Inventor

Shoji Nagata

Inventor

Toyonaka, JP

Overview

7→

Patents

1981–1987

Patent span

Chemistry

Primary field (CPC C)

Patents· 7 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds38%

C07DHeterocyclic compounds38%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%

C07KPeptides8%

PatentTitleYear

4,695,580'Phenylserine derivatives and processes for preparing the same'1987 4,562,263'Process for producing 3-(3,4-dihydroxyphenyl) serine'1985 4,480,109'Process for producing threo-3-(3,4-dihydroxyphenyl)serine'1984 4,411,836'Racemization of an .alpha.-methyl-.beta.-acylthiopropionic acid'1983 4,325,886'Optical resolution of acylthiopropionic acid'1982 4,319,040'Process for the production of optically active threo-3-(3,4-dihydroxyphenyl)serine'1982 4,297,282'Resolution of mercaptopropionic acids'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1985Patents assigned to SUMITOMO CHEMICAL CO (6)· patent assignee history

1981–1985Based in Toyonaka, JP· patent location history

1987Patents assigned to SUMITOMO PHARMA (1)· patent assignee history

1987Based in Takarazuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	6	1981–1985
SUMITOMO PHARMA	1	1987

Locations

Location	Patents	Span
Toyonaka, JP	6	1981–1985
Takarazuka, JP	1	1987