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Ingvar Johansson

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  • Spanga, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing synthetic resin from waste products
    • Patent number 4,289,663
    • Issue date Sep 15, 1981
    • Svenska Traforskningsinstitutet
    • Ingvar K. G. Johansson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of joining wood products
    • Patent number 4,113,542
    • Issue date Sep 12, 1978
    • Svenska Traforskningsinstitutet
    • Ingvar Johansson
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...