Patent US3075944A successfully refreshed from Google Patents.
US3075944A
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Flame retardant compositions containing polyolefines, antimony oxide and ethers having at least three bromine atoms
Assignee: Huels AG
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Filing: 1960-09-07
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Granted: 1963-01-29
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Expires: 1980-09-07
Abstract
No abstract record available.
Inventors
- 👤 Wick Georg
- 👤 Niedenbruck Hans
- 👤 Kopetz Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:39
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; C08K5/03; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A FLAME RETARDANT COMPOSITION COMPRISING A POLYOLEFINE SELECTED FROM THE GROUP CONSISTING OF POLY-ALPHAOLEFINES AND POLYSTYRENE, FROM 5 TO 20% BY WEIGHT BASED UPON THE WEIGHT OF THE POLYOLEFINE OF AN ETHER AND FROM 3 TO 10% BY WEIGHT BASED UPON THE WEIGHT OF THE POLYOLEFINE OF ANTIMONY TRIOXIDE, SAID ETHER BEING A MEMBER OF THE GROUP CONSISTING OF DIAROMATIC AND AROMATIC-ALIPHATIC ETHERS CONTAINING AT LEAST THREE BROMINE ATOMS ATTACHED DIRECTLY TO THE AROMATIC NUCLEUS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
79 words
A FLAME RETARDANT COMPOSITION COMPRISING A POLYOLEFINE SELECTED FROM THE GROUP CONSISTING OF POLY-ALPHAOLEFINES AND POLYSTYRENE, FROM 5 TO 20% BY WEIGHT BASED UPON THE WEIGHT OF THE POLYOLEFINE OF AN ETHER AND FROM 3 TO 10% BY WEIGHT BASED UPON THE WEIGHT OF THE POLYOLEFINE OF ANTIMONY TRIOXIDE, SAID ETHER BEING A MEMBER OF THE GROUP CONSISTING OF DIAROMATIC AND AROMATIC-ALIPHATIC ETHERS CONTAINING AT LEAST THREE BROMINE ATOMS ATTACHED DIRECTLY TO THE AROMATIC NUCLEUS OF THE GENERAL FORMULA
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |