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US2778189A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid hydrocarbon rocket fuel

Assignee: Standard Oil Co
•
Filing: 1951-12-17
•
Granted: 1957-01-22
•
Expires: 1971-12-17
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Abstract

No abstract record available.

Inventors

  • 👤 Don R Carmody
  • 👤 Zletz Alex

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:47
CPC Classifications
C; C10; C10L; C10L1/00; C06; C06B; C06B47/00; C06B47/02; C06B47/04; Y; Y10; Y10S; Y10S149/00; Y10S149/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 198 words
A METHOD OF GENERATING GAS, WHICH METHOD COMPRISES INJECTING SEPARATELY AND ESSENTIALLY SIMULTANEOUSLY INTO THE COMBUSTION CHAMBER OF THE GAS GENERATOR (1) A HYPERGOLIC LIQUID HYDROCARBON FUEL, WHICH FEEL IS DERIVED FROM THE LIQUID PRODUCT OF THE PRYLOYSIS OF A HYDROCARBON SELECTED FROM THE CLASS CONSISTING OF ETHANE, PROPANE, BUTANE, PROPYLENE, BUTYLENE, NAPPTHAS, AND GAS OILS, IN THE VAPOR PHASE AT A TEMPERATURE BETWEEN ABOUT 1250* AND 1800*F., AT A CRACKING ZONE PRESSURE OF NOT MORE THAN 100 P.S.I.A., FOR A CRACKING ZONE RESIDENCE TIME BETWEEN ABOUT 0.05 AND 5 SECONDS, SEPARATING A LIQUID PRODUCT FROM OTHER CRACKING PRODUCTS, DISTILLING SAID LIQUID PRODUCT TO OBTAIN A LIGHT OIL BOILING OVER THE RANGE OF 100* AN 400*F., CHILLING SAID OIL TO A TEMPERATURE OF AT LEAST ABOUT -70* F. FOR A TIME SUFFICIENT TO FORM A SEPARATE SOLID PHASE AND REMOVING SAID PHASE TO OBTAIN SAID LIQUID HYPERGOLIC FUEL, WHICH FUEL IS CHARACTERIZED BY A FREEZING POINT OF AT LEAST ABOUT -70*F., AND (2) A NITRIC ACID OXIDIZER CONTAINING NOT MORE THAN 5 WEIGHT PERCENT OF NON-ACIDIC MATERIALS, IN AN AMOUNT AND AT A RATE SUFFICIENT TO INITIATE A HYPERGOLIC REACTION WITH AND TO SUPPORT COMBUSTION OF THE FUEL.
Claim 2
Independent Claim 198 words
A METHOD OF GENERATING GAS, WHICH METHOD COMPRISES INJECTING SEPARATELY AND ESSENTIALLY SIMULTANEOUSLY INTO THE COMBUSTION CHAMBER OF THE GAS GENERATOR (1) A HYPERGOLIC LIQUID HYDROCARBON FUEL, WHICH FEEL IS DERIVED FROM THE LIQUID PRODUCT OF THE PRYLOYSIS OF A HYDROCARBON SELECTED FROM THE CLASS CONSISTING OF ETHANE, PROPANE, BUTANE, PROPYLENE, BUTYLENE, NAPPTHAS, AND GAS OILS, IN THE VAPOR PHASE AT A TEMPERATURE BETWEEN ABOUT 1250* AND 1800*F., AT A CRACKING ZONE PRESSURE OF NOT MORE THAN 100 P.S.I.A., FOR A CRACKING ZONE RESIDENCE TIME BETWEEN ABOUT 0.05 AND 5 SECONDS, SEPARATING A LIQUID PRODUCT FROM OTHER CRACKING PRODUCTS, DISTILLING SAID LIQUID PRODUCT TO OBTAIN A LIGHT OIL BOILING OVER THE RANGE OF 100* AN 400*F., CHILLING SAID OIL TO A TEMPERATURE OF AT LEAST ABOUT -70* F. FOR A TIME SUFFICIENT TO FORM A SEPARATE SOLID PHASE AND REMOVING SAID PHASE TO OBTAIN SAID LIQUID HYPERGOLIC FUEL, WHICH FUEL IS CHARACTERIZED BY A FREEZING POINT OF AT LEAST ABOUT -70*F., AND (2) A NITRIC ACID OXIDIZER CONTAINING NOT MORE THAN 5 WEIGHT PERCENT OF NON-ACIDIC MATERIALS, IN AN AMOUNT AND AT A RATE SUFFICIENT TO INITIATE A HYPERGOLIC REACTION WITH AND TO SUPPORT COMBUSTION OF THE FUEL.

References Cited (Backward Citations)

US2200463A Cited
US1951780A Cited
US2091375A Cited
US2378067A Cited
US2573471A Cited
US2557018A Cited
US2608527A Cited
US2563305A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-22 1960-07-23 1961-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-22 1964-07-23 1965-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-22 1968-07-23 1969-01-22 $7700.00 Window Closed / Lapsed

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