Inventor

Masaru Nakao

Inventor

Toyonaka, JP

Overview

1976–1981

Patent span

Chemistry

Primary field (CPC C)

Patents· 19 as inventor

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

C07Dprimary

C07DHeterocyclic compounds61%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%

C07CAcyclic or carbocyclic compounds11%

A61KPreparations for medical, dental or toiletry purposes7%

F28BSteam or vapour condensers4%

PatentTitleYear

4,303,663'Butyrophenone compounds'1981 4,148,796'.gamma.-Piperidinobutyrophenones'1979 4,080,328'N-substituted heterocyclic derivatives and preparation thereof'1978 4,065,565'Acylhydrazones and anti-psychotic compositions thereof'1977 4,039,670'Butyrophenone compounds as psychotropics'1977 4,017,624'N-(.omega.-Amino)alkylaniline derivatives'1977 4,012,514'Aryl ketones and production thereof'1977 4,012,515'Aryl ketones and production thereof'1977 4,010,280'Phenoxyalkylamine derivatives and preparation thereof'1977 4,009,173'Butyrophenone derivatives'1977 4,009,275'Phenoxypropylamine derivatives'1977 4,001,312'Aminoalcohols'1977 3,993,780'Phenoxyethylamine derivatives having central nervous system depressant and anti-hypertensive activity'1976 3,979,390'Butyrophenone derivatives and production thereof'1976 3,965,106'3-Phenoxypropylamine derivatives'1976 3,960,873'1-Phenylthiopropyl-4-hydroxy-4-phenyl piperidines'1976 3,951,986'Novel 2-propanol derivatives and preparation thereof'1976 3,936,468'Phenylbutanol derivatives'1976 3,933,824'Piperazinobutyrophenone derivatives'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to SUMITOMO CHEMICAL CO (19)· patent assignee history

1976–1981Based in Toyonaka, JP· patent location history

1976–1977Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	19	1976–1981

Locations

Location	Patents	Span
Toyonaka, JP	14	1976–1981
Osaka, JP	5	1976–1977