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특허 상세정보

Preparation of eutectic mixtures of ammonium nitrate and amino guanidine nitrate

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06D-005/06   
미국특허분류(USC) 60/219 ; 149/019.91 ; 149/047 ; 149/036
출원번호 US-0021315 (1998-02-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Nixon & Vanderhye P.C.
인용정보 피인용 횟수 : 0  인용 특허 : 12
초록

A eutectic solution of ammonium nitrate and either aminoguanidiine nitrate (AGN) or guanidine nitrate (AN) in the form of a present pellet is used to generate a particulate-free, non-toxic, odorless and colorless gas that is useful wherever an immediate source of such gas is required, such as the inflation of an occupant restraint air bag. The use of the material in the form of a eutectic totally eliminates pellet cracking. Moreover, the addition of a minor amount of potassium nitrate to the eutectic solution eliminates the ammonium nitrate phase change ...

대표
청구항

[ We claim:] [1.] A method of generating a particulate-free, non-toxic, odorless and colorless gas comprising the steps:a) providing an enclosed pressure chamber having an exit port,b) disposing within said chamber, a solid eutectic solution comprising ammonium nitrate and either aminoguanidine nitrate or guanidine nitrate, andc) providing means for igniting said eutectic solution upon detection of the pressure chamber being subjected to a sudden deceleration, whereby gas is instantly generated and conducted through the exit port of said pressure chamber...

이 특허에 인용된 특허 (12)

  1. Scheffee Robert S. ; Wheatley Brian K.. Eutectic mixtures of ammonium nitrate and amino guanidine nitrate. USP1998035726382.
  2. Scheffee Robert S. ; Wheatley Brian K.. Eutectic mixtures of ammonium nitrate, guanidine nitrate and potassium perchlorate. USP1998125850053.
  3. Hock Christopher (Uintah UT) Jordan Michael P. (Bountiful UT) Chandler Virginia E. (Ogden UT) Taylor Robert D. (Hyrum UT) Deppert Thomas M. (Brigham City UT) Barnes Michael W. (Brigham City UT). Gas generant compositions. USP1995075431103.
  4. Wheatley Brian K.. Gas generating composition with exploded aluminum powder. USP1999085936195.
  5. Knowlton Gregory D. ; Ludwig Christopher P. ; Haun Daniel. Gas generating compositions. USP1998075780768.
  6. Poole Donald R.. Low-residue azide-free gas generant composition. USP1998075783773.
  7. Poole Donald R. (Woodinville WA). Process for preparing azide-free gas generant composition. USP1996075531941.
  8. Scheffee Robert S. ; Thibodeau Robert Lee ; Wheatley Brian K.. Pyrotechnic method of generating a particulate-free, non-toxic odorless and colorless gas. USP1998055747730.
  9. Katzakian ; Jr. Arthur ; Cheung Henry ; Grix Charles E. ; McGehee Donald C.. Solid solution vehicle airbag clean gas generator propellant. USP1998125847315.
  10. Holland Gary F. (Snohomish WA) Poole Donald R. (South Colby WA) Wolf Nicholas A. (Renton WA) Wilson Michael A. (Bothell WA). Thermally stable gas generating composition. USP1997065641938.
  11. 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.
  12. Ludwig Christopher P. (4038 Normanwood West Bloomfield MI 48323). Vehicle airbag inflator and related method. USP1996095551725.