Patent BE875433A successfully refreshed from Google Patents.
BE875433A
Expired / Lapsed
BE
⏱️ 0.0 years remaining
PROCESS FOR SEPARATION AND RECOVERY OF ISOBUTENE AND PRODUCT THUS OBTAINED
Assignee: Nippon Oil Co Ltd
•
Filing: 1979-04-09
•
Granted: —
•
Expires: 1999-04-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
BE
Data Source
google_patents
Last Synchronized
2026-11-05 06:21
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/03; C07C29/04; C07C7/00; C07C7/148; C07C7/14858; C07C7/14866
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.