Patent US2590211A successfully refreshed from Google Patents.
US2590211A
Expired / Lapsed
US
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Flameproof thermoplastic molding compositions
Assignee: Diamond Shamrock Corp
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Filing: 1947-09-18
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Granted: 1952-03-25
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Expires: 1967-09-18
Abstract
No abstract record available.
Inventors
- 👤 George F Rugar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:16
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/08; C; C08; C08K; C08K13/00; C08K13/02; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/02; C08L; C08L1/00; C08L1/08; C08L1/10; C08L1/14; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A COMPOSTION OF MATTER CONSISTING OF A MOLDABLE THERMOPLASTIC COMPOSITION OF SUBSTANTIAL FLAMEPROOF PROPERTIES, SAID COMPOSITION BEING AN INTIMATE MIXTURE OF AT LEAST 50% OF A THERMOPLASTIC MATERIAL AND AT LEAST 15% OF A FLAMEPROOFING MIXTURE, SAID THERMOPLASTIC MATERIAL AND SAID FLAMEPROOFING MIXTURE BEING SUBSTANTIALLY 100% OF SAID COMPOSITION, SAID FLAMEPROOFING MIXTURE CONSISTING OF A HIGHLY CHLORINATED ORGANIC ALIPHATIC COMPOUND HAVING MORE THAN 3 CARBON ATOMS AND BETWEEN 50% AND 80% OF CHEMICALLY COMBINED CHLORINE, AN INORGANIC FLAME RETARDANT COMPOUND SELECTED FROM THE GROUP CONSISTING OF BISMUTH SULFIDE, ARSENIC SULFIDE, AND MONY OXIDE, BISMUTH OXIDE, ARSENIC SULFIDE, ANDD ANTIMONY SULFIDE, AND A STABILIZER FOR SAID HIGHLY CHLORINATED ORGANIC COMPOSITION, SAID STABILIZER HAVING INAPPRECIABLE VAPOR PRESSURE AT TEMPERATURE OF THE ORDER OF 300-450* F., HAVING A STABILIZING INFLUENCE AT SUCH TEMPERATURES, AND HAVING INAPPRECIABLE STABILIZING INFLUENCE AT FLAME TEMPERATURES.
Claim 2
Dependent Claim
138 words
A COMPOSTION OF MATTER CONSISTING OF A MOLDABLE THERMOPLASTIC COMPOSITION OF SUBSTANTIAL FLAMEPROOF PROPERTIES, SAID COMPOSITION BEING AN INTIMATE MIXTURE OF AT LEAST 50% OF A THERMOPLASTIC MATERIAL AND AT LEAST 15% OF A FLAMEPROOFING MIXTURE, SAID THERMOPLASTIC MATERIAL AND SAID FLAMEPROOFING MIXTURE BEING SUBSTANTIALLY 100% OF SAID COMPOSITION, SAID FLAMEPROOFING MIXTURE CONSISTING OF A HIGHLY CHLORINATED ORGANIC ALIPHATIC COMPOUND HAVING MORE THAN 3 CARBON ATOMS AND BETWEEN 50% AND 80% OF CHEMICALLY COMBINED CHLORINE, AN INORGANIC FLAME RETARDANT COMPOUND SELECTED FROM THE GROUP CONSISTING OF BISMUTH SULFIDE, ARSENIC SULFIDE, AND MONY OXIDE, BISMUTH OXIDE, ARSENIC SULFIDE, ANDD ANTIMONY SULFIDE, AND A STABILIZER FOR SAID HIGHLY CHLORINATED ORGANIC COMPOSITION, SAID STABILIZER HAVING INAPPRECIABLE VAPOR PRESSURE AT TEMPERATURE OF THE ORDER OF 300-450* F., HAVING A STABILIZING INFLUENCE AT SUCH TEMPERATURES, AND HAVING INAPPRECIABLE STABILIZING INFLUENCE AT FLAME TEMPERATURES.
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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) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |