US3053640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for high pressure polymerization of polymerizable materials
Assignee: Beazer East Inc
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Filing: 1957-01-08
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Granted: 1962-09-11
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Expires: 1977-01-08
Abstract
No abstract record available.
Inventors
- 👤 John G Kirkpatrick
- 👤 Revell Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:22
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/002; C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN COMBINATION WITH A HIGH PRESSURE POLYMERIZATION REACTOR CHAMBER, SAID CHAMBER, HAVING A POLYMERIZABLE MATERIAL INLET AND A POLYMERIZED MATERIAL OUTLET, A VALVE SYSTEM COMMUNICABLY CONNECTED TO SAID MATERIAL OUTLET COMPRISING A FIRST VALVE MEMBER, A FIRST POWER CONTROL MEANS FOR SAID FIRST VALVE MEMBER, SAID FIRST POWER CONTROL MEANS INCLUDING A TIMING MECHANISM AND BEING COOPERABLE WITH SAID FIRST VALVE MEMBER SO OPEN AND CLOSE SAID FIRST VALVE MEMBER IN TIMED MANNER TO EFFECT A SELECTED POLYMERIZATION CYCLE, SAID CYCLE INCLUDING A PERIOD AT WHICH SAID REACTOR IS MAINTAINED AT A PREDETERMINED HIGH PRESSURE AND A PERIOD AT WHICH SAID REACTOR CHAMBER IS MAINTAINED AT LOW PRESSURE, A SECOND VALVE MEMBER CONNECTED IN PARALLEL WITH SAID FIRST VALVE MEMBER AND BEING OPERATIVE DURING SAID HIGH PRESSURE PERIOD, AND A SECOND POWER CONTROL MEMBER FOR SAID SECOND VALVE MEMBER TO THROTTLE SAID SECOND VALVE MEMBER IN ORDER TO MAINTAIN SAID PRESSURE IN SAID REACTOR CHAMBER STABILIZED AT SAID PRE-DETERMINED HIGH PRESSURE, SAID SECOND POWER CONTROL MEANS BEING INDEPENDENTLY OPERABLE FROM SAID FIRST POWER CONTROL MEANS AND CONNECTED TO SAID REACTOR
Claim 2
Dependent Claim
180 words
IN COMBINATION WITH A HIGH PRESSURE POLYMERIZATION REACTOR CHAMBER, SAID CHAMBER, HAVING A POLYMERIZABLE MATERIAL INLET AND A POLYMERIZED MATERIAL OUTLET, A VALVE SYSTEM COMMUNICABLY CONNECTED TO SAID MATERIAL OUTLET COMPRISING A FIRST VALVE MEMBER, A FIRST POWER CONTROL MEANS FOR SAID FIRST VALVE MEMBER, SAID FIRST POWER CONTROL MEANS INCLUDING A TIMING MECHANISM AND BEING COOPERABLE WITH SAID FIRST VALVE MEMBER SO OPEN AND CLOSE SAID FIRST VALVE MEMBER IN TIMED MANNER TO EFFECT A SELECTED POLYMERIZATION CYCLE, SAID CYCLE INCLUDING A PERIOD AT WHICH SAID REACTOR IS MAINTAINED AT A PREDETERMINED HIGH PRESSURE AND A PERIOD AT WHICH SAID REACTOR CHAMBER IS MAINTAINED AT LOW PRESSURE, A SECOND VALVE MEMBER CONNECTED IN PARALLEL WITH SAID FIRST VALVE MEMBER AND BEING OPERATIVE DURING SAID HIGH PRESSURE PERIOD, AND A SECOND POWER CONTROL MEMBER FOR SAID SECOND VALVE MEMBER TO THROTTLE SAID SECOND VALVE MEMBER IN ORDER TO MAINTAIN SAID PRESSURE IN SAID REACTOR CHAMBER STABILIZED AT SAID PRE-DETERMINED HIGH PRESSURE, SAID SECOND POWER CONTROL MEANS BEING INDEPENDENTLY OPERABLE FROM SAID FIRST POWER CONTROL MEANS AND CONNECTED TO SAID REACTOR
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |