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Inventor

Shigenari Katayama

Inventor
Takarazuka, JP

Overview

13→
Patents
1976–1983
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary
C07DHeterocyclic compounds58%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations21%
C07CAcyclic or carbocyclic compounds11%
A61KPreparations for medical, dental or toiletry purposes5%
F28BSteam or vapour condensers5%
PatentTitleYear
4,387,223'Process for preparing 2(1H)-quinazolinone derivatives'19834,202,974'Process for preparing 3,4-dihydro-2(1H)-quinazolinone derivatives'19804,148,796'.gamma.-Piperidinobutyrophenones'19794,065,565'Acylhydrazones and anti-psychotic compositions thereof'19774,048,168'Process for preparing 1-polyhaloalkyl-3,4-dihydro-2-(1H)-quinazolinones'19774,012,515'Aryl ketones and production thereof'19774,012,514'Aryl ketones and production thereof'19774,009,173'Butyrophenone derivatives'19774,001,312'Aminoalcohols'19773,993,780'Phenoxyethylamine derivatives having central nervous system depressant and anti-hypertensive activity'19763,979,390'Butyrophenone derivatives and production thereof'19763,936,468'Phenylbutanol derivatives'19763,933,824'Piperazinobutyrophenone derivatives'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to SUMITOMO CHEMICAL CO (13)· patent assignee history
1976–1983Based in Takarazuka, JP· patent location history
1980Based in Takarazauka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO131976–1983
Locations
LocationPatentsSpan
Takarazuka, JP121976–1983
Takarazauka, JP11980