Patent US3275809A successfully refreshed from Google Patents.
US3275809A
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Measurement and control of polymerization reactions
Assignee: Phillips Petroleum Co
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Filing: 1963-03-04
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Granted: 1966-09-27
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Ernest D Tolin
- 👤 Dale A Fluegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:32
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/58; B; B01; B01J; B01J19/00; B01J19/0006; C; C08; C08F; C08F10/00; G06G7/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A POLYMERIZATION PROCESS WHEREIN THE MATERIAL TO BE POLYMERIZED AND A CATALYST ARE DIRECTED TO A POLYMERIZATION ZONE AND THE RESULTING PRODUCTS ARE REMOVED FROM THE ZONE, A CONTROL SYSTEM COMPRISING MEANS TO MEASURE THE HEAT SUPPLIED TO SAID ZONE, MEANS TO MEASURE THE HEAT REMOVED FROM SAID ZONE, MEANS TO MEASURE THE DIFFERENCE BETWEEN THE HEAT SUPPLIED AND THE HEAT REMOVED, MEANS RESPONSIVE TO SAID MEANS TO MEASURE THE
Claim 2
Dependent Claim
71 words
IN A POLYMERIZATION PROCESS WHEREIN THE MATERIAL TO BE POLYMERIZED AND A CATALYST ARE DIRECTED TO A POLYMERIZATION ZONE AND THE RESULTING PRODUCTS ARE REMOVED FROM THE ZONE, A CONTROL SYSTEM COMPRISING MEANS TO MEASURE THE HEAT SUPPLIED TO SAID ZONE, MEANS TO MEASURE THE HEAT REMOVED FROM SAID ZONE, MEANS TO MEASURE THE DIFFERENCE BETWEEN THE HEAT SUPPLIED AND THE HEAT REMOVED, MEANS RESPONSIVE TO SAID MEANS TO MEASURE THE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |