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Inventor

Masashi Yabuno

Inventor
Kurashiki, JP

Overview

3→
Patents
1999–2009
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 compounds75%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients25%
PatentTitleYear
7,569,707'Production method of highly pure pyromellitic dianhydride'20096,458,994'Process for producing aromatic polycarboxylic acid'20025,895,820'Process for the production of trimellitic acid and process for the production of trimellitic acid anhydride'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2009Patents assigned to MITSUBISHI GAS CHEMICAL CO (3)· patent assignee history
1999–2002Based in Kurashiki, JP· patent location history
2009Based in Okayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI GAS CHEMICAL CO31999–2009
Locations
LocationPatentsSpan
Kurashiki, JP21999–2002
Okayama, JP12009