US2993019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retarded polyethylene
Assignee: Union Carbide Corp
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Filing: 1958-05-21
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Granted: 1961-07-18
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Expires: 1978-05-21
Abstract
No abstract record available.
Inventors
- 👤 John A Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:09
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/02; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L2201/00; C08L2201/02; C08L2203/00; C08L2203/20; C08L2203/202; C08L2205/00; C08L2205/03; C08L23/18; C08L23/20; C08L23/22; C08L53/00; C08L53/02; C08L7/00; C08L91/00; C08L91/06; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A FLAME-RETARDED THERMOPASTIC COMPOSITION COMPRISING POLYETHYLENE HAVING A DENSITY ABOVE ABOUT 0.94 AND A PERCENT DEFORMATION OF LESS THAN 10% AT 115*C., 5 TO 70 PARTS BY WEIGHT OF A HYDROCARBON RUBBER PER 100 PARTS BY WEIGHT OF PLYETHYLENE, AND 17 TO 100 PARTS BY WEIGHT OF A FLAME-RETARDANT MIXTURE COMPRISING A CHLORINATED PARAFFIN WAX AND A METAL OXIDE SELECTED FROM THE CLASS CONSISTING OF ANTIMONY OXIDES, ZINC OXIDE AND ALUMINUM OXIDE PER 100 PARTS BY WEIGHT OF THE POLYETHYLENE AND THE HYDROCARBON RUBBER TAKEN TOGETHER.
Claim 2
Dependent Claim
86 words
A FLAME-RETARDED THERMOPASTIC COMPOSITION COMPRISING POLYETHYLENE HAVING A DENSITY ABOVE ABOUT 0.94 AND A PERCENT DEFORMATION OF LESS THAN 10% AT 115*C., 5 TO 70 PARTS BY WEIGHT OF A HYDROCARBON RUBBER PER 100 PARTS BY WEIGHT OF PLYETHYLENE, AND 17 TO 100 PARTS BY WEIGHT OF A FLAME-RETARDANT MIXTURE COMPRISING A CHLORINATED PARAFFIN WAX AND A METAL OXIDE SELECTED FROM THE CLASS CONSISTING OF ANTIMONY OXIDES, ZINC OXIDE AND ALUMINUM OXIDE PER 100 PARTS BY WEIGHT OF THE POLYETHYLENE AND THE HYDROCARBON RUBBER TAKEN TOGETHER.
References Cited (Backward Citations)
US2830919A
Cited
US2918940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |