US2576731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a fungicidal preparation utilizing magnesium hydroxide
Assignee: Individual
•
Filing: 1948-11-19
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Granted: 1951-11-27
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Thomsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:28
CPC Classifications
A; A01; A01N; A01N59/00; A01N59/16; A01N59/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF PREPARING A FUNGICIDAL PREPARATION WHICH COMPRISES; COMMINGLING A WATER SUSPENSION OF MAGNESIUM HYDROXIDE WITH A SUFFICIENT AMOUNT OF A SOLUBLE METALLIC SULPHATE SELECTED FROM THE GROUP CONSISTING OF COPPER AND ZINC TO CONVERT LESS THAN ONE-HALF OF THE RESIDENT MAGNESIUM INTO THE SOLUBLE SULPHATE; ADDING A SUFFICIENT AMOUNT OF CALCIUM HYDROXIDE TO PRECIPITATE THE SOLUBLE MAGNESIUM SALT PRODUCED IN THE FORMER REACTION, THE RESIDENT SULPHATE THUS BEING CONVERTED INTO CALCIUM SULPHATE.
Claim 2
Independent Claim
74 words
THE METHOD OF PREPARING A FUNGICIDAL PREPARATION WHICH COMPRISES; COMMINGLING A WATER SUSPENSION OF MAGNESIUM HYDROXIDE WITH A SUFFICIENT AMOUNT OF A SOLUBLE METALLIC SULPHATE SELECTED FROM THE GROUP CONSISTING OF COPPER AND ZINC TO CONVERT LESS THAN ONE-HALF OF THE RESIDENT MAGNESIUM INTO THE SOLUBLE SULPHATE; ADDING A SUFFICIENT AMOUNT OF CALCIUM HYDROXIDE TO PRECIPITATE THE SOLUBLE MAGNESIUM SALT PRODUCED IN THE FORMER REACTION, THE RESIDENT SULPHATE THUS BEING CONVERTED INTO CALCIUM SULPHATE.
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) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |