Patent US3338864A successfully refreshed from Google Patents.
US3338864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardant monoalkenyl benzene polymer compositions containing silane peroxy compounds
Assignee: US Filter Wallace and Tiernan Inc
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Filing: 1965-05-14
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Granted: 1967-08-29
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Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 Orville L Mageli
- 👤 Jr Rupert E Light
- 👤 Ervin J Varnagy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:57
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C08K5/541; C08K5/5415; C08K5/5419; Y; Y10; Y10S; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A FLAME RETARDANT COMPOSITION CONSISTING ESSENTIALLY OF: (A) THERMOPLASTIC MONOALKENYBENZENE POLYMER HAVING 2-4 CARBON ATOMS IN THE ALKENYL GROUP; (B) ORGANIC BROMIDE CONTAINING COMPOUND WHEREIN THE BROMINE IS ATTACHED TO THE ALIPHATIC, CYCLOALIPHATIC OR AROMATIC PORTION OF THE MOLECULE, CAPABLE OF RETARDING THE DEGREE OF FLAMMABILITY OF SAID POLYMER; AND (C) SILANE PEROXY COMPOUND WHERE THE SILICON IS ATTACHED DIRECTLY TO A PEROXY OXYGEN AND SAID LPEROXY COMPOUND HAS A HALF LIFE OF AT LEAST ABOUT 10 HOURS AT 100*C. ILN AN AMOUNT OF ABOUT 0.5-10% BASED ON SAID POLYMER, SAID PEROXY COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF (I)
Claim 2
Dependent Claim
101 words
A FLAME RETARDANT COMPOSITION CONSISTING ESSENTIALLY OF: (A) THERMOPLASTIC MONOALKENYBENZENE POLYMER HAVING 2-4 CARBON ATOMS IN THE ALKENYL GROUP; (B) ORGANIC BROMIDE CONTAINING COMPOUND WHEREIN THE BROMINE IS ATTACHED TO THE ALIPHATIC, CYCLOALIPHATIC OR AROMATIC PORTION OF THE MOLECULE, CAPABLE OF RETARDING THE DEGREE OF FLAMMABILITY OF SAID POLYMER; AND (C) SILANE PEROXY COMPOUND WHERE THE SILICON IS ATTACHED DIRECTLY TO A PEROXY OXYGEN AND SAID LPEROXY COMPOUND HAS A HALF LIFE OF AT LEAST ABOUT 10 HOURS AT 100*C. ILN AN AMOUNT OF ABOUT 0.5-10% BASED ON SAID POLYMER, SAID PEROXY COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF (I)
References Cited (Backward Citations)
SU156673A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |