Patent US3158588A successfully refreshed from Google Patents.
US3158588A
Expired / Lapsed
US
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Fire retardant polymer compositions containing a dimer of hexachlorocyclopentadiene
Assignee: Hooker Chemical Corp
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Filing: 1961-01-30
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Granted: 1964-11-24
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Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Arnold N Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0066; C08K5/02; C08K5/04; C08K5/07; C08K5/36; C08K5/41; C08K5/42
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
45 words
A FIRE RETARDANT POLYMER COMPOSITION COMPRISING A POLYMER OF AN ETHYLENICALLY UNSATURATED HYDROCARBON, AND THE DIMER OF HEXACHLOROCYCLOPENTADIENE HAVING THE FORMULA C10CL12 AND HAVING A MELTING RANGE OF 483 TO 487 DEGREES CENTIGRADE IN SUFFICIENT PROPORTION TO IMPROVE THE FIRE RETARDANCY OF THE POLYMER COMPOSITION.
Claim 2
Dependent Claim
45 words
A FIRE RETARDANT POLYMER COMPOSITION COMPRISING A POLYMER OF AN ETHYLENICALLY UNSATURATED HYDROCARBON, AND THE DIMER OF HEXACHLOROCYCLOPENTADIENE HAVING THE FORMULA C10CL12 AND HAVING A MELTING RANGE OF 483 TO 487 DEGREES CENTIGRADE IN SUFFICIENT PROPORTION TO IMPROVE THE FIRE RETARDANCY OF THE POLYMER COMPOSITION.
Claim 3
Dependent Claim
48 words
A FIRE RETARDANT POLYMER COMPOSITION COMPRISING A POLYMER OF AN ETHYLENICALLY UNSATURATED HYDROCARBON, THE DIMER OF HEXACHLOROCYCLOPENTADIENE HAVING THE FORMULA C10CL12 AND HAVING A MELTING RANGE OF 483 TO 487 DEGREES CENTIGRADE IN SUFFICIENT PROPORTION TO IMPROVE THE FIRE RETARDANCY OF THE POLYMER COMPOSITION AND AN ANTIMONY COMPOUND.
Claim 4
Dependent Claim
48 words
A FIRE RETARDANT POLYMER COMPOSITION COMPRISING A POLYMER OF AN ETHYLENICALLY UNSATURATED HYDROCARBON, THE DIMER OF HEXACHLOROCYCLOPENTADIENE HAVING THE FORMULA C10CL12 AND HAVING A MELTING RANGE OF 483 TO 487 DEGREES CENTIGRADE IN SUFFICIENT PROPORTION TO IMPROVE THE FIRE RETARDANCY OF THE POLYMER COMPOSITION AND AN ANTIMONY COMPOUND.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |