TREA

Ball or rod mills

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Industry

  • CPC
  • D21D1/28
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Parent Industries

DTEXTILES PAPER D21Papermaking D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE D21D1/00Methods of beating or refining Beaters of the Hollander type

Current Industry

D21D1/28Ball or rod mills
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing finely divided fibrous cellulose particles
    • Patent number 5,269,470
    • Issue date Dec 14, 1993
    • Oji Paper Co., Ltd.
    • Hisao Ishikawa
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3186647
    • Patent number 3,186,647
    • Issue date Jun 1, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2018938
    • Patent number 2,018,938
    • Issue date Oct 29, 1935
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents