US3671179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bleaching procedure for fiberglass fabrics
Assignee: BI/MS HOLDINGS I Inc A DE CORP
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Filing: 1971-02-16
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Granted: 1972-06-20
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Expires: 1991-02-16
Abstract
Abstract FIBERGLASS FABRICS AND OTHER SILICEOUS FIBER FABRICS IN THE GREIGE CONDITION ARE RENDERED CLEAN AND WHITE PRIOR TO APPLYING DYE OR FINISH BY HEAT-TREATING THE FABRICS AT A TEMPERATURE SUFFICIENT TO SET CRIMP IN THE GLASS YARNS, TO VOLATILIZE VOLATILE COMPONENTS OF THE SIZING ON THE FABRIC AND TO DEXTRINIZE THE STARCHES IN THE SIZING, THEN TREATING THE FABRIC WITH A CONCENTRATED BLEACHING SOLUTION, DRYING AT RELATIVELY HIGH TEMPERATURE, AND WASHING AND RINSING.
Inventors
- 👤 Allen J Jinnette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:28
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/70; C03C25/002; D; D06; D06L; D06L4/00; D06L4/10; D06L4/12; D06L4/20; D06L4/22; D06L4/23
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |