US2927006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin polymerization in a pulsating reactor
Assignee: Sunoco Inc
•
Filing: 1957-05-02
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Granted: 1960-03-01
•
Expires: 1977-05-02
Abstract
No abstract record available.
Inventors
- 👤 Charles H Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:07
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CHEMICAL PROCESSING APPARATUS COMPRISING IN COMBINATION A CLOSED ELONGATED SHELL HAVING AN INLET AND OUTLET ADJACENT THE RESPECTIVE ENDS THEREOF, A VALVED INLET LINE CONNECTING WITH THE INLET, A VALVE OUTLET LINE CONNECTING WITH THE OUTLET, A PLURALITY OF PISTON MEANS ASSOCIATED WITH SAID SHELL, SAID PISTON MEANS BEING ARRANGED IN OVERLAPPING PAIRS ALONG THE LENGTH OF THE SHELL, AND MEANS FOR CO-OPERATIVELY AND SYNCHRONOUSLY RECIPROCATING SAID PISTON MEANS IN A MANNER TO RECIPROCATE ONE OF THE PISTON MEANS OF EACH PAIR 180* OUT OF PHASE WITH THE OTHER PISTON MEANS OF THE PAIR, AND OUT OF PHASE WITH ADJACENT PAIRS OF PISTON MEANS.
Claim 2
Dependent Claim
105 words
A CHEMICAL PROCESSING APPARATUS COMPRISING IN COMBINATION A CLOSED ELONGATED SHELL HAVING AN INLET AND OUTLET ADJACENT THE RESPECTIVE ENDS THEREOF, A VALVED INLET LINE CONNECTING WITH THE INLET, A VALVE OUTLET LINE CONNECTING WITH THE OUTLET, A PLURALITY OF PISTON MEANS ASSOCIATED WITH SAID SHELL, SAID PISTON MEANS BEING ARRANGED IN OVERLAPPING PAIRS ALONG THE LENGTH OF THE SHELL, AND MEANS FOR CO-OPERATIVELY AND SYNCHRONOUSLY RECIPROCATING SAID PISTON MEANS IN A MANNER TO RECIPROCATE ONE OF THE PISTON MEANS OF EACH PAIR 180* OUT OF PHASE WITH THE OTHER PISTON MEANS OF THE PAIR, AND OUT OF PHASE WITH ADJACENT PAIRS OF PISTON MEANS.
References Cited (Backward Citations)
US1634249A
Cited
US1503646A
Cited
US1694589A
Cited
US1780853A
Cited
US2406403A
Cited
US2565960A
Cited
US2814552A
Cited
US2739879A
Cited
US2691647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |