US3702837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyphenylalkyleneyl isocyanurate synergist combinations
Assignee: Goodrich Corp
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Filing: 1970-12-01
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Granted: 1972-11-14
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Expires: 1990-12-01
Abstract
Abstract NOVEL HYDROXYPHENYLALKYLENEYL ISOCYANURATE SYNERGIST COMBINATIONS HAVE BEEN PREPARED. THESE SYNERGIST COMPOSITIONS EFFECTIVELY STABILIZE A-MONOOLEFIN HOMOPOLYMERS AND COPOLYMERS AGAINST THE DELETERIOUS EFFECTS OF OXYGEN, HEAT AND LIGHT.
Inventors
- 👤 Jack C Gilles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477
Claims Analysis
Total Claims: 0
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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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |