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특허 상세정보

Thermally stable nonazide automotive airbag propellants

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-047/10   
미국특허분류(USC) 149/022
출원번호 US-0851503 (1997-05-05)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Begin
인용정보 피인용 횟수 : 14  인용 특허 : 39
초록

Thermally stable gas generant compositions incorporate a combination of nitroguanidine, one or more nonazide high-nitrogen fuels, and phase-stabilized ammonium nitrate or a similar nonmetallic oxidizer that, upon combustion, result in a greater yield of gaseous products per mass unit of gas generant, a reduced yield of solid combustion products, and acceptable burn rates, thermal stability, and ballistic properties. These compositions are especially suitable for inflating air bags in passenger-restraint devices.

대표
청구항

[ We claim:] [1.]1. A gas generant composition consisting of a hydrated or anhydrous mixture of:nitroguanidine and at least one nonazide high-nitrogen fuel selected from the group consisting of guanidines, tetrazoles, triazoles, salts of tetrazoles, and salts of triazoles; andphase stabilized ammonium nitrate as an oxidizer,wherein said composition has a melting point of at least 115.degree. C., the ammonium nitrate is phase stabilized by coprecipitating with potassium nitrate, said nitroguanidine comprises 1%-26% by weight of said mixture; said at least...

이 특허에 인용된 특허 (39)

  1. Becuwe Alain (Mennecy FRX). 5-oxo-3-nitro-1,2,4-triazole in gunpowder and propellant compositions. USP1991075034072.
  2. Stinecipher Mary M. (Los Alamos NM) Coburn Michael D. (Los Alamos NM). Ammonium nitrate explosive systems. USP1981114300962.
  3. Lund Gary K. (Malad ID) Blau Reed J. (Richmond UT). Anhydrous 5-aminotetrazole gas generant compositions and methods of preparation. USP1996035500059.
  4. Poole, Donald R.. Azide-free gas generant composition with easily filterable combustion products. USP1991075035757.
  5. Poole Donald R. (Woodinville WA) Kwong Patrick C. (Seattle WA). Azide-free gas generant compositions and processes. USP1995025386775.
  6. Highsmith Thomas K. (North Ogden UT) Blau Reed J. (Richmond UT) Lund Gary K. (Ogden UT). Bitetrazoleamine gas generant compositions. USP1997105682014.
  7. Voreck ; Jr. Wallace E. (Sparta NJ). Castable high explosive compositions of low sensitivity. USP1983124421578.
  8. Poole Donald R. (Woodinville WA) Wilson Michael A. (Bothell WA). Composition and process for inflating a safety crash bag. USP1990084948439.
  9. Poole Donald R. (Woodinville WA). Composition for controlling oxides of nitrogen. USP1992085139588.
  10. Lee, Kien-yin; Coburn, Michael D.. Ethylenediamine salt of 5-nitrotetrazole and preparation. USP1985114552598.
  11. Cartwright Richard V. (Sussex NJ). Extrudable gas generating propellants, method and apparatus. USP1992065125684.
  12. Taylor Robert D. (Hyrum UT) Deppert Thomas M. (Brigham City UT). Gas generant composition for use with aluminum components. USP1996065529647.
  13. Lundstrom Norman H. ; Begin Laurence C.. Gas generants comprising transition metal nitrite complexes. USP2000066077371.
  14. Highsmith Thomas K. (North Ogden UT) Lund Gary K. (Ogden UT) Blau Reed J. (Richmond UT) Hinshaw Jerald C. (Ogden UT) Doll Daniel W. (Ogden UT). Gas generating compositions based on salts of 5-nitraminotetrazole. USP1996055516377.
  15. Wardle Robert B. (Logan UT) Hinshaw Jerald C. (Ogden UT) Hajik Robert M. (Willard UT). Gas generating compositions containing nitrotriazalone. USP1990064931112.
  16. Ochi Koji (Aichi JPX) Asano Nobukazu (Handa JPX) Matsuda Kazunori (Aichi JPX) Yanase Kiyoaki (Aichi JPX). Gas generator compositions. USP1996015482579.
  17. Ramnarace ; Jawaharlal. Gas generator propellants. USP1978094111728.
  18. Bucerius Klaus M. (Karlsruhe DEX) Schmid Helmut (Karlsruhe DEX). Gas-generating mixture. USP1996085542998.
  19. Bucerius Klaus M. (Karlsruhe DEX) Schmid Helmut (Karlsruhe DEX). Gas-generating mixture. USP1996085542999.
  20. Chi Minn-Shong (New Castle DE). Low pressure exponent propellants containing boron. USP1991125074938.
  21. Wilson Kimberly A. ; Wilson Michael A. ; Poole Donald R. ; Holland Gary F.. Low temperature autoigniting propellant composition. USP1999025866842.
  22. Poole Donald R.. Low-residue azide-free gas generant composition. USP1998075783773.
  23. Blau Reed J. (Richmond UT) Lund Gary K. (Ogden UT). Method for preparing anhydrous tetrazole gas generant compositions. USP1995125472647.
  24. Onishi Atsuhiro (Takasago JPX) Tanaka Hiroshi (Takasago JPX). Method of tetrazole amine salts having improved physical properties for generating gas in airbags. USP1995085439251.
  25. Lund Gary K. (Ogden UT) Stevens Mikel R. (Fayetteville AR) Edwards W. Wayne (Tremonton UT) Shaw ; III Graham C. (Garland UT). Non-azide gas generant formulation, method, and apparatus. USP1993035197758.
  26. Burns Sean P. ; Khandhadia Paresh S.. Nonazide gas generant compositions. USP1999025872329.
  27. Lundstrom Norman H. ; Khandhadia Paresh S.. Nonazide gas generating compositions. USP1998055756929.
  28. Noonan William R. (R.R. 31 ; 565 Briardean Road Cambridge ; Ontario CAX N3H 4R6) McDowell Thomas K. (46 Parkside Dr. Dundas ; Ontario CAX L9H 2S7). Oil treatment method. USP1991125076938.
  29. Highsmith Thomas K. (North Ogden UT) Hinshaw Carol J. (Pleasant View UT) Wardle Robert B. (Logan UT). Phase-stabilized ammonium nitrate and method of making same. USP1994035292387.
  30. Mishra, Indu B.. Potassium fluoride stabilized ammonium nitrate. USP1985114552736.
  31. Lund Gary K. (Ogden UT) Blau Reed J. (Richmond UT). Preparation of anhydrous tetrazole gas generant compositions. USP1996035501823.
  32. Poole Donald R. (Woodinville WA). Process for preparing azide-free gas generant composition. USP1996075531941.
  33. Hommel Horst (Karlsruhe DEX) Schubert Hiltmar (Walzbachtal DEX). Process for the production of particulate ammonium nitrate for solid fuels or explosives. USP1990054925600.
  34. Burns Sean P. ; Khandhadia Paresh S.. Smokeless gas generant compositions. USP2000066074502.
  35. Canterberry J. B. (Crawfordville FL) Katz Lawrence E. (Orange CT). Solid explosive and propellant compositions containing a polyurethane polyacetal elastomer binder and method for the pre. USP1990054925503.
  36. Chang Marguerite S. (Forest Heights MD) Highby John H. (Indian Head MD) Mackenzie Gerald L. (Port Tobacco MD). Solid gas generating and gun propellant composition containing triaminoguanidine nitrate and synthetic polymer binder. USP1976053954528.
  37. Flanagan Joseph E. (Woodland Hills CA). Solid propellant hydrogen generator. USP1980114234363.
  38. Bucerius Klaus M. (Karlsruhe) Wasmann Friedrich-Wilhelm (Pfinztal) Menke Klaus (Bruchsal DEX). Stable, nitrogen-rich composition. USP1993035198046.
  39. Poole Donald R. (South Colby WA) Holland Gary F. (Snohomish WA) Wolf Nicholas A. (Renton WA) Wilson Michael A. (Bothell WA). Thermally stable gas generating composition. USP1996085545272.

이 특허를 인용한 특허 피인용횟수: 14

  1. Nance, Christopher J.; Yelverton, John; Hart, Charles; Meadows, Michael. Apparatus for detonating a triaminotrinitrobenzene charge. USP2012108276516.
  2. Miller, Cory G.; Williams, Graylon K.. Gas generant and synthesis. USP2010027667045.
  3. Miller, Cory G.; Williams, Graylon K.. Gas generant compositions. USP2010037686901.
  4. Williams, Graylon K.; Burns, Sean P.; Khandhadia, Paresh S.. Gas generant compositions containing a silicone coating. USP2003096620266.
  5. Ganta, Sudhakar R.; Williams, Graylon K.. Gas generating compositions. USP2015069045380.
  6. McCormick, David M.; Hardenburg, Robert M.; Vergara, Bernardo V.. Gas generating system. USP2010027654565.
  7. Hordos, Deborah L.. Gas generator. USP2017019556078.
  8. Hordos, Deborah L.; Burns, Sean P.. Method of making monoammonium salt of 5,5′-bis-1H-tetrazole. USP2010057714143.
  9. Hordos, Deborah L.; Burns, Sean P.. Method of making monoammonium salt of bis-(1(2)H-tetrazol-5-yl)-amine. USP201401RE44721.
  10. Canterberry, J B; Schmidt, Mark A.; Hosey, Edward O.; Walsh, Robert K.; Adams, John H.. Method of stabilizing the density of gas generant pellets containing nitroguanidine. USP2005056887325.
  11. Canterberry, J. B.; Schmidt, Mark A.; Hosey, Edward O.; Walsh, Robert K.; Adams, John H.. Method of stabilizing the density of gas generant pellets containing nitroguanidine. USP2003046547900.
  12. Blomquist, Harold R.. Process for preparing free-flowing particulate phase stabilized ammonium nitrate. USP2005066902637.
  13. Burns, Sean P.; Moquin, Larry A.; Khandhadia, Paresh S.. Selective non-catalytic reduction (SNCR) of toxic gaseous effluents. USP2009087575648.
  14. Miller, Cory G.; Williams, Graylon K.. Water-based synthesis of poly(tetrazoles) and articles formed therefrom. USP2010087776169.