US2862982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of alkali metals from viscous hydrocarbon liquids
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-12-10
•
Granted: 1958-12-02
•
Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Cull Neville Leverne
- 👤 Metzweiller Joseph Kern
- 👤 Segura Marnell Albin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:36
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C08; C08C; C08C2/00; C08C2/02; C08C2/04; C10; C10G; C10G25/00; C10G25/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCESS FOR REMOVING ALKALI METAL FROM A LIQUID OILY HYDROCARBON POLYMER CONTAINING IT IN SUSPENSION WHICH COMPRISES INTIMATELY CONTACTING SAID HYDROCARBON WITH AN ACID CLAY CONTAINING 1-25% BY WEIGHT OF BOUND WATER.
Claim 2
Dependent Claim
33 words
A PROCESS FOR REMOVING ALKALI METAL FROM A LIQUID OILY HYDROCARBON POLYMER CONTAINING IT IN SUSPENSION WHICH COMPRISES INTIMATELY CONTACTING SAID HYDROCARBON WITH AN ACID CLAY CONTAINING 1-25% BY WEIGHT OF BOUND WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |