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  • CPC
  • C08B3/28
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CCHEMISTRY METALLURGY C08Organic compounds C08BPOLYSACCHARIDES DERIVATIVES THEREOF C08B3/00Preparation of cellulose esters of organic acids

Current Industry

C08B3/28by precipitation
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Cellulose-containing materials
    • Patent number 11,866,519
    • Issue date Jan 9, 2024
    • Wool Research Organisation of New Zealand Incorporated
    • Mirshahin Seyed Saleh
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Acylation process
    • Patent number 10,889,654
    • Issue date Jan 12, 2021
    • SOLVAY ACETOW GmbH
    • Andreas Hummel
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cellulose acetate with a low degree of substitution
    • Patent number 10,703,825
    • Issue date Jul 7, 2020
    • Daicel Corporation
    • Shizuka Ukita
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Regioselectively substituted cellulose esters produced in a carboxy...
    • Patent number 10,174,129
    • Issue date Jan 8, 2019
    • Eastman Chemical Company
    • Charles Michael Buchanan
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Regioselectively substituted cellulose esters produced in a carboxy...
    • Patent number 9,834,516
    • Issue date Dec 5, 2017
    • Eastman Chemical Company
    • Charles Michael Buchanan
    • G02 - OPTICS
  • Information Patent Grant

    Cellulose ester microparticles and process for making the same
    • Patent number 5,064,949
    • Issue date Nov 12, 1991
    • Hoechst Celanese Corporation
    • Thomas L. Steiner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for making cellulose ester microparticles
    • Patent number 5,047,180
    • Issue date Sep 10, 1991
    • Hoechst Celanese Corporation
    • Thomas L. Steiner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of water soluble cellulose acetate microspheres
    • Patent number 4,997,599
    • Issue date Mar 5, 1991
    • Celanese Fibers Inc.
    • Thomas L. Steiner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Water soluble cellulose acetate microspheres
    • Patent number 4,888,420
    • Issue date Dec 19, 1989
    • Celanese Fibers, Inc.
    • Thomas L. Steiner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Direct precipitation method for producing extrusion-grade cellulose...
    • Patent number 4,228,276
    • Issue date Oct 14, 1980
    • Eastman Kodak Company
    • Chung-Ming Kuo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3816150
    • Patent number 3,816,150
    • Issue date Jun 11, 1974
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3557083
    • Patent number 3,557,083
    • Issue date Jan 19, 1971
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3525734
    • Patent number 3,525,734
    • Issue date Aug 25, 1970
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3505299
    • Patent number 3,505,299
    • Issue date Apr 7, 1970
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3498812
    • Patent number 3,498,812
    • Issue date Mar 3, 1970
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    3493992
    • Patent number 3,493,992
    • Issue date Feb 10, 1970
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3414640
    • Patent number 3,414,640
    • Issue date Dec 3, 1968
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3332937
    • Patent number 3,332,937
    • Issue date Jul 25, 1967
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3331099
    • Patent number 3,331,099
    • Issue date Jul 18, 1967
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3278041
    • Patent number 3,278,041
    • Issue date Oct 11, 1966
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3242038
    • Patent number 3,242,038
    • Issue date Mar 22, 1966
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    3067463
    • Patent number 3,067,463
    • Issue date Dec 11, 1962
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2939177
    • Patent number 2,939,177
    • Issue date Jun 7, 1960
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2925413
    • Patent number 2,925,413
    • Issue date Feb 16, 1960
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2925412
    • Patent number 2,925,412
    • Issue date Feb 16, 1960
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2891946
    • Patent number 2,891,946
    • Issue date Jun 23, 1959
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2852508
    • Patent number 2,852,508
    • Issue date Sep 16, 1958
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2824098
    • Patent number 2,824,098
    • Issue date Feb 18, 1958
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2816888
    • Patent number 2,816,888
    • Issue date Dec 17, 1957
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2772267
    • Patent number 2,772,267
    • Issue date Nov 27, 1956
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    CELLULOSE-CONTAINING MATERIALS
    • Publication number 20230340161
    • Publication date Oct 26, 2023
    • Mirshahin Seyed Saleh
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    CELLULOSE ACETATE AND METHOD FOR PRODUCING CELLULOSE ACETATE
    • Publication number 20220227891
    • Publication date Jul 21, 2022
    • DAICEL CORPORATION
    • Shuuji YOSHIOKA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CELLULOSE-CONTAINING MATERIALS
    • Publication number 20210269554
    • Publication date Sep 2, 2021
    • Wool Research Organisation of New Zealand Incorporated
    • Mirshahin Seyed Saleh
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING CELLULOSE ACETATE FLAKES
    • Publication number 20190389977
    • Publication date Dec 26, 2019
    • DAICEL CORPORATION
    • Ikuhiro SUZUKI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Acylation Process
    • Publication number 20160237172
    • Publication date Aug 18, 2016
    • SOLVAY ACETOW GMBH
    • Andreas HUMMEL
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS PRODUCED IN A CARBOXY...
    • Publication number 20120101269
    • Publication date Apr 26, 2012
    • Eastman Chemical Company
    • Charles Michael Buchanan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS PRODUCED IN A CARBOXY...
    • Publication number 20100029927
    • Publication date Feb 4, 2010
    • Eastman Chemical Company
    • Charles Michael Buchanan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...