Patent US2927082A successfully refreshed from Google Patents.
US2927082A
Expired / Lapsed
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Peroxide bleaching compositions and their use
Assignee: EIDP Inc
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Filing: 1956-01-19
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Granted: 1960-03-01
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Expires: 1976-01-19
Abstract
No abstract record available.
Inventors
- 👤 James H Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:37
CPC Classifications
D; D06; D06L; D06L4/00; D06L4/10; D06L4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A BLEACHING COMPOSITION COMPRISING AN AQUEOUS HYDROGEN PEROXIDE SOLUTION HAVING A PH OF 11 TO 14 AND CONTAINING, BASED UPON THE WEIGHT OF SAID SOLUTION, 0.05 TO 2% H2O2 AND A STABILIZER COMBINATION OF (A) 0.03 TO 0.05% OF WATER-SOLUBLE MAGNESIUM SALT AND (B) FROM 1 TO 4 MOLES, PER MOLE OF SAID MAGNESIUM SALT, OF A COMPOUND OF THE GROUP CONSISTING OF GLUCONIC ACID, FLUCONE LACTONE AND THE ALKALI METAL GLUCONATES.
Claim 2
Dependent Claim
72 words
A BLEACHING COMPOSITION COMPRISING AN AQUEOUS HYDROGEN PEROXIDE SOLUTION HAVING A PH OF 11 TO 14 AND CONTAINING, BASED UPON THE WEIGHT OF SAID SOLUTION, 0.05 TO 2% H2O2 AND A STABILIZER COMBINATION OF (A) 0.03 TO 0.05% OF WATER-SOLUBLE MAGNESIUM SALT AND (B) FROM 1 TO 4 MOLES, PER MOLE OF SAID MAGNESIUM SALT, OF A COMPOUND OF THE GROUP CONSISTING OF GLUCONIC ACID, FLUCONE LACTONE AND THE ALKALI METAL GLUCONATES.
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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) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |