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특허 상세정보

Gas generating compositions

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-031/28    C06B-031/00   
미국특허분류(USC) 149/046; 149/0191; 149/048; 149/092; 149/045
출원번호 US-0211900 (1998-12-15)
우선권정보 JP-0197397 (1998-07-13)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Vidas, Arrett & Steinkraus PA
인용정보 피인용 횟수 : 8  인용 특허 : 13
초록

A gas generating composition for generating gas by a combustion reaction to inflate, for example, an airbag. The gas generating composition includes an oxidant and crystalline carbon powder that reacts with the oxidant. The oxidant is preferably ammonium nitrate. The crystalline carbon powder is preferably activated carbon powder. The gas generating composition preferably includes a high energy substance, binder and plasticizer.

대표
청구항

1. A gas generating composition, which is installed in a vehicle occupant restraint system and generates gas by a combustion reaction when the vehicle occupant restraint system is actuated, wherein the gas generating composition essentially consists of:ammonium nitrate as an oxidant; and microcrystalline activated carbon as an reductant, wherein the microcrystalline activated carbon has a specific surface area of 700 to 1600 m2/g, wherein the weight ratio of the ammonium nitrate to the microcrystalline activated carbon is between 95:5 and 99:1, wherein t...

이 특허에 인용된 특허 (13)

  1. Cartwright Richard V. (Sussex NJ). Extrudable gas generating propellants, method and apparatus. USP1992065125684.
  2. Lauritzen Donald R. (Hyrum UT) Green David J. (Brigham City UT) Taylor Robert D. (Hyrum UT) Mitson Scott C. (Honeyville UT). Gas generation and ignition system for airbag inflation. USP1997045620205.
  3. Moore Walter A. ; Lewis Robert E. ; Clark Marcus T. ; Matzl Bryan D.. Hybrid inflator with reduced solid emissions. USP1999035882036.
  4. Lauritzen Donald R. (Hyrum UT) Green David J. (Brigham City UT) Ralston Joseph L. (No. Ogden UT). Inflator for a vehicle airbag system and a pyrogen igniter used therein. USP1997045623115.
  5. Perotto Christian,FRX ; Duvacquier Daniel,FRX ; Marsaud Benoit,FRX. Integral tubular generator for inflating protective cushions. USP2000026029994.
  6. Hamilton Brian K. (Saugus CA). Method of generating water vapor free gas. USP1982014309229.
  7. Scheffe Robert S. (Alexandria VA). Occupant restraint system and composition useful therein. USP1991014981534.
  8. Poole Donald R. (Woodinville WA). Process for preparing azide-free gas generant composition. USP1996075531941.
  9. Hamilton Brian K. (Canyon Country CA) Garner Eugene F. (Canyon Country CA) Jackson Charles (Newhall CA). Pyrotechnic composition and method of inflating an inflatable device. USP1980074214438.
  10. Hamilton Brian K. (Utica MI). Pyrotechnic formulation. USP1976043950009.
  11. 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.
  12. 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.
  13. Hinshaw Jerald C. ; Doll Daniel W. ; Blau Reed J. ; Lund Gary K.. Using metal complex compositions as gas generants. USP1998045735118.