TREA

Carl-Axel E. Sjogreen

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  • Perstorp, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lubricant ester
    • Patent number 6,290,869
    • Issue date Sep 18, 2001
    • Perstorp AB
    • Kent Sorensen
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Shrinkage-reducing agent for cement compositions
    • Patent number 6,251,180
    • Issue date Jun 26, 2001
    • Perstorp AB
    • Jens Engstrand
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process for the production of di-trimethylolpropane
    • Patent number 5,324,863
    • Issue date Jun 28, 1994
    • Perstorp AB
    • Carl-Axel Sjogreen
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Aqueous metal-working lubricant
    • Patent number 4,405,471
    • Issue date Sep 20, 1983
    • Perstorp AB
    • Mans O. Manson
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Secondary stabilizer
    • Patent number 4,356,110
    • Issue date Oct 26, 1982
    • Perstorp AB
    • Bengt A. L. Sallmen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...