obtained from prereacted sintered grains ("simultaneous sinter")

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for the production of refractory bricks

    • Patent number 5,306,451
    • Issue date Apr 26, 1994
    • Dyko Industriekeramik GmbH
    • Klaus Wachter
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Magnesia aggregate for refractory article and method for manufactur...

    • Patent number 4,735,859
    • Issue date Apr 5, 1988
    • Tokyo Yogyo Kabushiki Kaisha
    • Susumu Ushigome
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    High temperature refractory of MgCr.sub.2 O.sub.4 matrix and unstab...

    • Patent number 4,647,547
    • Issue date Mar 3, 1987
    • The United States of America as represented by the United States Department o...
    • Jitendra P. Singh
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Alumina-chrome refractory composition

    • Patent number 4,039,344
    • Issue date Aug 2, 1977
    • Kyushu Refractories Co., Ltd.
    • Yasuo Nishikawa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process for making magnesia

    • Patent number 4,033,778
    • Issue date Jul 5, 1977
    • Steetley Limited
    • William Cecil Gilpin
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory lining for a pig iron container

    • Patent number 4,023,786
    • Issue date May 17, 1977
    • Veitscher Magnesitwerke-Aktiengesellschaft
    • Hans-Jurgen Gulas
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method of producing MgO and Cr.sub.2 O.sub.3 based refractories and...

    • Patent number 4,008,092
    • Issue date Feb 15, 1977
    • Osterreichisch-Amerkianische Magnesit Aktiengesellschaft
    • Gunther Lorenz Mortl
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3879208

    • Patent number 3,879,208
    • Issue date Apr 22, 1975
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3868261

    • Patent number 3,868,261
    • Issue date Feb 25, 1975
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3834914

    • Patent number 3,834,914
    • Issue date Sep 10, 1974
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3817765

    • Patent number 3,817,765
    • Issue date Jun 18, 1974
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3798042

    • Patent number 3,798,042
    • Issue date Mar 19, 1974
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3615776

    • Patent number 3,615,776
    • Issue date Oct 26, 1971
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3594199

    • Patent number 3,594,199
    • Issue date Jul 20, 1971
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3577246

    • Patent number 3,577,246
    • Issue date May 4, 1971
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3354940

    • Patent number 3,354,940
    • Issue date Nov 28, 1967
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3249676

    • Patent number 3,249,676
    • Issue date May 3, 1966
    • C21 - METALLURGY OF IRON