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US3558497A
Expired / Lapsed
US
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Laundry detergent compositions containing a perborate and a peroxymonopersulfate
Assignee: EIDP Inc
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Filing: 1967-08-03
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Granted: 1971-01-26
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Expires: 1987-08-03
Abstract
Abstract SOLID LAUNDRY DETERGENT COMPOSITIONS CONTAINING AN ANIONIC OR NON-IONIC DETERGENT; AN ALKALINE BUILDER, PREFERABLY A PHOSPHATE SUCH AS SODIUM TRIPOLYPHOSPHATE OR TETRASODIUM PYROPHOSPHATE; AND 1.5 TO 30 WEIGHT PERCENT OF A MIXTURE OF SODIUM PERBORATE AND A WATER-SOLUBLE PEROXYMONOSULFATE, IN WHICH MIXTURE THE WEIGHT RATIO OF PEROXYMONOSULFATE ACTIVE OXYGEN:PERBORATE ACTIVE OXYGEN IS FROM 1:8 TO 1:1.
Inventors
- 👤 Bernard C Lawes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:05
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3942
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |