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Inventor

Koji Kawabata

Inventor
Shinnanyo, JP

Overview

2→
Patents
1988–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
C07DHeterocyclic compounds33%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
PatentTitleYear
4,940,802'4,4\'-bis(phthalimido)diphenyl sulfone compounds, processes for their production and flame retardant polymer compositions containing them'19904,760,211'Process for producing brominated acenaphthylene and its condensates'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to TOYO SODA MFG CO LTD (1)· patent assignee history
1988Based in Yamaguchi, JP· patent location history
1990Patents assigned to TOSOH CORP (1)· patent assignee history
1990Based in Shinnanyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSOH CORP11990
TOYO SODA MFG CO LTD11988
Locations
LocationPatentsSpan
Shinnanyo, JP11990
Yamaguchi, JP11988