US3312602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of linear aliphatic monoolefins from hydrocarbons by distilling with a nitrile
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-08-29
•
Granted: 1967-04-04
•
Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Mattox William Judson
- 👤 Hamner Glen Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:00
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/04; C07C7/05; C07C7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
THE METHOD OF SEPARATING LINEAR ALIPHATIC MONOOLEFINS FROM MIXTURES THEREOF WITH CLOSE BOILING CORRESPONDING BRANCHED AND CYCLIC MONO-OLEFINS, DIOLEFINS, AND AROMATICS WHICH COMPRISES DISTILLING SAID MIXTURE WITH A NITRILE OF THE GENERAL FORMULA:
Claim 2
Independent Claim
33 words
THE METHOD OF SEPARATING LINEAR ALIPHATIC MONOOLEFINS FROM MIXTURES THEREOF WITH CLOSE BOILING CORRESPONDING BRANCHED AND CYCLIC MONO-OLEFINS, DIOLEFINS, AND AROMATICS WHICH COMPRISES DISTILLING SAID MIXTURE WITH A NITRILE OF THE GENERAL FORMULA:
References Cited (Backward Citations)
GB548733A
Cited
US2679472A
Cited
US2848387A
Cited
US2842484A
Cited
US3008880A
Cited
US3087866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |