US3637582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyphenylalkyleneyl isocyanurates
Assignee: Goodrich Corp
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Filing: 1969-12-29
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Granted: 1972-01-25
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Expires: 1989-12-29
Abstract
Abstract NOVEL HYDROXYPHENYLALKYLENEYL ISOCYANURATES HAVE BEEN PREPARED. THESE COMPOUNDS STABILIZE ORGANIC MATERIALS AGAINST THE DELETERIOUS EFFECTS OF OXYGEN, HEAT AND LIGHT. THE STABILITY OF A-MONOOLEFIN HOMOPOLYMERS AND COPOLYMERS IS PARTICULARLY ENHANCED BY INCORPORATING STABILIZING AMOUNTS OF THE HYDROXYBENZYL ISOCYANURATES THEREIN.
Inventors
- 👤 Jack C Gilles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:59
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0042; C11B5/0064; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C09; C09K; C09K15/00; C09K15/04; C09K15/30
Claims Analysis
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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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |