US3793216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calcium hypochlorite composition
Assignee: POOL CHEM Inc
•
Filing: 1971-12-06
•
Granted: 1974-02-19
•
Expires: 1991-12-06
Abstract
Abstract A calcium hypochlorite composition, containing at least about 55 percent Ca(OCl)2 and which is resistant to exothermic, selfpropagating decomposition, consists essentially of calcium hypochlorite uniformly mixed with water-soluble, hydrated inorganic salt in an amount sufficient to provide a water content in the total mixture in the range of about 3 percent to about 13 percent.
Inventors
- 👤 G Dychdala
- 👤 R Custer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:14
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/50; C02F2103/00; C02F2103/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A composition in accordance with claim 1 which contains about 60 to 70 percent Ca(OCl)2.
Claim 2
Dependent Claim
28 words
A composition in accordance with claim 1 in which the hydrated inorganic salt supplies from about 5 to 10 percent water, based on the weight of the mixture.
References Cited (Backward Citations)
US2901435A
Cited
US2963440A
Cited
US2977314A
Cited
US3560396A
Cited
US3544267A
Cited
US3669894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |