US3231464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fungicidal, color-stable cupric hydroxide
Assignee: Rohm and Haas Co
•
Filing: 1962-03-13
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Granted: 1966-01-25
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Expires: 1982-03-13
Abstract
No abstract record available.
Inventors
- 👤 Dettwiler Erich
- 👤 Filliettaz Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:45
CPC Classifications
C; C01; C01G; C01G3/00; C01G3/02; A; A01; A01N; A01N59/00; A01N59/16; A01N59/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR PREPARING A COLOR-STABLE FUNGICIDAL PRODUCT WHICH COMPRISES REACTING BY MIXING (1) AN AQUEOUS SOLUTION CONTAINING A WATER-SOLUBLE CUPRIC SALT AND A WATER-SOLUBLE SALT OF MAGNESIUM WHEREIN THE MOLE RATIO OF SAID CUPRIC SALT TO SAID MAGNESIUM SALT IS ABOUT 8 TO 1 AND (2) A MOLAR EXCESS OF ALKALI METAL HYDROXIDE WHEREIN THE MOLE RATIO IS AT LEAST 22.4 TO 1 WITH RESPECT TO SAID MAGNESIUM SALT REACTANT, WHEREBY A PRECIPITATE OF BOTH COPPER AND MAGNESIUM HYDROXIDES FORMS, SEPARATING SAID PRECIPITATE, AND WASHING IT WITH WATER.
Claim 2
Dependent Claim
89 words
A PROCESS FOR PREPARING A COLOR-STABLE FUNGICIDAL PRODUCT WHICH COMPRISES REACTING BY MIXING (1) AN AQUEOUS SOLUTION CONTAINING A WATER-SOLUBLE CUPRIC SALT AND A WATER-SOLUBLE SALT OF MAGNESIUM WHEREIN THE MOLE RATIO OF SAID CUPRIC SALT TO SAID MAGNESIUM SALT IS ABOUT 8 TO 1 AND (2) A MOLAR EXCESS OF ALKALI METAL HYDROXIDE WHEREIN THE MOLE RATIO IS AT LEAST 22.4 TO 1 WITH RESPECT TO SAID MAGNESIUM SALT REACTANT, WHEREBY A PRECIPITATE OF BOTH COPPER AND MAGNESIUM HYDROXIDES FORMS, SEPARATING SAID PRECIPITATE, AND WASHING IT WITH WATER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |