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Inventor

Ryozo Yamaguchi

Inventor
Yokohama, JP

Overview

3→
Patents
1978–1979
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.

C07Jprimary
C07JSteroids100%
PatentTitleYear
4,144,254'Process for the purification of steroids'19794,143,040'Process for producing 17-acetals of 3-alkoxyestra-2,5 (10)-dien-17-ones'19794,122,080'Process for producing 17-acetals of 3-alkoxyestra-2,5(10)-dien-17-ones'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1979Patents assigned to MITSUBISHI CHEM IND (3)· patent assignee history
1978–1979Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI CHEM IND31978–1979
Locations
LocationPatentsSpan
Yokohama, JP31978–1979