Patent US2680066A successfully refreshed from Google Patents.
US2680066A
Expired / Lapsed
US
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Process of stabilizing hydrazine and hydrazine hydrate and mixtures of either of them with alcohols or water
Assignee: United States Department of the Army
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Filing: 1949-10-20
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Granted: 1954-06-01
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Expires: 1969-10-20
Abstract
No abstract record available.
Inventors
- 👤 Josef M Michel
- 👤 Karl F Hager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:08
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/082; C01B21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE PROCESS OF STABILIZING AGAINST CONTACT WITH IRON A MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE, HYDRAZINE HYDRATE AND MIXTURES THEREOF WITH A LIQUID MEDIUM SELECTED FROM THE GROUP CONSISTING OF WATER AND ALCOHOL WHICH COMPRISES ACCOMPLISHING SAID CONTACT IN THE PRESENCE OF A SMALL BUT EFFECTIVE AMOUNT OF A STABILIZING AGENT OF THE FORMULA
Claim 2
Dependent Claim
56 words
THE PROCESS OF STABILIZING AGAINST CONTACT WITH IRON A MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE, HYDRAZINE HYDRATE AND MIXTURES THEREOF WITH A LIQUID MEDIUM SELECTED FROM THE GROUP CONSISTING OF WATER AND ALCOHOL WHICH COMPRISES ACCOMPLISHING SAID CONTACT IN THE PRESENCE OF A SMALL BUT EFFECTIVE AMOUNT OF A STABILIZING AGENT OF THE FORMULA
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) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |