US3419518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing molding material based on propylene polymers
Assignee: BASF SE
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Filing: 1963-05-31
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Granted: 1968-12-31
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Mahling Dieter
- 👤 Seibt Hubertus
- 👤 Zuern Ludwig
- 👤 Scharf Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:53
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; C; C08; C08K; C08K5/00; C08K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A SELF-EXTINGUISHING THERMOPLASTIC POLYMER COMPOSITION COMPRISING POLYMERS OF ETHYLENICALLY UNSATURATED MONOMERS COMPOSED OF AT LEAST 70 MOL PERCENT PROPYLENE, SAID POLYMERS HAVING A MOLECULAR WEIGHT BETWEEN 100,000 AND 2,000,000 AND CONTAINING (A) FROM 0.2 TO 10% BY WEIGHT OF ANTIMONY TRIOXIDE AND (B) 1 TO 13% BY WEIGHT OF A BROMINATED CYCLOALKANE CONTAINING FROM 6 TO 12 CARBON ATOMS IN THE RING, CONTAINING 45 TO 93% BY WEIGHT OF BROMINE, WITH REFERENCE TO THE WEIGHT OF SAID BROMINATED CYCLOALKANE, AND HAVING A BOILING POINT ABOVE 200* C. AT ATMOSPHERIC PRESSURE, THE COMBINED WEIGHT OF (A) AND (B) AMOUNTING TO 2 TO 15% BY WEIGHT OF SAID COMPOSITION.
Claim 2
Dependent Claim
107 words
A SELF-EXTINGUISHING THERMOPLASTIC POLYMER COMPOSITION COMPRISING POLYMERS OF ETHYLENICALLY UNSATURATED MONOMERS COMPOSED OF AT LEAST 70 MOL PERCENT PROPYLENE, SAID POLYMERS HAVING A MOLECULAR WEIGHT BETWEEN 100,000 AND 2,000,000 AND CONTAINING (A) FROM 0.2 TO 10% BY WEIGHT OF ANTIMONY TRIOXIDE AND (B) 1 TO 13% BY WEIGHT OF A BROMINATED CYCLOALKANE CONTAINING FROM 6 TO 12 CARBON ATOMS IN THE RING, CONTAINING 45 TO 93% BY WEIGHT OF BROMINE, WITH REFERENCE TO THE WEIGHT OF SAID BROMINATED CYCLOALKANE, AND HAVING A BOILING POINT ABOVE 200* C. AT ATMOSPHERIC PRESSURE, THE COMBINED WEIGHT OF (A) AND (B) AMOUNTING TO 2 TO 15% BY WEIGHT OF SAID COMPOSITION.
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |