Patent US3567724A successfully refreshed from Google Patents.
US3567724A
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Hexahydro-1,3,5-tris-(4-hydroxyaryl)-s-triazines
Assignee: Goodrich Corp
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Filing: 1968-10-31
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Granted: 1971-03-02
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Expires: 1988-10-31
Abstract
Abstract NOVEL HEXAHYDRO-1,3,5-TRIS-(4-HYDROXYARYL)-S-TRIAZINES HAVE BEEN PREPARED. THESE COMPOUNDS ARE EFFECTIVE STABILIZERS FOR ORGANIC MATERIALS, SUCH AS A-OLEFIN POLYMERS AND COPOLYMERS, ACETAL POLYMERS, POLYAMIDES, POLYESTERS AND POLYURETHANES, AGAINST THE DELETERIOUS EFFECTS OF OXYGEN, HEAT AND LIGHT.
Inventors
- 👤 Warren L Beears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:42
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/30; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/40; C10M2207/402; C10M2207/404; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/222; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |