US2760947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing alkenyl polymer compositions containing bromochloro compounds
Assignee: Dow Chemical Co
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Filing: 1953-02-24
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Granted: 1956-08-28
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Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Werkema
- 👤 John W Thorsberg
- 👤 Long Chancey E De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:07
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; Y; Y10; Y10S; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A FIRE AND FLAME RETARDANT PERMANENTLY THERMOPLASTIC COMPOSITION CONSISTING ESSENTIALLY OF AN ALKENYL AROMATIC POLYMER MADE ONLY FROM MONOETHYLENICALLY UNSATURATED MONOMERIC MATERIAL, AND A RELATIVELY SMALL AMOUNT OF A NON-FLAMMABLE LOWER ALIPHATIC POLYHALOGENATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF DIBROMO DICHLOROMETHANE, 1,2-DIBROMO-1,1-DICHLOROETHANE, AND 1,2-DIBROMO- 1,1,2,2-TETRACHLOROETHANE.
Claim 2
Dependent Claim
46 words
A FIRE AND FLAME RETARDANT PERMANENTLY THERMOPLASTIC COMPOSITION CONSISTING ESSENTIALLY OF AN ALKENYL AROMATIC POLYMER MADE ONLY FROM MONOETHYLENICALLY UNSATURATED MONOMERIC MATERIAL, AND A RELATIVELY SMALL AMOUNT OF A NON-FLAMMABLE LOWER ALIPHATIC POLYHALOGENATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF DIBROMO DICHLOROMETHANE, 1,2-DIBROMO-1,1-DICHLOROETHANE, AND 1,2-DIBROMO- 1,1,2,2-TETRACHLOROETHANE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |