US2665285A
Expired / Lapsed
US
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Stabilization of derivatives of dithiocarbamic acids
Assignee: EIDP Inc
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Filing: 1951-07-06
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Granted: 1954-01-05
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Expires: 1971-07-06
Abstract
No abstract record available.
Inventors
- 👤 Rayner S Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:01
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/12; A01N47/14; C; C07; C07C; C07C333/00; C07C333/14; C07C333/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS FOR PREPARING A STABILIZED DERIVATIVE OF A DITHIOCARBAMIC ACID SELECTED FROM THE GROUP CONSISTING OF A SALT OF A DIALKYL DITHIOCARBAMIC ACID AND A SALT OF AN ALKYLENE BISDITHIOCARBAMIC ACID, WHICH COMPRISES MIXING SAID DITHIOCARBAMIC ACID DERIVATIVE WITH A MINOR AMOUNT OF AN INORGANIC SULFITE.
Claim 2
Dependent Claim
47 words
A PROCESS FOR PREPARING A STABILIZED DERIVATIVE OF A DITHIOCARBAMIC ACID SELECTED FROM THE GROUP CONSISTING OF A SALT OF A DIALKYL DITHIOCARBAMIC ACID AND A SALT OF AN ALKYLENE BISDITHIOCARBAMIC ACID, WHICH COMPRISES MIXING SAID DITHIOCARBAMIC ACID DERIVATIVE WITH A MINOR AMOUNT OF AN INORGANIC SULFITE.
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |