US3729434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing fire retardant emulsions
Assignee: Great Lakes Chemical Corp
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Filing: 1971-06-28
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Granted: 1973-04-24
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Expires: 1991-06-28
Abstract
Abstract THERE IS DISCLOSED A METHOD OF MAKING A FIRE RETARDANT AQUEOUS EMULSION FOR TREATING FLAMMABLE MATERIALS SUCH AS COTTON AND SYNTHETIC FABRICS. THE AQUEOUS EMULSION IS DERIVED FROM A STABLE CONCENTRATE COMPRISING A PHOSPHATE ESTER OF HALOALKANOLS DISSOLVED IN AN ORGANIC SOLVENT AND AN EMULSIFIER SELECTED FROM A NUMBER OF OIL SOLUBLE METAL SULFONATES BLENDED WITH POLYOXYETHYLENE ETHER, SAID SOLVENT HAVING A FLASH POINT OF ABOUT 80* F. AND A BOILING POINT RANGE OF FROM 300* TO 350* F.
Inventors
- 👤 J Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:04
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |