US4024257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapidly-soluble sodium dichloroisocyanurate dihydrate tablet
Assignee: Olin Corp
•
Filing: 1975-04-24
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Granted: 1977-05-17
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Expires: 1995-04-24
Abstract
Abstract Process for producing a rapidly-soluble, structurally-strong, storage-stable chlorine releasing tablet by compressing sodium dichloroisocyanurate dihydrate in a structure-forming apparatus with pressures from about 2,000 to about 10,000 p.s.i.
Inventors
- 👤 William H. Kibbel, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:54
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; A; A61; A61K; A61K9/00; A61K9/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
45 words
A rapidly-soluble, structurally-strong, storage-stable compressed tablet consisting essentially of rapidly-soluble chlorine-releasing sodium dichloroisocyanurate dihydrate wherein said tablet has been compressed at pressures from about 2,000 to about 10,000 p.s.i. in the absence of lubricants or stabilizers, and resists deterioration or dimensional change due to moisture.
Claim 2
Dependent Claim
45 words
A rapidly-soluble, structurally-strong, storage-stable compressed tablet consisting essentially of rapidly-soluble chlorine-releasing sodium dichloroisocyanurate dihydrate wherein said tablet has been compressed at pressures from about 2,000 to about 10,000 p.s.i. in the absence of lubricants or stabilizers, and resists deterioration or dimensional change due to moisture.
Claim 3
Dependent Claim
13 words
The tablet of claim 1 having a solubility rate of below 5 minutes.
Claim 4
Dependent Claim
14 words
The tablet of claim 1 having a solubility rate between 0.5 and 3 minutes.
References Cited (Backward Citations)
US3293188A
Cited
US3108969A
Cited
US3120378A
Cited
US3342674A
Cited
US3296069A
Cited
US3488420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |