Patent US3595603A successfully refreshed from Google Patents.
US3595603A
Expired / Lapsed
US
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Process for the simultaneous desizing,scouring and bleaching of fabrics
Assignee: CERANA SpA ROBERTO
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Filing: 1968-02-12
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Granted: 1971-07-27
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Expires: 1988-02-12
Abstract
Abstract IN A METHOD FOR SIMULTANEOUSLY DESIZING, SCOURING AND BLEACHING FABRICS CONTAINING COTTON FIBERS OF THE KIND WHEREIN THE FABRIC IS FIRST IMPREGNATED AT ROOM TEMPERATURE WITH AN AQUEOUS HYDROGEN PEROXIDE CONTAINING SOLUTION AND IS SUBSEQUENTLY TREATED WITH SATURATED STEAM, WITH HOT WATER AND WITH A MIXTURE OF HOT WATER AND STEAM, THE INVENTION PROPORSES THAT THE AQUEOUS SOLUTON CONTAIN 2.5 TO 8.5% BY WEIGHT OF HYDROGEN PEROXIDE, AS 35% AQUEOUS SOLUTION, AND 0.2 TO 5% BY WEIGHT OF CAUSTIC SODA OF 36*B''E.
Inventors
- 👤 Giuseppe Cerana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:15
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/12; D06L1/18; D06L1/14; D06L4/00; D06L4/10; D06L4/70
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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |