BRPI0812621A2 - Processo para produzir uma dispersão contendo partículas de celulose ligeiramente oxidada, dispersão contendo partículas de celulose ligeiramente oxidada e partículas de celulose ligeiramente oxidada - Google Patents

Processo para produzir uma dispersão contendo partículas de celulose ligeiramente oxidada, dispersão contendo partículas de celulose ligeiramente oxidada e partículas de celulose ligeiramente oxidada

Info

Publication number
BRPI0812621A2
BRPI0812621A2 BRPI0812621A BRPI0812621A2 BR PI0812621 A2 BRPI0812621 A2 BR PI0812621A2 BR PI0812621 A BRPI0812621 A BR PI0812621A BR PI0812621 A2 BRPI0812621 A2 BR PI0812621A2
Authority
BR
Brazil
Prior art keywords
oxidized cellulose
cellulose particles
slightly oxidized
dispersion containing
producing
Prior art date
Application number
Other languages
English (en)
Inventor
Jürgen Engelhardt
Steffen Fischer
Kay Hettrich
Volker Kriegisch
Christa Maria Krüger
Klaus Nachtkamp
Manfred Pinnow
Original Assignee
Dow Global Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies Inc filed Critical Dow Global Technologies Inc
Publication of BRPI0812621A2 publication Critical patent/BRPI0812621A2/pt
Publication of BRPI0812621B1 publication Critical patent/BRPI0812621B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/04—Oxycellulose; Hydrocellulose
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
BRPI0812621A 2007-08-10 2008-08-08 processo para produzir uma dispersão contendo partículas de celulose ligeiramente oxidada BRPI0812621B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07015803.5A EP2022802B1 (de) 2007-08-10 2007-08-10 Nanopartikel aus geringfügig oxidierter Cellulose
PCT/EP2008/006548 WO2009021688A1 (en) 2007-08-10 2008-08-08 Nanoparticles of slightly oxidized cellulose

Publications (2)

Publication Number Publication Date
BRPI0812621A2 true BRPI0812621A2 (pt) 2015-03-17
BRPI0812621B1 BRPI0812621B1 (pt) 2019-01-15

Family

ID=38616254

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0812621A BRPI0812621B1 (pt) 2007-08-10 2008-08-08 processo para produzir uma dispersão contendo partículas de celulose ligeiramente oxidada

Country Status (6)

Country Link
US (1) US8338494B2 (pt)
EP (1) EP2022802B1 (pt)
JP (1) JP2010535869A (pt)
CN (1) CN101772517B (pt)
BR (1) BRPI0812621B1 (pt)
WO (1) WO2009021688A1 (pt)

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WO2011088889A1 (en) * 2010-01-19 2011-07-28 Södra Skogsägarna Ekonomisk Förening Process for production of oxidised cellulose pulp
EP2546297B1 (en) * 2010-03-09 2016-06-08 Toppan Printing Co., Ltd. Fine cellulose fiber dispersion liquid and manufacturing method thereof, cellulose film and laminate body
JP5440276B2 (ja) * 2010-03-09 2014-03-12 凸版印刷株式会社 セルロースナノファイバーの製造方法、セルロースナノファイバー、及びセルロースナノファイバー分散液
KR101767286B1 (ko) * 2010-03-18 2017-08-10 도판 인사츠 가부시키가이샤 셀룰로오스 분산액 및 그의 제조 방법 및 그것을 이용한 성형체
FI125707B (fi) * 2011-06-09 2016-01-15 Upm Kymmene Corp Menetelmä selluloosan katalyyttiseen hapetukseen ja menetelmä selluloosatuotteen valmistamiseksi
CN103619886B (zh) 2011-06-29 2016-09-14 柯惠Lp公司 氧化纤维素的溶解
US9138489B2 (en) 2012-05-31 2015-09-22 Covidien Lp Oxidized cellulose miczrospheres including visualization agents
US9168227B2 (en) 2012-05-31 2015-10-27 Covidien Lp Multi-encapsulated microspheres made with oxidized cellulose for in-situ reactions
US9271937B2 (en) 2012-05-31 2016-03-01 Covidien Lp Oxidized cellulose microspheres
BR112014031092B1 (pt) 2012-06-13 2022-05-17 University Of Maine System Board Of Trustees Processo para formar nanofibras de celulose a partir de um material celulósico
US9447197B2 (en) 2012-06-28 2016-09-20 Covidien Lp Dissolution of oxidized cellulose and particle preparation by dispersion and neutralization
US10040871B2 (en) 2012-06-28 2018-08-07 Covidien Lp Medical devices based on oxidized cellulose
US9499636B2 (en) 2012-06-28 2016-11-22 Covidien Lp Dissolution of oxidized cellulose and particle preparation by cross-linking with multivalent cations
US9447196B2 (en) 2012-06-28 2016-09-20 Covidien Lp Dissolution of oxidized cellulose and particle preparation by solvent and non-solvent precipitation
FI127526B (en) 2012-11-03 2018-08-15 Upm Kymmene Corp Process for manufacturing nanofibrillar cellulose
US9724213B2 (en) 2012-11-19 2017-08-08 Washington State University Nanocrystalline cellulose materials and methods for their preparation
FI126847B (en) 2012-12-13 2017-06-15 Upm Kymmene Corp Process for catalytic oxidation of cellulose and process for producing a cellulose product
CN104047198B (zh) * 2013-03-14 2016-11-23 金东纸业（江苏）股份有限公司 制备纳米纤维素的方法
US10413566B2 (en) 2013-03-15 2019-09-17 Covidien Lp Thixotropic oxidized cellulose solutions and medical applications thereof
US10328095B2 (en) 2013-03-15 2019-06-25 Covidien Lp Resorbable oxidized cellulose embolization microspheres
US9782430B2 (en) 2013-03-15 2017-10-10 Covidien Lp Resorbable oxidized cellulose embolization solution
CN104099802A (zh) * 2013-04-15 2014-10-15 金东纸业（江苏）股份有限公司 造纸工艺
CN104099803A (zh) * 2013-04-15 2014-10-15 金东纸业（江苏）股份有限公司 造纸工艺
FI128835B (en) 2013-05-14 2021-01-15 Upm Kymmene Corp Method and apparatus for producing nanofibril cellulose
FI127002B (en) 2013-07-29 2017-09-15 Upm Kymmene Corp Process for catalytic oxidation of cellulose and process for manufacturing cellulose product
FI127246B (en) 2013-09-02 2018-02-15 Upm Kymmene Corp Process for the catalytic oxidation of cellulose and process for the manufacture of a cellulose product
JP6253925B2 (ja) * 2013-09-04 2017-12-27 国立大学法人北陸先端科学技術大学院大学 多糖類の分解方法、細胞培養用担体、マイクロ粒子
ES2910499T3 (es) * 2013-09-06 2022-05-12 Billerudkorsnaes Ab Películas de barrera contra el oxígeno y el vapor de agua con baja sensibilidad a la humedad fabricadas con celulosa fibrilada autorreticulada
US10449152B2 (en) 2014-09-26 2019-10-22 Covidien Lp Drug loaded microspheres for post-operative chronic pain
CN104452436B (zh) * 2014-10-16 2018-10-19 南京林业大学 一种纳米纤维素分散剂及其制备方法和应用
KR101715085B1 (ko) * 2014-11-28 2017-03-22 한국화학연구원 셀룰로오스 나노 결정체의 제조방법 및 이에 따라 제조되는 셀룰로오스 나노 결정체
NO343188B1 (en) 2015-05-29 2018-11-26 Elkem Materials A fluid for use in enhanced oil recovery, containing nanofibrillated cellulose as viscosity modifier
CN105568730A (zh) * 2015-12-21 2016-05-11 同济大学 一种可再生纳米纤维素的制备方法
KR101776572B1 (ko) * 2016-07-04 2017-09-26 한국화학연구원 음이온성 나노셀룰로오스 응집제의 제조방법
CN106894279A (zh) * 2017-02-20 2017-06-27 于银强 混合浆造纸工艺
EP3856139A1 (de) 2018-09-24 2021-08-04 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. MAßGESCHNEIDERTE SCHICHTEN AUS CELLULOSE-DISPERSIONEN ZUM NACHWEIS VON ANALYTEN

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US5414079A (en) * 1993-08-03 1995-05-09 Biocontrol Incorporated Oxidized cellulose
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CN1164617C (zh) * 2002-05-27 2004-09-01 中国科学院广州化学研究所 一种表面改性的纳米纤维素晶体及其制法
CN1267486C (zh) 2003-06-16 2006-08-02 东华大学 一种纳米级纤维素颗粒的制备方法
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JP4998981B2 (ja) * 2006-06-20 2012-08-15 国立大学法人 東京大学 微細セルロース繊維
GB0908401D0 (en) * 2009-05-15 2009-06-24 Imerys Minerals Ltd Paper filler composition

Also Published As

Publication number Publication date
EP2022802A1 (de) 2009-02-11
WO2009021688A1 (en) 2009-02-19
US20110198533A1 (en) 2011-08-18
CN101772517B (zh) 2012-06-27
CN101772517A (zh) 2010-07-07
EP2022802B1 (de) 2017-03-22
JP2010535869A (ja) 2010-11-25
US8338494B2 (en) 2012-12-25
BRPI0812621B1 (pt) 2019-01-15

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 15/01/2019, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2682 DE 31-05-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.