Process for preparing 1-polyhaloalkyl-3,4-dihydro-2-(1H)-quinazolinones
SUMITOMO CHEMICAL CO13 citations73
US3979390ASep 7, 1976
Butyrophenone derivatives and production thereof
SUMITOMO CHEMICAL CO14 citations73
US4012515AMar 15, 1977
Aryl ketones and production thereof
SUMITOMO CHEMICAL CO2 citations62
US4009173AFeb 22, 1977
Butyrophenone derivatives
SUMITOMO CHEMICAL CO4 citations62
US3993780ANov 23, 1976
Phenoxyethylamine derivatives having central nervous system depressant and anti-hypertensive activity
SUMITOMO CHEMICAL CO5 citations62
US4065565ADec 27, 1977
Acylhydrazones and anti-psychotic compositions thereof
SUMITOMO CHEMICAL CO1 citations52
US4012514AMar 15, 1977
Aryl ketones and production thereof
SUMITOMO CHEMICAL CO1 citations51
US4001312AJan 4, 1977
Aminoalcohols
SUMITOMO CHEMICAL CO0 citations51
US3933824AJan 20, 1976
Piperazinobutyrophenone derivatives
SUMITOMO CHEMICAL CO1 citations51