TREA

of fibres which have been treated to render them suitable for sheet formation

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  • CPC
  • D21H5/1236
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Parent Industries

DTEXTILES PAPER D21Papermaking D21HPULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR D21H5/00Special paper or cardboard not otherwise provided for

Current Industry

D21H5/1236of fibres which have been treated to render them suitable for sheet formation
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Paper filler composition
    • Patent number 11,970,817
    • Issue date Apr 30, 2024
    • FIBERLEAN TECHNOLOGIES LIMITED
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Paper filler composition
    • Patent number 11,732,411
    • Issue date Aug 22, 2023
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Paper filler composition
    • Patent number 11,377,791
    • Issue date Jul 5, 2022
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Paper filler composition
    • Patent number 11,162,219
    • Issue date Nov 2, 2021
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Paper filler composition
    • Patent number 10,100,464
    • Issue date Oct 16, 2018
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Paper filler composition
    • Patent number 9,127,405
    • Issue date Sep 8, 2015
    • Imerys Minerals, Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Paper filler method
    • Patent number 8,231,764
    • Issue date Jul 31, 2012
    • Imerys Minerals, Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for the production of high density fiberboard
    • Patent number 4,634,498
    • Issue date Jan 6, 1987
    • United States Gypsum Company
    • Dennis L. Hardesty
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of manufacture of a felted fibrous product from a nonaqueous...
    • Patent number 4,597,930
    • Issue date Jul 1, 1986
    • John R. Szal
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Chemically opening chrysotile asbestos and encapsulating
    • Patent number 3,965,284
    • Issue date Jun 22, 1976
    • Canadian Patents and Development Limited
    • Marinos Xanthos
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3429772
    • Patent number 3,429,772
    • Issue date Feb 25, 1969
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    3384535
    • Patent number 3,384,535
    • Issue date May 21, 1968
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    3364102
    • Patent number 3,364,102
    • Issue date Jan 16, 1968
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    3052593
    • Patent number 3,052,593
    • Issue date Sep 4, 1962
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Patents Applicationslast 30 patents

  • Information Patent Application

    PAPER FILLER COMPOSITION
    • Publication number 20240240400
    • Publication date Jul 18, 2024
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    PAPER FILLER COMPOSITION
    • Publication number 20220364305
    • Publication date Nov 17, 2022
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    PAPER FILLER COMPOSITION
    • Publication number 20220018068
    • Publication date Jan 20, 2022
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    PAPER FILLER COMPOSITION
    • Publication number 20190078257
    • Publication date Mar 14, 2019
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    PAPER FILLER COMPOSITION
    • Publication number 20180371694
    • Publication date Dec 27, 2018
    • FiberLean Technologies Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    LAMINATED SHEET AND LAMINATE
    • Publication number 20180347117
    • Publication date Dec 6, 2018
    • OJI HOLDINGS CORPORATION
    • Hayato FUSHIMI
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    PAPER FILLER COMPOSITION
    • Publication number 20120012031
    • Publication date Jan 19, 2012
    • JOHN CLAUDE HUSBAND
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    PAPER FILLER COMPOSITION
    • Publication number 20110259537
    • Publication date Oct 27, 2011
    • Imerys Minerals Limited
    • John Claude Husband
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE