US3293207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of polyaldehydes with trialkyl phosphites
Assignee: Monsanto Co
•
Filing: 1962-09-20
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Granted: 1966-12-20
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Perry Eli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:14
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A THERMALLY-STABILIZED POLYMERIC COMPOSITION COMPRISING A HIGH POLYMER OF AN ALIPHATIC SATURATED ALDEHYDE HAVING FROM 2 TO 10 CARBON ATOMS AND FROM ABOUT 0.01% TO ABOUT 15% BY WEIGHT OF SAID POLYMER OF A TRIALKYL PHOSPHITE IN WHICH THE ALKYL GROUPS CONTAIN FROM 1 TO 20 CARBON ATOMS.
Claim 2
Dependent Claim
48 words
A THERMALLY-STABILIZED POLYMERIC COMPOSITION COMPRISING A HIGH POLYMER OF AN ALIPHATIC SATURATED ALDEHYDE HAVING FROM 2 TO 10 CARBON ATOMS AND FROM ABOUT 0.01% TO ABOUT 15% BY WEIGHT OF SAID POLYMER OF A TRIALKYL PHOSPHITE IN WHICH THE ALKYL GROUPS CONTAIN FROM 1 TO 20 CARBON ATOMS.
References Cited (Backward Citations)
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Cited
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Cited
US3119783A
Cited
US3039993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |