Patent US2634238A successfully refreshed from Google Patents.
US2634238A
Expired / Lapsed
US
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Calcium hypochlorite detergent
Assignee: —
•
Filing: —
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Granted: 1953-04-07
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Expires: 1970-04-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:18
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/28; C11D3/00; C11D3/02; C11D3/04; C11D3/046; C11D1/38; C11D1/62; C11D17/00; C11D17/06; C11D3/06; C11D3/10; C11D3/395; C11D3/3956; C11D3/48; C11D7/00; C11D7/02; C11D7/04; C11D7/10; C11D7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A DRY STABLE DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 0.5 TO 8 PARTS BY WEIGHT OF CALCIUM HYPOCHLORITE CONTAINING UPWARDS OF ABOUT 50% AVAILABLE CHLORINE, ABOUT 3 TO 20 PARTS BY WEIGHT OF FINELY DIVIDED SUBSTANTIALLY ANHYDROUS POTASSIUM CARBONATE, ABOUT 5 TO 20 PARTS BY WEIGHT OF A SODIUM POLYPHOSPHATE, AND ABOUT 5 TO 20 PARTS BY WEIGHT OF A SYNTHETIC WATER SOLUBLE ORGANIC DETERGENT SELECTED FROM THE GROUP CONSISTING OF SULFATES, SULFONATES AND QUATERNARY AMMONIUM SALTS WHICH DO NOT PRODUCE AN INSOLUBLE PRECIPITATE IN THE PRESENCE OF CALCIUM IONS.
Claim 2
Dependent Claim
90 words
A DRY STABLE DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 0.5 TO 8 PARTS BY WEIGHT OF CALCIUM HYPOCHLORITE CONTAINING UPWARDS OF ABOUT 50% AVAILABLE CHLORINE, ABOUT 3 TO 20 PARTS BY WEIGHT OF FINELY DIVIDED SUBSTANTIALLY ANHYDROUS POTASSIUM CARBONATE, ABOUT 5 TO 20 PARTS BY WEIGHT OF A SODIUM POLYPHOSPHATE, AND ABOUT 5 TO 20 PARTS BY WEIGHT OF A SYNTHETIC WATER SOLUBLE ORGANIC DETERGENT SELECTED FROM THE GROUP CONSISTING OF SULFATES, SULFONATES AND QUATERNARY AMMONIUM SALTS WHICH DO NOT PRODUCE AN INSOLUBLE PRECIPITATE IN THE PRESENCE OF CALCIUM IONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |