Patent US3795625A successfully refreshed from Google Patents.
US3795625A
Expired / Lapsed
US
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Bleaching compositions
Assignee: Monsanto Co
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Filing: 1971-06-03
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Granted: 1974-03-05
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Expires: 1991-06-03
Abstract
Abstract BLEACHING COMPOSITIONS, USEFUL FOR BLEACHING TEXTILE FIBERS, WHICH ARE AN ALKALINE AQUEOUS SOLUTION CONTAINING A PEROXY COMPOUND, AN ALKALI METAL SILICATE AND A STABILIZER FOR REDUCING THE DECOMPOSITION OF SAID PEROXY COMPOUND AND WHICH IS, FOR EXAMPLE, A COMBINATION OF NITRILOTRIACETIC ACID, 1 - HYDROXY ETHYLIDENE-1, 1-DIPHOSPHONIC ACID, AND A MAGNESIUM OR CALCIUM SALT.
Inventors
- 👤 X Kowalski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:27
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3937; C11D3/394; D; D06; D06L; D06L4/00; D06L4/10; D06L4/12
Claims Analysis
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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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |