US2662841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble salts of dithiocarbamic acid made rapidly water dispersible and compositions thereof
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-01-28
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Granted: 1953-12-15
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Expires: 1969-01-28
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Fike
- 👤 Harold E Bruner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:29
CPC Classifications
B; B01; B01J; B01J19/00; C; C07; C07C; C07C333/00; C07C333/14; C07C333/16
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
97 words
THE METHOD OF MAKING A WATER DISPERISBLE CONCENTRATE IN WATER INSOLUBLE SALT OF A DITHIOCARBAMIC ACID WHICH COMPRISES ADMIXING IN AQUEOUS MEDIUM AN IONIZABLE WATER SOLUBLE SALT OF A DITHIOCARBAMIC ACID AND AN IONIZABLE WATER SOLUBLE SALT CONTAINING A CATION WHICH FORMS A WATER INSOLUBLE SALT OF THE DITHIOCARBAMIC ACID IN QUANTITY SUFFICIENT TO PRECIPITATE THE LATTER FROM SOLUTION, FILTERING FROM SOLUTION THE SAID WATER INSOLUBLE SALT AND THEN ADMIXING THE WATER WET FILTER CAKE OF SAID WATER INSOLUBLE SALT WITH A SURFACE ACTIVE AGENT IN SUFFICIENT QUANTITY TO FORM A FREE FLOWING RAPIDLY WATER DISPERSIBLE PASTE.
Claim 2
Independent Claim
97 words
THE METHOD OF MAKING A WATER DISPERISBLE CONCENTRATE IN WATER INSOLUBLE SALT OF A DITHIOCARBAMIC ACID WHICH COMPRISES ADMIXING IN AQUEOUS MEDIUM AN IONIZABLE WATER SOLUBLE SALT OF A DITHIOCARBAMIC ACID AND AN IONIZABLE WATER SOLUBLE SALT CONTAINING A CATION WHICH FORMS A WATER INSOLUBLE SALT OF THE DITHIOCARBAMIC ACID IN QUANTITY SUFFICIENT TO PRECIPITATE THE LATTER FROM SOLUTION, FILTERING FROM SOLUTION THE SAID WATER INSOLUBLE SALT AND THEN ADMIXING THE WATER WET FILTER CAKE OF SAID WATER INSOLUBLE SALT WITH A SURFACE ACTIVE AGENT IN SUFFICIENT QUANTITY TO FORM A FREE FLOWING RAPIDLY WATER DISPERSIBLE PASTE.
Claim 3
Dependent Claim
12 words
A WATER DISPERSIBLE PASTE CONCENTRATE PREPARED BY THE METHOD OF CLAIM 1.
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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |