TREA

Mixed esters

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Industry

  • CPC
  • B01D71/18
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01DSEPARATION B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material Manufacturing processes specially adapted therefor

Current Industry

B01D71/18Mixed esters
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanically stable ultrafiltration membrane, and method for produc...
    • Patent number 12,318,734
    • Issue date Jun 3, 2025
    • Sartorius Stedim Biotech GmbH
    • Tobias Schleuss
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    High free volume membrane for gas separation
    • Patent number 12,134,068
    • Issue date Nov 5, 2024
    • Saudi Arabian Oil Company
    • Junyan Yang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    High free volume membrane for gas separation
    • Patent number 11,717,787
    • Issue date Aug 8, 2023
    • Saudi Arabian Oil Company
    • Junyan Yang
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Cellulose ester and molded article thereof
    • Patent number 11,643,476
    • Issue date May 9, 2023
    • Daicel Corporation
    • Tomohiro Hashizume
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Separating membrane and method for manufacturing separating membrane
    • Patent number 11,446,611
    • Issue date Sep 20, 2022
    • Toray Industries, Inc.
    • Koichi Takada
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Separation film and production method therefor
    • Patent number 11,103,835
    • Issue date Aug 31, 2021
    • Toray Industries, Inc.
    • Hiroki Eimura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Separation membrane
    • Patent number 11,103,836
    • Issue date Aug 31, 2021
    • Toray Industries, Inc.
    • Koichi Takada
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Semipermeable membrane
    • Patent number 10,926,230
    • Issue date Feb 23, 2021
    • Daicel Corporation
    • Tomohiro Hashizume
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cellulose ester and molded article thereof
    • Patent number 10,927,190
    • Issue date Feb 23, 2021
    • Daicel Corporation
    • Tomohiro Hashizume
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Separation membrane
    • Patent number 10,888,822
    • Issue date Jan 12, 2021
    • Toray Industries, Inc.
    • Gohei Yamamura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Separation membrane
    • Patent number 10,639,595
    • Issue date May 5, 2020
    • Toray Industries, Inc.
    • Koichi Takada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Gas separation membrane
    • Patent number 8,585,806
    • Issue date Nov 19, 2013
    • Hydration Systems, LLC
    • John R. Herron
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Semipermeable hydrophilic membrane
    • Patent number 7,517,581
    • Issue date Apr 14, 2009
    • Parker-Hannifin Corporation
    • John A. Simonetti
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Asymmetric forward osmosis membranes
    • Patent number 7,445,712
    • Issue date Nov 4, 2008
    • Hydration Technologies Inc.
    • Jack Herron
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cellulose compound hollow fiber membrane
    • Patent number 6,632,366
    • Issue date Oct 14, 2003
    • Daicel Chemical Industries, Ltd.
    • Shuji Nakatsuka
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for manufacturing cellulose acetate membranes
    • Patent number 5,505,890
    • Issue date Apr 9, 1996
    • Akzo nv
    • Gustav Duweg
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Cellulose acetate membranes
    • Patent number 5,387,345
    • Issue date Feb 7, 1995
    • Akzo nv
    • Gustav Dunweg
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Cellulose acetate butyrate gas separation membranes
    • Patent number 5,096,468
    • Issue date Mar 17, 1992
    • W. R. Grace & Co.-Conn.
    • Bhupender S. Minhas
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Modified chitin for biocompatible dialysis membranes II and process...
    • Patent number 5,093,486
    • Issue date Mar 3, 1992
    • Akzo N.V.
    • Michael Diamantoglou
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Biocompatible dialysis membrane comprising a mixed polysaccharide e...
    • Patent number 5,087,366
    • Issue date Feb 11, 1992
    • Akzo nv
    • Michael Diamantoglou
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Modified cellulose for biocompatible dialysis membranes II and proc...
    • Patent number 4,981,959
    • Issue date Jan 1, 1991
    • Akzo nv
    • Michael Diamantoglou
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Membrane process for separating methanol from methanol/hydrocarbon...
    • Patent number 4,759,850
    • Issue date Jul 26, 1988
    • Energy, Mines and Resources-Canada
    • Brian A. Farnand
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cellulose derivative reverse osmosis membrane
    • Patent number 4,305,824
    • Issue date Dec 15, 1981
    • Toray Industries, Incorporated
    • Tadahiro Uemura
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Semipermeable membranes from modified polymers
    • Patent number 4,305,823
    • Issue date Dec 15, 1981
    • Ciba-Geigy Corporation
    • Hans Batzer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Modified polymers
    • Patent number 4,249,000
    • Issue date Feb 3, 1981
    • Ciba-Geigy Corporation
    • Hans Batzer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Cellulose derivative reverse osmosis membrane and casting solution...
    • Patent number 4,239,545
    • Issue date Dec 16, 1980
    • Toray Industries, Inc.
    • Tadahiro Uemura
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Micro-porous sheet
    • Patent number 4,171,987
    • Issue date Oct 23, 1979
    • Fuji Photo Film Co., Ltd.
    • Masaru Horiguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Nonbiodegradable polymers
    • Patent number 4,035,457
    • Issue date Jul 12, 1977
    • Chemical Systems Incorporated
    • Robert E. Kesting
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3917777
    • Patent number 3,917,777
    • Issue date Nov 4, 1975
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3872001
    • Patent number 3,872,001
    • Issue date Mar 18, 1975
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents