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특허 상세정보

Method of formulating a gas generant composition

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) D03D-023/00    C06B-031/28   
미국특허분류(USC) 149/1096; 149/046
출원번호 US-0544694 (2000-04-07)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Dinnin & Dunn, P.C.
인용정보 피인용 횟수 : 2  인용 특허 : 19
초록

Preferred gas generant compositions incorporate a combination of 5-aminotetrazole nitrate and an oxidizer. The oxidizer may be selected from a group including nonmetal and metal nitrates, nitrites, chlorates, chlorites, perchlorates, and oxides. 5-aminotetrazole nitrate is characterized as an oxygen-rich fuel and is therefore considered to be a self-deflagrating fuel. To tailor the oxygen balance in certain applications, however, the use of an oxidizer is preferred. Methods of formulating the compositions are also described. These compositions are especi...

대표
청구항

1. A method of formulating a gas generant composition comprising the steps of:chilling a predetermined amount of nitric acid to 0-20 degrees Celsius; adding a fuel selected from the group consisting of 5-aminotetrazole, diaminotriazole, azodicarbonamide, hydrazodicarbonamide, semicarbazide, carbohydrazide, biuret, 3,5-diamino-1,2,4-triazole, dicyandiamide, and 3-amino-1,2,4-triazole to the chilled nitric acid thereby forming a mixture wherein the nitric acid is diluted with water and is provided in a molarity and quantity at least sufficient to form a mo...

이 특허에 인용된 특허 (19)

  1. Loverro ; Jr. Nicholas P. (318 Brigette Ct. Redlands CA 92374). Ammonium nitrate explosive compositions. USP1987104701227.
  2. Blomquist Harold R.. Ammonium nitrate gas generating composition. USP2000116149746.
  3. Poole, Donald R.. Azide-free gas generant composition with easily filterable combustion products. USP1991075035757.
  4. Poole Donald R. (Woodinville WA) Kwong Patrick C. (Seattle WA). Azide-free gas generant compositions and processes. USP1995025386775.
  5. Zeigler ; Jr. Edward H. (Budd Lake NJ). Co-nitrating trimetholethane and diethylene glycol. USP1982104352699.
  6. Lundstrom Norman H.. Gas generant complex oxidizers. USP1999105962808.
  7. Wardle Robert B. (Logan UT) Blau Reed J. (Richmond UT). Gas generant composition containing non-metallic salts of 5-nitrobarbituric acid. USP1995125472534.
  8. 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.
  9. Blau Reed J. (Richmond UT) Lund Gary K. (Ogden UT). Method for preparing anhydrous tetrazole gas generant compositions. USP1995125472647.
  10. Wagaman Kerry L. (Waldorf MD) Clark Chester F. (Waldorf MD) Henderson Larry D. (San Jose CA) Jones W. Steven (Indian Head MD). Method for preparing ternary mixtures of ethylenediamine dinitrate, ammonium nitrate and potassium nitrate. USP1983124419155.
  11. Manser Gerald E. (Folsom CA) Fletcher Richard W. (Fair Oaks CA). Nitramine oxetanes and polyethers formed therefrom. USP1987114707540.
  12. Lundstrom Norman H. ; Scheffee Robert S. ; Luke Daniel S.. Nonazide ammonium nitrate based gas generant compositions that burn at ambient pressure. USP2000016017404.
  13. Burns Sean P. ; Khandhadia Paresh S.. Nonazide gas generant compositions. USP1999025872329.
  14. Frankel Milton B. (Tarzana CA) Witucki Edward F. (Van Nuys CA). Process for preparing 1,5-diazido-3-nitrazapentane. USP1988084761250.
  15. Stern Alfred G. ; Koppes William M. ; Sitzmann Michael E. ; Nock Lori A. ; Cason-Smith Donna M.. Process for preparing ammonium dinitramide. USP1998025714714.
  16. Poole Donald R. (Woodinville WA). Process for preparing azide-free gas generant composition. USP1996075531941.
  17. Blais Marcel (Newton NJ). Reactor for the gas phase nitration of cellulose. USP1982064334060.
  18. Burns Sean P. ; Khandhadia Paresh S.. Smokeless gas generant compositions. USP2000066074502.
  19. Katzakian ; Jr. Arthur ; Cheung Henry ; Grix Charles E. ; McGehee Donald C.. Solid solution vehicle airbag clean gas generator propellant. USP1998125847315.