US3065270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of dimethylnitrosoamine
Assignee: Olin Corp
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Filing: 1954-10-27
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Granted: 1962-11-20
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Expires: 1974-10-27
Abstract
No abstract record available.
Inventors
- 👤 John F Haller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:16
CPC Classifications
C; C07; C07C; C07C47/00; C07C47/20; C07C47/21; C01; C01B; C01B21/00; C01B21/082; C01B21/087; C07C201/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD FOR THE MANUFACTURE OF A LOWER DIALKYLNITROSOAMINE WHICH COMPRISES REACTING A LOWER DIALKYLAMINE, IN WHICH EACH ALKYL GROUP CONTAINS NOT MORE THAN 5 CARBON ATOMS, NITRIC OXIDE AND OXYGEN IN THE PRESENCE OF AN EXCESS OF DIALKYLAMINE TO PROVIDE ALKALINE CONDITIONS TO PRODUCE A LIQUID MIXTURE OF THE LOWER DIALKYLNITROSOAMINE AND THE CORRESPONDING DIALKYLAMMONIUM NITRITE, SAID NITRIC OXIDE AND OXYGEN BEING REACTED IN A
Claim 2
Independent Claim
66 words
A METHOD FOR THE MANUFACTURE OF A LOWER DIALKYLNITROSOAMINE WHICH COMPRISES REACTING A LOWER DIALKYLAMINE, IN WHICH EACH ALKYL GROUP CONTAINS NOT MORE THAN 5 CARBON ATOMS, NITRIC OXIDE AND OXYGEN IN THE PRESENCE OF AN EXCESS OF DIALKYLAMINE TO PROVIDE ALKALINE CONDITIONS TO PRODUCE A LIQUID MIXTURE OF THE LOWER DIALKYLNITROSOAMINE AND THE CORRESPONDING DIALKYLAMMONIUM NITRITE, SAID NITRIC OXIDE AND OXYGEN BEING REACTED IN A
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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |