TREA

Reverse osmosis membrane compositions

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  • CPC
  • Y10S524/909
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Parent Industries

YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S524/00Synthetic resins or natural rubbers -- part of the class 520 series

Current Industry

Y10S524/909Reverse osmosis membrane compositions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Desalination process
    • Patent number 5,512,176
    • Issue date Apr 30, 1996
    • Saudi Basic Industries Corporation
    • E. Allan Blair
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Desalination process
    • Patent number 5,354,835
    • Issue date Oct 11, 1994
    • Saudi Basic Industries Corporation
    • E. Allan Blair
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of permselective composite membrane
    • Patent number 4,260,652
    • Issue date Apr 7, 1981
    • Teijin Limited
    • Yutaka Taketani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Product
    • Patent number 4,039,499
    • Issue date Aug 2, 1977
    • Standard Oil Company
    • Edward F. Steigelmann
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Permselective polymeric membranes of organic polyamide or polyhydra...
    • Patent number 3,993,625
    • Issue date Nov 23, 1976
    • Toray Industries, Inc.
    • Masaru Kurihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Permselective polymeric membrane prepared from polybenzimidazoles
    • Patent number 3,951,920
    • Issue date Apr 20, 1976
    • Teijin Limited
    • Masao Senoo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Semipermeable membrane and process for the preparation thereof
    • Patent number 3,950,257
    • Issue date Apr 13, 1976
    • Daicel Ltd.
    • Kiyoshi Ishii
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for forming hollow fibers
    • Patent number 3,940,469
    • Issue date Feb 24, 1976
    • Standard Oil Company
    • Edward F. Steigelmann
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Regular copolyamides as desalination membranes
    • Patent number 3,935,172
    • Issue date Jan 27, 1976
    • The United States of America as represented by the Secretary of the Interior
    • Otto F. Vogl
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents