US2766274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic sulfides and their preparation
Assignee: EIDP Inc
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Filing: 1953-03-12
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Granted: 1956-10-09
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Expires: 1973-03-12
Abstract
No abstract record available.
Inventors
- 👤 Albert L Flenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:39
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/26; C; C07; C07C; C07C333/00; C07C333/14; C07C333/30; C07C333/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN ORGANIC SULFIDE OBTAINED BY REACTING A SALT OF ETHYLENE BIS-DITHIOCARBAMIC ACID IN LIQUID SOLUTION AT A TEMPERATURE NOT SUBSTANTIALLY ABOVE ROOM TEMPERATURE WITH A STOICHIOMETRIC AMOUNT OF AN OXIDIZING AGENT WHILE MAINTAINING THE PH OF THE REACTING MASS AT PH 6 TO PH 10 SUBSTANTIALLY THROUGHOUT THE REACTION PERIOD, SAID ORGANIC SULFIDE BEING FURTHER CHARACTERIZED BY HAVING A SULFUR TO NITROGEN ATOMIC RATIO OF ABOUT 3 TO 2 AND BEING INSOLUBLE IN HOT ACETONE.
Claim 2
Dependent Claim
75 words
AN ORGANIC SULFIDE OBTAINED BY REACTING A SALT OF ETHYLENE BIS-DITHIOCARBAMIC ACID IN LIQUID SOLUTION AT A TEMPERATURE NOT SUBSTANTIALLY ABOVE ROOM TEMPERATURE WITH A STOICHIOMETRIC AMOUNT OF AN OXIDIZING AGENT WHILE MAINTAINING THE PH OF THE REACTING MASS AT PH 6 TO PH 10 SUBSTANTIALLY THROUGHOUT THE REACTION PERIOD, SAID ORGANIC SULFIDE BEING FURTHER CHARACTERIZED BY HAVING A SULFUR TO NITROGEN ATOMIC RATIO OF ABOUT 3 TO 2 AND BEING INSOLUBLE IN HOT ACETONE.
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) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |