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Patent US3331797A successfully refreshed from Google Patents.
US3331797A
Expired / Lapsed
US
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Flame-resistant polyolefine compositions
Assignee: Huels AG
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Filing: 1964-02-12
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Granted: 1967-07-18
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Kopetz Kurt
- 👤 Baxmann Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:48
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/375; C07; C07C; C07C323/00; C07F; C07F7/00; C07F7/22; C07F7/2224; C08K5/02; C08K5/03; C08K5/372; C08K5/56; C08K5/57; C08K5/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A FLAME RESISTANT POLYOLEFINE COMPOSITION CONSISTING ESSENTIALLY OF A NORMALLY SOLID POLYOLEFINE, FROM 2 TO 10% BY WEIGHT, BASED ON THE WEIGHT OF THE PLYOLEFINE OF A CHLORINATED PARAFFINE, FROM 2 TO 12% BY WEIGHT BASED ON THE WEIGHT OF THE POLYOLEFINE OF ANTIMONY TRIOXIDE AND FROM 5 TO 20% BY WEIGHT BASED ON THE WEIGHT OF THE POLYOLEFINE OF A NUCLEUS BROMINATED AROMATIC COMPOUND CONTAINING AT LEAST THREE BROMINE ATOMS PER MOLECULE BOUND DIRECTLY TO AN AROMATIC NUCLEUS AND CONTAINING FROM 50 TO 85% BY WEIGHT OF HALOGEN OF WHICH FROM 50 TO 85% BY WEIGHT IS BROMINE AND FROM 0 TO 30% BY WEIGHT IS CHLORINE, AT LEAST 50% BY WEIGHT OF THE MOLECULE BEING BROMINE, SAID COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF (1) COMPOUNDS OF THE FORMULAE
Claim 2
Dependent Claim
132 words
A FLAME RESISTANT POLYOLEFINE COMPOSITION CONSISTING ESSENTIALLY OF A NORMALLY SOLID POLYOLEFINE, FROM 2 TO 10% BY WEIGHT, BASED ON THE WEIGHT OF THE PLYOLEFINE OF A CHLORINATED PARAFFINE, FROM 2 TO 12% BY WEIGHT BASED ON THE WEIGHT OF THE POLYOLEFINE OF ANTIMONY TRIOXIDE AND FROM 5 TO 20% BY WEIGHT BASED ON THE WEIGHT OF THE POLYOLEFINE OF A NUCLEUS BROMINATED AROMATIC COMPOUND CONTAINING AT LEAST THREE BROMINE ATOMS PER MOLECULE BOUND DIRECTLY TO AN AROMATIC NUCLEUS AND CONTAINING FROM 50 TO 85% BY WEIGHT OF HALOGEN OF WHICH FROM 50 TO 85% BY WEIGHT IS BROMINE AND FROM 0 TO 30% BY WEIGHT IS CHLORINE, AT LEAST 50% BY WEIGHT OF THE MOLECULE BEING BROMINE, SAID COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF (1) COMPOUNDS OF THE FORMULAE
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |