Patent US3322718A successfully refreshed from Google Patents.
US3322718A
Expired / Lapsed
US
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Polyolefins stabilized with phosphites, phenols, and benzotriazoles
Assignee: Millennium Petrochemicals Inc
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Filing: 1963-08-23
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Granted: 1967-05-30
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Carl N Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472; C08K5/3475; C08K5/04; C08K5/13; C08K5/49; C08K5/51; C08K5/52; C08K5/524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2587616A
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US2995539A
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US2967845A
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US3004896A
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US3149093A
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US2972597A
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US3145111A
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US3244667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |