Patent US1245433A successfully refreshed from Google Patents.
Patent US3031273A successfully refreshed from Google Patents.
US3031273A
Expired / Lapsed
US
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Reactor for polymerizations in viscous media
Assignee: Individual
•
Filing: 1959-03-23
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Granted: 1962-04-24
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Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 George A Latinen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:08
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/112; B01F27/1125; B01F27/60; B01F27/65; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/0009; B01J2219/00094; B01J2219/00162; B01J2219/18; B01J2219/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A REACTOR ADAPTED FOR US IN EXOTHERMIC POLYMERIZATIONS CONTINUOUSLY CARRIED OUT IN VISCOUS REACTAION MEDIA COMPRISING A CYLKINDRICAL CHAMBER FORMED BY A CASING PROVIDED WITH TERMINAL CLOSURES AND HAVING DISIGNATED AN INPUT END AND AN OUTPUT END, MEANS FOR COOLING THE INNER WALLS OF SAID CASING, A ROTATABLE MEMBER POSITIONED ALONG STHE LONGITUDINAL AXIS OF SAID CHAMBER COMPRISING A CENTER SHAFT HAVING A PLURALITY OF RADIALLY PROJECTING UNITERRUPTED PADDLES ESSENTIALLY EXTENDING THE ENTIRE LENGHT OF SAID ASIX, SAID PADDLES HAVING BLADES AT THEIR RADIAL EXTREMITIES, THE OUTER EDGES OF SAID BLADES BEING RECTANGULARY NOTCHED AT INTERVALS AND WHEREIN THE NOTCHES OF THE INDIVIDUAL BLADES ARE OFFSET WITH RESPECT TO THOSE ON THE SEVERAL BLADES, SAID ROTATABLE MEMBER BEING CONNECTED TO A DRIVING MEANS TO PROVIDE ROTATION THEREIN AND CHARGING AND DISCHARGING MEANS PROVIDED RESPECTAIVELY AT SAID INPUT AND OUTPUT ENDS.
Claim 2
Dependent Claim
140 words
A REACTOR ADAPTED FOR US IN EXOTHERMIC POLYMERIZATIONS CONTINUOUSLY CARRIED OUT IN VISCOUS REACTAION MEDIA COMPRISING A CYLKINDRICAL CHAMBER FORMED BY A CASING PROVIDED WITH TERMINAL CLOSURES AND HAVING DISIGNATED AN INPUT END AND AN OUTPUT END, MEANS FOR COOLING THE INNER WALLS OF SAID CASING, A ROTATABLE MEMBER POSITIONED ALONG STHE LONGITUDINAL AXIS OF SAID CHAMBER COMPRISING A CENTER SHAFT HAVING A PLURALITY OF RADIALLY PROJECTING UNITERRUPTED PADDLES ESSENTIALLY EXTENDING THE ENTIRE LENGHT OF SAID ASIX, SAID PADDLES HAVING BLADES AT THEIR RADIAL EXTREMITIES, THE OUTER EDGES OF SAID BLADES BEING RECTANGULARY NOTCHED AT INTERVALS AND WHEREIN THE NOTCHES OF THE INDIVIDUAL BLADES ARE OFFSET WITH RESPECT TO THOSE ON THE SEVERAL BLADES, SAID ROTATABLE MEMBER BEING CONNECTED TO A DRIVING MEANS TO PROVIDE ROTATION THEREIN AND CHARGING AND DISCHARGING MEANS PROVIDED RESPECTAIVELY AT SAID INPUT AND OUTPUT ENDS.
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) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |