Patent US2779661A successfully refreshed from Google Patents.
US2779661A
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Process for producing hydrazine
Assignee: Solomon R. Guggenheim Museum
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Filing: 1952-10-29
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Granted: 1957-01-29
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Expires: 1972-10-29
Abstract
No abstract record available.
Inventors
- 👤 Robell John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:20
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/082; C01B21/16; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911; Y10S585/913; Y10S585/914; Y10S585/919; Y10S585/92; Y10S585/929; Y10S585/943; Y10S585/949; Y10S585/953; Y10S585/955
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
THE METHOD OF PRODUCING HYDRAZINE WHICH COMPRISES DIRECTING A HEATED BLAST OF GASES INTO A REACTION ZONE AND FORMING IN THE REACTION ZONE A STREAM OF HOT GASES HAVING A TEMPERATURE SUBSTANTIALLY HIGHER THAN THE DECOMPOSITION TEMPERATURE OF HYDRAZINE, SAID HEATED BLAST OF GASES BEING FORMED BY PRE-IGNITION AND BURNING OF A COMBUSTIBLE MIXTURE OF GASES AT A POINT ADJACENT SAID REACTION ZONE, DIRECTING A SEPERATE STREAM OF AMMONIA AT A HIGH VELOCITY INTO CONTACT WITH THE STREAM OF HOT GASES OF COMBUSTION WITHIN THE REACTION ZONE AND FORMING THEREIN A HIGH-TEMPERATURE GASEOUS REACTION PRODUCT COMPORISING: (1) HYDRAZINE RESULTING FROM TRANSFORMATION OF A PORTION OF THE AMMONIA; (2) UNALTERED AMMONIA, AND (3) PRODUCTS OF COMBUSTION RESULTING FROM PRE-IGNITION AND BURNING OF THE COMBUSTIBLE MIXTURE OF GASES, REMOVING THE HIGH-TEMPERATURE GASEOUS REACTION PRODUCT FROM THE HOT REACTION ZONE TO A COOLING ZONE AND
Claim 2
Independent Claim
142 words
THE METHOD OF PRODUCING HYDRAZINE WHICH COMPRISES DIRECTING A HEATED BLAST OF GASES INTO A REACTION ZONE AND FORMING IN THE REACTION ZONE A STREAM OF HOT GASES HAVING A TEMPERATURE SUBSTANTIALLY HIGHER THAN THE DECOMPOSITION TEMPERATURE OF HYDRAZINE, SAID HEATED BLAST OF GASES BEING FORMED BY PRE-IGNITION AND BURNING OF A COMBUSTIBLE MIXTURE OF GASES AT A POINT ADJACENT SAID REACTION ZONE, DIRECTING A SEPERATE STREAM OF AMMONIA AT A HIGH VELOCITY INTO CONTACT WITH THE STREAM OF HOT GASES OF COMBUSTION WITHIN THE REACTION ZONE AND FORMING THEREIN A HIGH-TEMPERATURE GASEOUS REACTION PRODUCT COMPORISING: (1) HYDRAZINE RESULTING FROM TRANSFORMATION OF A PORTION OF THE AMMONIA; (2) UNALTERED AMMONIA, AND (3) PRODUCTS OF COMBUSTION RESULTING FROM PRE-IGNITION AND BURNING OF THE COMBUSTIBLE MIXTURE OF GASES, REMOVING THE HIGH-TEMPERATURE GASEOUS REACTION PRODUCT FROM THE HOT REACTION ZONE TO A COOLING ZONE AND
References Cited (Backward Citations)
US2072375A
Cited
US2596421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |