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Arun K. Chattopadhyay

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  • McMasterville, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hardened porous ammonium nitrate
    • Patent number 6,398,888
    • Issue date Jun 4, 2002
    • ICI Canada, Inc.
    • Arun Kumar Chattopadhyay
    • C06 - EXPLOSIVES MATCHES
  • Information Patent Grant

    Hardened porous ammonium nitrate
    • Patent number 5,597,977
    • Issue date Jan 28, 1997
    • ICI Canada, Inc.
    • Arun K. Chattopadhyay
    • C06 - EXPLOSIVES MATCHES
  • Information Patent Grant

    Coating for ammonium nitrate prills
    • Patent number 5,567,910
    • Issue date Oct 22, 1996
    • ICI Canada Inc.
    • Arun K. Chattopadhyay
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    Emulsion explosive
    • Patent number 5,500,062
    • Issue date Mar 19, 1996
    • ICI Canada Inc.
    • Arun K. Chattopadhyay
    • C06 - EXPLOSIVES MATCHES
  • Information Patent Grant

    Sensitizer and use
    • Patent number 5,456,729
    • Issue date Oct 10, 1995
    • ICI Canada Inc.
    • Fortunato Villamagna
    • C06 - EXPLOSIVES MATCHES
  • Information Patent Grant

    Ammonium nitrate density modification
    • Patent number 5,240,524
    • Issue date Aug 31, 1993
    • ICI Canada Inc.
    • Arun Chattopadhyay
    • C06 - EXPLOSIVES MATCHES
  • Information Patent Grant

    Water-in-oil emulsion explosive
    • Patent number 4,919,179
    • Issue date Apr 24, 1990
    • Imperial Chemical Industries PLC
    • Arun K. Chattopadhyay
    • C06 - EXPLOSIVES MATCHES

Patents Applicationslast 30 patents

  • Information Patent Application

    Hardened porous ammonium nitrate
    • Publication number 20010000200
    • Publication date Apr 12, 2001
    • ICI Canada, Inc.
    • Arun Kumar Chattopadhyay
    • C06 - EXPLOSIVES MATCHES