US3740188A
Expired / Lapsed
US
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Simultaneous desize-scour-bleach with activated hydrogen peroxide
Assignee: FMC Corp
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Filing: 1971-08-02
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Granted: 1973-06-19
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Expires: 1991-08-02
Abstract
Abstract THIS INVENTION PROVIDES A COMBINATION DESIZING, SCOURING AND BLEACHING PROCESS FOR GREIGE TEXTILES EMPLOYING AN AQUEOUS ALKALINE HYDROGEN PEROXIDE CONTAINING A DIPERSULFATE, A PERTROLEUM DISTILLATE FRACTION SOLVENT, A STABILIZER AND A SURFACANT.
Inventors
- 👤 L Sitver
- 👤 R Yelin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:24
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/12; D06L1/14; D06L1/02; D06L1/06; D06L4/00; D06L4/10; D06L4/13; D06L4/17
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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |