Patent US2765327A successfully refreshed from Google Patents.
US2765327A
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Process
Assignee: Vanderbilt Chemicals LLC
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Filing: 1952-08-07
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Granted: 1956-10-02
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Expires: 1972-08-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles E Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:27
CPC Classifications
C; C07; C07F; C07F13/00; C07F13/005
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
86 words
A METHOD FOR THE PREPARATION OF MANGANOUS DIMETHYL DITHIOCARBAMATE WHICH COMPRISES REACTING IN AQUEOUS SOLUTION SUBSTANTIALLY EQUIVALENT AMOUNTS OF AN INORGANIC, WATER-SOLUBLE MANGANOUS SALT AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL DIMETHYL DITHIOCARBAMATES AND ALKALINE EARTH METAL DIMETHYL DITHIOCARBAMATES TO PRECIPITATE MANGANOUS DIMETHYL DITHIOCCARBAMATE, WASHING THE PRECIPITATE WITH WATER WITHOUT EXPOSING THE PRECIPITATE TO AIR UNTIL THE PRECIPITATE CONTAINS LESS THAN ABOUT 0.25 PERCENT BY WEIGHT OF WATERSOLUBLE SALTS, BASED UPON THE WEIGHT OF MANGANOUS DIMETHYL DITHIOCARBAMATE, AND THEREAFTER DRYING THE PRECIPITATE.
Claim 2
Independent Claim
86 words
A METHOD FOR THE PREPARATION OF MANGANOUS DIMETHYL DITHIOCARBAMATE WHICH COMPRISES REACTING IN AQUEOUS SOLUTION SUBSTANTIALLY EQUIVALENT AMOUNTS OF AN INORGANIC, WATER-SOLUBLE MANGANOUS SALT AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL DIMETHYL DITHIOCARBAMATES AND ALKALINE EARTH METAL DIMETHYL DITHIOCARBAMATES TO PRECIPITATE MANGANOUS DIMETHYL DITHIOCCARBAMATE, WASHING THE PRECIPITATE WITH WATER WITHOUT EXPOSING THE PRECIPITATE TO AIR UNTIL THE PRECIPITATE CONTAINS LESS THAN ABOUT 0.25 PERCENT BY WEIGHT OF WATERSOLUBLE SALTS, BASED UPON THE WEIGHT OF MANGANOUS DIMETHYL DITHIOCARBAMATE, AND THEREAFTER DRYING THE PRECIPITATE.
Claim 3
Dependent Claim
30 words
THE METHOD OF CLAIM 1 IN WHICH SAID MATERIAL IS AN ALKALI METAL SALT OF A MIXTURE IN THE WEIGHT RATIO OF 91.9:8.1, RESPECTIVELY, OF DIMETHYL DITHIOCARBAMIC ACID. AND 2-MERCAPTOBENZOTHIAZOLE.
References Cited (Backward Citations)
US2286738A
Cited
US2567358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |