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Inventor

Mutsuo Matsumura

Inventor
Osaka, JP

Overview

3→
Patents
1978–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds100%
PatentTitleYear
5,922,912'Concentration method of aqueous acrylamide solution'19995,633,408'Process for preparing alkanolamines'19974,108,893'Purification of an aqueous solution of acrylamide'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1997Patents assigned to MITSUI TOATSU CHEMICALS (2)· patent assignee history
1978Based in Takaishi, JP· patent location history
1997–1999Based in Osaka, JP· patent location history
1999Patents assigned to MITSUI CHEMICALS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI TOATSU CHEMICALS21978–1997
MITSUI CHEMICALS INC11999
Locations
LocationPatentsSpan
Osaka, JP21997–1999
Takaishi, JP11978