US2789936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gastropodicidal composition and method of using same
Assignee: Pennsylvania Salt Manufacturing Co
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Filing: 1953-12-09
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Granted: 1957-04-23
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Expires: 1973-12-09
Abstract
No abstract record available.
Inventors
- 👤 Davies Richard Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:19
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/28; A61K31/30; A61K33/00; A61K33/24; A61K33/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A CHEMICAL COMPOSITION CONTAINING AN IONIZABLE WATER-SOLUBLE COPPER SALT AND AN ALKALI METAL PENTACHLOROPHENATE IN QUANTITIES TO PRODUCE COPPER AND PENTACHLOROPHENATE IONS IN THE RATIO OF ABOUT 40 TO ABOUT 85 PERCENT BY WEIGHT COPPER IONS TO ABOUT 60 TO ABOUT 15 PERCENT BY WEIGHT PENTACHLOROPHENATE IONS WHEN IONIZED IN AQUEOUS SOLUTION.
Claim 2
Dependent Claim
52 words
A CHEMICAL COMPOSITION CONTAINING AN IONIZABLE WATER-SOLUBLE COPPER SALT AND AN ALKALI METAL PENTACHLOROPHENATE IN QUANTITIES TO PRODUCE COPPER AND PENTACHLOROPHENATE IONS IN THE RATIO OF ABOUT 40 TO ABOUT 85 PERCENT BY WEIGHT COPPER IONS TO ABOUT 60 TO ABOUT 15 PERCENT BY WEIGHT PENTACHLOROPHENATE IONS WHEN IONIZED IN AQUEOUS SOLUTION.
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) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |