US3264257A
Expired / Lapsed
US
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Poly-alpha-olefin compositions containing organophosphorus compounds as stabilizers
Assignee: Stauffer Chemical Co
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Filing: 1963-07-10
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Granted: 1966-08-02
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Expires: 1983-07-10
Abstract
No abstract record available.
Inventors
- 👤 Silvio L Giolito
- 👤 Herbstman Sheldon
- 👤 Adam F Kopacki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:29
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5313; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/32; C07F9/3258; C07F9/3294; C08K5/5398
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A STABILIZED POLY-A-OLEFIN COMPOSITION COMPRISING A SOLID POLY-A-OLEFIN FORMED FROM AN A-MONOOLEFINIC ALIPHATIC HYDROCARBON HAVING FROM 2 TO 10 CARBON ATOMS AND AS A STABILIZER THEREFOR A STABILIZING QUANTITY OF AN ORGANIC PHOSPHORUS COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
37 words
A STABILIZED POLY-A-OLEFIN COMPOSITION COMPRISING A SOLID POLY-A-OLEFIN FORMED FROM AN A-MONOOLEFINIC ALIPHATIC HYDROCARBON HAVING FROM 2 TO 10 CARBON ATOMS AND AS A STABILIZER THEREFOR A STABILIZING QUANTITY OF AN ORGANIC PHOSPHORUS COMPOUND OF THE FORMULA:
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |