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특허 상세정보

Gassed emulsion explosive

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-045/00    D03D-023/00   
미국특허분류(USC) 149/02 ; 149/109.6
출원번호 US-0021482 (1998-02-10)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 2  인용 특허 : 16
초록

The invention comprises an emulsion explosive composition having an organic fuel as a continuous phase; an inorganic oxidizer salt solution or melt as a discontinuous phase; an emulsifier; and gas bubbles formed from a chemical gassing agent that comprises a nitrite salt and an ion selected from the group consisting of calcium ion, strontium ion and mixtures thereof as a gassing enhancer. The invention further comprises a method for chemically gassing an emulsion explosive composition. The method involves adding to a pre-formed emulsion phase a chemical ...

대표
청구항

[ What is claimed is:] [1.] An emulsion explosive composition comprising an organic fuel as a continuous phase; an inorganic oxidizer salt solution or melt as a discontinuous phase; an emulsifier; and gas bubbles formed from a chemical gassing agent that comprises an aqueous nitrite salt solution in an amount of from less than 0.1% to about 0.6% by weight of the composition on a dry basis and an ion present in the nitrite salt solution in an amount from about 2.0% to about 10.0% by weight of the nitrite solution and selected from the group consisting of ...

이 특허에 인용된 특허 (16)

  1. Koppes William M. (Adelphi MD) Adolph Horst G. (Silver Spring MD). Bis(2,2,2-fluorodinitroethoxy)-(1,1,1-fluorodinitro-2-propoxy)methane. USP1988074756777.
  2. Wasson Daniel A. (Sandy UT). Blasting composition containing particulate oxidizer salts. USP1984014426238.
  3. Sudweeks Walter B. (Orem UT) Jessop Harvey A. (Lehi UT). Emulsion blasting agent. USP1979024141767.
  4. Sudweeks Walter B. (Orem UT) Jessop Harvey A. (Lehi UT). Emulsion blasting composition. USP1980084216040.
  5. McKenzie Lee F. (Riverton UT) Lawrence Lawrence D. (Sandy UT). Emulsion explosive containing organic microspheres. USP1989044820361.
  6. McKenzie Lee F. (Riverton UT). Emulsion explosive containing phenolic emulsifier derivative. USP1988114784706.
  7. McKenzie Lee F. (Riverton UT) Lawrence Lawrence D. (Sandy UT). Emulsion explosives containing a polymeric emulsifier. USP1990064931110.
  8. Winston, Scott. High density pressure resistant invert blasting emulsions. USP1985114555276.
  9. Vance Ricky T. (Cordova AL) Griffith George L. (Bethlehem PA) Brown Dennis J. (Jasper AL). Method of safely preparing an explosive emulsion composition. USP1994095346564.
  10. Sujansky Vladimir (Burwood AUX) Tribuzio Sergio (Tullamarine AUX) Paull Jolanta (Hawthorn East AUX). Nitric ester explosive compositions. USP1985034507161.
  11. Miller Kenneth A. (West Jordan UT). Packaged emulsion explosives and methods of manufacture thereof. USP1988124790890.
  12. Yabsley Michael (Cheltenham AUX) Hergt Jill (Moonee Ponds AUX). Primer composition. USP1989044818309.
  13. Halliday Pieter S. J. (Randburg ZAX) Harris Allan J. (Knoppigslaagte ZAX). Process for the production of a cartridged explosive with entrapped bubbles. USP1988124790891.
  14. Halliday Pieter S. J. (Randburg ZAX) Lubbe Carl H. (Johannesburg ZAX) Swartz Lynette (Bedfordview ZAX). Process for the production of an explosive and the explosive. USP1988074756776.
  15. 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.
  16. Forsberg John W. (Mentor-on-the-Lake OH). Water-in-oil emulsions. USP1987114708753.