LexDanaLexDanabeta
Inventor

Masanori Yokokawa

Inventor
Fujisawa, JP

Overview

2→
Patents
1976–1979
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds100%
PatentTitleYear
4,166,898'Process for producing copolymer having carbonate linkages'19793,953,383'Catalytic process for copolymerizing epoxy compounds with carbon dioxide'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1979Patents assigned to NIPPON OIL SEAL IND CO LTD (2)· patent assignee history
1976–1979Based in Fujisawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON OIL SEAL IND CO LTD21976–1979
Locations
LocationPatentsSpan
Fujisawa, JP21976–1979