US2932556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing free-flowing compositions containing an alkali metal monopersulfate and the composition produced thereby
Assignee: EIDP Inc
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Filing: 1956-02-03
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Granted: 1960-04-12
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Expires: 1976-02-03
Abstract
No abstract record available.
Inventors
- 👤 Stephen E Stephanou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:01
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/055; C01B15/06; C01B15/08; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE METHOD OF IMPARTING FREE-FLOWING CHARACTERISTICS TO A SOLID COMPOSITION CONTAINING AN ALKALI METAL MONOPERSULFATE IN AN AMOUNT EQUIVALENT TO AT LEAST 1% ACTIVE OXYGEN, BASED UPON THE WEIGHT OF SAID COMPOSITION, COMPRISING INCORPORATING IN SAID COMPOSITION, IN AN AMOUNT EFFECTIVE TO INHIBIT CAKING OF SAID COMPOSITION BUT NOT EXCEEDING 10% OF THE WEIGHT OF SAID COMPOSITION, AN ANTICAKING AGENT FROM THE GROUP CONSISTING OF THE OXIDE, THE HYDROXIDE AND THE CARBONATE OF MAGNESIUM AND THE MAGNESIUM AND SODIUM SALTS OF STEARIC ACID, OLEIC ACID, ADIPIC ACID AND SEBACIC ACID.
Claim 2
Independent Claim
90 words
THE METHOD OF IMPARTING FREE-FLOWING CHARACTERISTICS TO A SOLID COMPOSITION CONTAINING AN ALKALI METAL MONOPERSULFATE IN AN AMOUNT EQUIVALENT TO AT LEAST 1% ACTIVE OXYGEN, BASED UPON THE WEIGHT OF SAID COMPOSITION, COMPRISING INCORPORATING IN SAID COMPOSITION, IN AN AMOUNT EFFECTIVE TO INHIBIT CAKING OF SAID COMPOSITION BUT NOT EXCEEDING 10% OF THE WEIGHT OF SAID COMPOSITION, AN ANTICAKING AGENT FROM THE GROUP CONSISTING OF THE OXIDE, THE HYDROXIDE AND THE CARBONATE OF MAGNESIUM AND THE MAGNESIUM AND SODIUM SALTS OF STEARIC ACID, OLEIC ACID, ADIPIC ACID AND SEBACIC ACID.
References Cited (Backward Citations)
US1631903A
Cited
US2141189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |