Inventor
Masamichi Soumai
Inventor
Yokohama, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds75%
C10GCracking hydrocarbon oils25%
PatentTitleYear
4,556,461'Process for separating highly pure butene-1 or butene-1/isobutene mixture from C.sub.4 hydrocarbon fraction'19854,555,312'Process for separating highly pure butene-1 or butene-1/isobutene mixture from C.sub.4 hydrocarbon fraction'19854,515,661'Process for separating highly pure butene-1 and butene-2'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Patents assigned to NIPPON ZEON CO (3)· patent assignee history
1985Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON ZEON CO | 3 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 1985 |