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Yutaka Fukuda

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Patents Grantslast 30 patents

  • Information Patent Grant

    Preparation of a polycarbonate by melt-polycondensation of a dihydr...
    • Patent number 5,670,604
    • Issue date Sep 23, 1997
    • Daicel Chemical Industries, Ltd.
    • Tatsuya Kanno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polycarbonate
    • Patent number 5,610,262
    • Issue date Mar 11, 1997
    • Daicel Chemical Industries, Ltd.
    • Tsutomu Yamato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polycarbonate
    • Patent number 5,548,041
    • Issue date Aug 20, 1996
    • Daicel Chemical Industries, Ltd.
    • Tsutomu Yamato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polycarbonate
    • Patent number 5,489,665
    • Issue date Feb 6, 1996
    • Daicel Chemical Industries, Ltd.
    • Tsutomu Yamato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    (CO) polycarbonate composition and process for preparing the same
    • Patent number 5,475,079
    • Issue date Dec 12, 1995
    • Daicel Chemical Industries, Ltd.
    • Yoshimichi Okano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the preparation of polycarbonate
    • Patent number 5,468,836
    • Issue date Nov 21, 1995
    • Daicel Chemical Industries, Ltd.
    • Yoshimichi Okano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the preparation of polycarbonate
    • Patent number 5,466,775
    • Issue date Nov 14, 1995
    • Daicel Chemical Industries, Ltd.
    • Tatsuya Kanno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polycarbonate
    • Patent number 5,434,227
    • Issue date Jul 18, 1995
    • Daicel Chemical Industries, Ltd.
    • Tsutomu Yamato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the preparation of (co)polycarbonate
    • Patent number 5,434,235
    • Issue date Jul 18, 1995
    • Daicel Chemical Industries, Ltd.
    • Tatsuya Kanno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polycarbonate
    • Patent number 5,432,250
    • Issue date Jul 11, 1995
    • Daicel Chemical Industries, Ltd.
    • Tsutomu Yamato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polycarbonate
    • Patent number 5,418,314
    • Issue date May 23, 1995
    • Daicel Chemical Industries, Ltd.
    • Tsutomu Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing (co)polycarbonate and (co)polycarbonate compo...
    • Patent number 5,391,690
    • Issue date Feb 21, 1995
    • Daicel Chemical Industries,Ltd.
    • Tatsuya Kanno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing (co)polycarbonate and (co)polycarbonate compo...
    • Patent number 5,387,628
    • Issue date Feb 7, 1995
    • Daicel Chemical Industries, Ltd.
    • Tatsuya Kanno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing (co)polycarbonate with transesterification ca...
    • Patent number 5,278,279
    • Issue date Jan 11, 1994
    • Daicel Chemical Industries, Ltd.
    • Tatsuya Kanno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Optical disk of polycarbonate
    • Patent number 4,978,578
    • Issue date Dec 18, 1990
    • Daicel Chemical Industries, Ltd.
    • Tatsuya Kanno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Lactone-modified diol
    • Patent number 4,539,394
    • Issue date Sep 3, 1985
    • Daicel Chemical Industries, Ltd.
    • Yutaka Fukuda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...