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특허 상세정보

Methods of blasting using nitrogen-free explosives

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F42B-003/00    C06B-021/00   
미국특허분류(USC) 102/313 ; 149/077 ; 149/085 ; 149/109.6 ; 264/033
출원번호 US-0850240 (1997-05-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Madson & Metcalf
인용정보 피인용 횟수 : 4  인용 특허 : 31
초록

A method of blasting using non-nitrogen containing explosives which protect the environment from pollution of nitrogen compounds is provided. The method includes the following steps: (1) combining an oxidizer, a fuel, water, and a binder such that an explosive is formed which is substantially free of nitrogen; (2) placing the explosive in a location selected for blasting; and (3) initiating said explosive. The nitrogen-free oxidizer may be a perchlorate such as sodium perchlorate. Using this method, the explosive may be a water gel, emulsion, a dry explo...

대표
청구항

[ What is claimed and desired to be secured by Letters Patent is:] [1.] A method of blasting employing commercial or mining explosive compositions, while substantially eliminating the emission of nitrogen during the use of such explosives, comprising the steps of:formulating an explosive composition comprising a substantially nitrogen-free oxidizer and a substantially nitrogen-free fuel said explosive consisting essentially of from about 45% to about 60% of at least one nitrogen-free perchlorate; from about 15% to about 25% fuel; from about 20% to about ...

이 특허에 인용된 특허 (31)

  1. Nguyen Anh D. (Brossard CAX). Aromatic hydrocarbon-based emulsion explosive composition. USP1990064936932.
  2. Edwards Donald W. (Lehighton PA) Wells ; Jr. Luther R. (Glasgow KY). Blasting booster and methods. USP1979074161142.
  3. Clay Robert B. (728 West 3800 South Bountiful UT 84010). Blasting composition. USP1981104294633.
  4. Stromquist Donald M. (Salt Lake City UT) Wathen Boyd J. (Lehi UT). Cast primer and small diameter explosive composition. USP1997095665935.
  5. Prest David W. (Southport GB2) Yorke William J. (Quebec CAX). Chemical foaming of emulsion explosive compositions. USP1989104875951.
  6. Wallender Kenneth D. (3001 Bainbridge Odessa TX 79762). Composition and method for stimulating wells. USP1990064934457.
  7. Lownds Charles M. (Edina MN). Emulsified gassing agents containing hydrogen peroxide and methods for their use. USP1995035397399.
  8. Hajto Ernest A. (North Bay CAX). Emulsion blasting agent. USP1985024500370.
  9. Sujansky Vladimir (Burwood AUX). Emulsion explosive. USP1992115160387.
  10. Cooper John (Ayrshire GB6) Baker Alan S. (Berkshire GB2). Emulsion explosive composition. USP1989044822433.
  11. Mitchell Kenneth A. W. (Cheltenham AUX). Emulsion explosive composition. USP1984054448619.
  12. Yates David E. (Melbourne AUX) Dack Stuart W. (Melbourne AUX). Emulsion explosive composition. USP1987124710248.
  13. Cunningham Glenn R. (Upper St. Clair PA) Senules Alex (Pittsburgh PA). Emulsion-type explosive compositions. USP1989064836870.
  14. Sanders Ross (Kalgoorlie AUX) Sheahan Robert (Blackburn AUX) Sujansky Vladimir (Burwood AUX). Explosive composition. USP1991125074939.
  15. Curtin David J. (Ashburton AUX) Yates David E. (East Brunswick AUX). Explosive composition with bubble enhancer. USP1986064594118.
  16. Ciaramitaro David A. (Benson AZ) Speltz David J. (Spring Valley CA) Moore Jack M. (Benson AZ). High density gel explosive. USP1987014637848.
  17. Khandhadia Paresh S. (Rochester Hills MI). Ignition compositions for inflator gas generators. USP1995105460671.
  18. Sobey Mark S. (San Carlos CA) Clark James B. (Campbell CA) Newell Vincent J. (Pleasanton CA). Master optical parametric oscillator/power optical parametric oscillator. USP1995105457707.
  19. Yabsley Michael (Cheltenham AUX) Skinder Waclaw (Essendon AUX) Mitchell Ken (Cheltenham AUX). Melt-in-fuel emulsion explosive composition and method. USP1991065026442.
  20. Stromquist Donald M. (Salt Lake City UT) Wathen Boyd J. (Lehi UT). Method of preparing a cast solid explosive product. USP1997095670741.
  21. Nguyen Anh D. (Brossard CAX) Gagnon Alain J. (Terrebonne CAX). Nitroalkane-based emulsion explosive composition. USP1990064936931.
  22. Rothenstein Julius (Carmichael CA) Zimmerman G. A. (Sacramento CA). Perchlorate sensitizing agent. USP1977084040880.
  23. Jessop Harvey A. (Lehi UT) Funk Albert G. (Salt Lake City UT). Perchlorate slurry explosive. USP1983114416711.
  24. Timmerman Hubert G. (Manhattan Beach CA). Preparation of gas generation grain. USP1976073971729.
  25. Ehrnstrm Hans (Gyttorp SEX). Process for the preparation of a water-in-oil emulsion explosive and a fuel phase for use in such process. USP1987124711678.
  26. Garner Eugene F. (Canyon County CA). Pyrotechnic composition and method of inflating an inflatable automobile safety restraint. USP1979054152891.
  27. Johannes Gerald E. (565 Frank Ave. ; S.E. Huron SD 57350). Slurry type explosive. USP1981074278480.
  28. Cranney Don H. (10535 S. Featherwood South Jordan UT 84065) Maxfield Blake T. (6614 S. 5095 West West Jordan UT 84084). Surfactant for gassed emulsion explosive. USP1990104960475.
  29. Clay Robert B. (728 W. 3800 South St. Bountiful UT 84010). Water resistant blasting agent and method of use. USP1980014181546.
  30. Clay ; Robert B.. Water-in-oil blasting composition. USP1978094111727.
  31. Forsberg John W. (Mentor-on-the-Lake OH). Water-in-oil emulsions. USP1987114708753.