US3574231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted polyhalopolyhydropoly-cyclicdicarboximides
Assignee: Universal Oil Products Co
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Filing: 1968-09-05
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Granted: 1971-04-06
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Expires: 1988-09-05
Abstract
Abstract NOVEL COMPOSITIONS OF MATTER COMPRISING N-SUBSTITUTED POLYHALOPOLYHYDROPOLYCYCLICDICARBOXIMIDES IN WHICH THE SUBSTITUENT ON THE IMIDE CONTAINS AT LEAST TWO NITROGEN ATOMS AS EXEMPLIFIED BY N-GUANYL-5,6,7,8,9,9-HEXACHLORO1,2,3,4,4A,5,8,8A-OCTAHYDRO-5,8-METHANO-2,3 -NAPHTHALENE-DICARBOXIMIDE ARE USEFUL AS ADDITIVES FOR PLASTICS, POLYMERS, RESINS, ETC. WHEREBY FLAMEPROOF OR FIRE-RETARDANT PROPERTIES ARE ADDED THERETO.
Inventors
- 👤 Alexander Gaydasch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:29
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/56; C07D209/58; C07D209/70; C07D209/72; C07D209/76; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415; C08K5/3417
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |