US3758335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rendering hydrophobic fibers fire retardant and dye receptive
Assignee: Dow Chemical Co
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Filing: 1971-07-26
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Granted: 1973-09-11
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Expires: 1991-07-26
Abstract
Abstract POLYESTER, CELLULOSE TRIACETATE, AND POLYAMIDE FIBERS ARE MADE FIRE-RETARDANT BY C ONTACTING WITH AN AQUEOUS DISPERSION OF 2-(2,4,6-TRIBROMOPHENOXY)ETHANOL. THIS COMPOUND ALSO FUNCTIONS AS A DYE ASSISTANT FOR POLYESTER AND CELLULOSE TRIACETATE AND CAN BE USED IN AN AQUEOUS DYEBATH TO SERVE BOTH PURPOSES FOR THOSE FIBERS. THE TREATED FIBERS ARE RESISTANT TO LOSS OF T HE BROMINATED COMPOUND DURING LAUNDERING AND DRY CLEANING PROCESSES.
Inventors
- 👤 S Bergman
- 👤 R Pews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:48
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/152; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/651; D06P1/65106; D06P1/65131; D06P3/00; D06P3/34; D06P3/36; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10S8/00; Y10S8/92; Y10S8/921; Y10S8/922; Y10S8/924; Y10S8/929
Claims Analysis
Total Claims: 0
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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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |