US3279894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization apparatus
Assignee: Monsanto Co
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Filing: 1964-01-14
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Granted: 1966-10-18
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Expires: 1984-01-14
Abstract
No abstract record available.
Inventors
- 👤 John E Tate
- 👤 Gordon L Whitesell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:33
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/09; B01F27/092; B01F27/11; B01F27/118; B01F27/80; B01F27/96; B01J; B01J19/00; B01J19/18; B01J19/20; B29; B29B; B29B13/00; C; C08; C08G; C08G63/00; C08G63/78; C08G63/785; C08G69/00; C08G69/02; C08G69/04; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00164; B01J2219/00166; B01J2219/18; B01J2219/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
POLYMERIZATION APPARATUS COMPROSONG, IN COMBINATION: A) A HEATING JACKET DEFINING AN ELONGATED GENERALLY HORIZONTAL HEATED REACTION CHAMBER, (B) A CYLINDRICAL MEMBER MOUNTED SUBSTANTIALLY HORIZONTALLY WITHIN SAID CHAMBER, SAID MEMBER HAVING MEAMS DEFINING A PLURALITY OF APPERATURES EXTENDING THROUGH THE PERIPHERY OF SAID MEMBER, SAID APERATURES HAVING A MINIMUM DIMENSION WHICH IS AT LEAST 1/8 INCH AND NO GREATER THAN 2 INCHES, (C) MEANS FOR ROTATING SAID MEMBER ABOUT ITS AXIS, (D) AND MEANS FOR FEEDING POLYMERIABLE MATERIAL AXIALLY THROUGH SAID MEMBER FROM AN INPUT END TO A DISCHARGE END.
Claim 2
Dependent Claim
89 words
POLYMERIZATION APPARATUS COMPROSONG, IN COMBINATION: A) A HEATING JACKET DEFINING AN ELONGATED GENERALLY HORIZONTAL HEATED REACTION CHAMBER, (B) A CYLINDRICAL MEMBER MOUNTED SUBSTANTIALLY HORIZONTALLY WITHIN SAID CHAMBER, SAID MEMBER HAVING MEAMS DEFINING A PLURALITY OF APPERATURES EXTENDING THROUGH THE PERIPHERY OF SAID MEMBER, SAID APERATURES HAVING A MINIMUM DIMENSION WHICH IS AT LEAST 1/8 INCH AND NO GREATER THAN 2 INCHES, (C) MEANS FOR ROTATING SAID MEMBER ABOUT ITS AXIS, (D) AND MEANS FOR FEEDING POLYMERIABLE MATERIAL AXIALLY THROUGH SAID MEMBER FROM AN INPUT END TO A DISCHARGE END.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |