US2894918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Particulate foamable polymer coated with flame retardant material and method of making same
Assignee: Beazer East Inc
•
Filing: 1954-02-17
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Granted: 1959-07-14
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Expires: 1974-02-17
Abstract
No abstract record available.
Inventors
- 👤 John J Killoran
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:05
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/22; C08J9/224; C08K; C08K5/00; C08K5/02; C08K5/03; Y; Y10; Y10S; Y10S521/00; Y10S521/907; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A STORABLE COMPOSITION CAPABLE OF BEING EXPANDED AND CONCOMITANTLY COALESCED TO PRODUCE A FLAME-RETARDANT INTEGRAL POLYMERIC STRUCTURE CHARACTERIZED BY SMALL VOIDS AND A DENSITY OF APPROXIMATELY 2-3 LBS. PER CUBIC FOOT CONSISTING ESSENTIALLY OF AT LEAST 70 PARTS BY WEIGHT OF POLYMER BEADS, SAID POLYMER BEADS BEING A POLYMER OF A HYDROCARBON MONOMER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE, STYRENE, NUCLEAR DIMETHYLSTRYENE, ISOBUTYLENE AND VINYL NAPHTHALENE, HAVIG INTEGRATED THEREWITH FROM 5 TO 30 PARTS OF ALIPHATIC HYDROCARBON BOILING IN THE RANGE OF 30 TO 100*C. PER 100 PARTS POLYMER, CONTAINING A SURFACE COATING OF FROM 10 TO 30 PARTS BY WEIGHT OF A CHLORINATED NON-VOLATIEL HYDROCARBON CONTAINING AT LEAST 65% CHLORINE SELECTED FROM THE GROUP CONSISTING OF CHLORINATED PARAFFINS AND CHLORINATED NAPHTHALENE; AND A MINOR PORTION OF ANTIMONY OXIDE RANGING FROM 2.5 TO 20 PARTS BY WEIGHT.
Claim 2
Dependent Claim
138 words
A STORABLE COMPOSITION CAPABLE OF BEING EXPANDED AND CONCOMITANTLY COALESCED TO PRODUCE A FLAME-RETARDANT INTEGRAL POLYMERIC STRUCTURE CHARACTERIZED BY SMALL VOIDS AND A DENSITY OF APPROXIMATELY 2-3 LBS. PER CUBIC FOOT CONSISTING ESSENTIALLY OF AT LEAST 70 PARTS BY WEIGHT OF POLYMER BEADS, SAID POLYMER BEADS BEING A POLYMER OF A HYDROCARBON MONOMER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE, STYRENE, NUCLEAR DIMETHYLSTRYENE, ISOBUTYLENE AND VINYL NAPHTHALENE, HAVIG INTEGRATED THEREWITH FROM 5 TO 30 PARTS OF ALIPHATIC HYDROCARBON BOILING IN THE RANGE OF 30 TO 100*C. PER 100 PARTS POLYMER, CONTAINING A SURFACE COATING OF FROM 10 TO 30 PARTS BY WEIGHT OF A CHLORINATED NON-VOLATIEL HYDROCARBON CONTAINING AT LEAST 65% CHLORINE SELECTED FROM THE GROUP CONSISTING OF CHLORINATED PARAFFINS AND CHLORINATED NAPHTHALENE; AND A MINOR PORTION OF ANTIMONY OXIDE RANGING FROM 2.5 TO 20 PARTS BY WEIGHT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |