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Inventor

Sakumi Fujii

Inventor
Shinnanyo, JP

Overview

3→
Patents
1976–1978
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.

C01Bprimary
C01BNon-metallic elements100%
PatentTitleYear
4,104,079'Method of removing scale caused by raffinate in a phosphoric acid purification process'19784,083,937'Process for preparing pure phosphoric acid'19783,978,196'Phosphoric acid purification'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to TOYO SODA MFG CO LTD (3)· patent assignee history
1976–1978Based in Shinnanyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO SODA MFG CO LTD31976–1978
Locations
LocationPatentsSpan
Shinnanyo, JP31976–1978