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Inventor

Masao Sada

Inventor
Nara, JP

Overview

3→
Patents
1976–1986
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 compounds60%
C02FTreatment of water, waste water, sewage, or sludge20%
C07DHeterocyclic compounds20%
PatentTitleYear
4,618,709'Waste water treatment in the production of methacrylic acid'19864,307,257'Process for production of tertiary butyl alcohol'19813,953,472'Method for separating lactones from a mixture containing lactones'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to TEIJIN LTD (1)· patent assignee history
1976Based in Kobe, JP· patent location history
1981–1986Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history
1981–1986Based in Nara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO21981–1986
TEIJIN LTD11976
Locations
LocationPatentsSpan
Nara, JP21981–1986
Kobe, JP11976