US2686110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor
Assignee: Standard Oil Development Co
•
Filing: 1951-02-15
•
Granted: 1954-08-10
•
Expires: 1971-02-15
Abstract
No abstract record available.
Inventors
- 👤 John A Carver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:38
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/14; C07C2/18; B; B01; B01J; B01J8/00; B01J8/08; B01J8/10; C07C2521/00; C07C2521/06; C07C2521/08; C07C2527/00; C07C2527/14; C07C2527/16; C07C2527/167; C07C2527/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A POLYMERIZATION REACTOR COMPRISING IN COMBINATION A SHELL HAVING MEANS FOR ADDING SOLID CATALYST AND REACTANTS THERETO AND A TOP OUTLET MEANS FOR WITHDRAWING PRODUCTS THEREFROM, AN AGITATOR IN SAID SHELL, A SHROUD SURROUNDING SAID OUTLET AND ROTATING HORIZONTAL BAFFLE POSITIONED BELOW AND COVERING THE MOUTH OF SAID SHROUD FOR PREVENTING THE ENTRAINMENT OF CATALYST WITH SAID PRODUCT.
Claim 2
Dependent Claim
58 words
A POLYMERIZATION REACTOR COMPRISING IN COMBINATION A SHELL HAVING MEANS FOR ADDING SOLID CATALYST AND REACTANTS THERETO AND A TOP OUTLET MEANS FOR WITHDRAWING PRODUCTS THEREFROM, AN AGITATOR IN SAID SHELL, A SHROUD SURROUNDING SAID OUTLET AND ROTATING HORIZONTAL BAFFLE POSITIONED BELOW AND COVERING THE MOUTH OF SAID SHROUD FOR PREVENTING THE ENTRAINMENT OF CATALYST WITH SAID PRODUCT.
References Cited (Backward Citations)
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Cited
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Cited
US1932531A
Cited
US2242979A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |