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US3369943A Expired / Lapsed US ⏱️ 0.0 years remaining

Gelled solid rocket propellant reinforced with unoriented microfibers

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-12-28
•
Granted: 1968-02-20
•
Expires: 1979-12-28
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Abstract

No abstract record available.

Inventors

  • 👤 John P Longwell
  • 👤 Bieber Herman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:18
CPC Classifications
C; C06; C06B; C06B43/00; C06B23/00; C06B23/001; C06B25/00; C06B25/36; C06B45/00; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114; Y10S149/118

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 159 words
A ROCKET PROPELLANT HAVING A TENSILE STRENGTH ABOVE 50 P.S.I. WHICH COMPRISES A FELTED NETWORK OF UNORIENTED FIBERS HAVING A DIAMETER OF ABOUT 0.1 TO 100 MICRONS IMBEDDED IN A THICKENED LIQUID OXIDIZING AGENT WHICH IS ABOUT 60 TO 90 WT. PERCENT OF THE PROPELLANT AND IS SELECTED FROM THE GROUP CONSISTING OF TETRANITROMETHANE AND A POLYDIFLUORAMINO ORGANIC COMPOUND CONTAINING AN NF2 GROUP LINKED TO EACH CARBON ATOM, MIXED WITH ABOUT 10 TO 30 WT. PERCENT OF FINELY-DIVIDED SOLID FUEL FROM THE GROUP CONSISTING OF BERYLLIUM, BORON, ALUMINUM AND MAGNESIUM, SAID LIQUID OXIDIZING AGENT BEING THICKENED INTO A GEL BY A THICKENING AENT WHICH IS 1 TO 5 WT. PERCENT OF THE PROPELLANT, SAID IMBEDDED FIBERS HAVING A TENSILE STRENGTH OF ABOVE STRENGTH OF ABOVE 50 P.S.I. AND BEING PRESENT IN A PROPORTION OF ABOUT 1 TO 30 WT. PERCENT INCLUDING SAID FUEL IN THE FORM OF FIBERS, BUT INCLUDING LESS THAN 5 WT. PERCENT OF LOW FUEL-VALUE FIBERS.
Claim 2
Dependent Claim 159 words
A ROCKET PROPELLANT HAVING A TENSILE STRENGTH ABOVE 50 P.S.I. WHICH COMPRISES A FELTED NETWORK OF UNORIENTED FIBERS HAVING A DIAMETER OF ABOUT 0.1 TO 100 MICRONS IMBEDDED IN A THICKENED LIQUID OXIDIZING AGENT WHICH IS ABOUT 60 TO 90 WT. PERCENT OF THE PROPELLANT AND IS SELECTED FROM THE GROUP CONSISTING OF TETRANITROMETHANE AND A POLYDIFLUORAMINO ORGANIC COMPOUND CONTAINING AN NF2 GROUP LINKED TO EACH CARBON ATOM, MIXED WITH ABOUT 10 TO 30 WT. PERCENT OF FINELY-DIVIDED SOLID FUEL FROM THE GROUP CONSISTING OF BERYLLIUM, BORON, ALUMINUM AND MAGNESIUM, SAID LIQUID OXIDIZING AGENT BEING THICKENED INTO A GEL BY A THICKENING AENT WHICH IS 1 TO 5 WT. PERCENT OF THE PROPELLANT, SAID IMBEDDED FIBERS HAVING A TENSILE STRENGTH OF ABOVE STRENGTH OF ABOVE 50 P.S.I. AND BEING PRESENT IN A PROPORTION OF ABOUT 1 TO 30 WT. PERCENT INCLUDING SAID FUEL IN THE FORM OF FIBERS, BUT INCLUDING LESS THAN 5 WT. PERCENT OF LOW FUEL-VALUE FIBERS.

References Cited (Backward Citations)

US1530692A Cited
US2068873A Cited
US2570990A Cited
US2530489A Cited
US2574466A Cited
US2712989A Cited
US2921846A Cited
US2971097A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-19 1971-08-21 1972-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-19 1975-08-21 1976-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-19 1979-08-21 1980-02-20 $7700.00 Window Closed / Lapsed

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