ATE18358T1 - Chitosan-hohlfasern, und verfahren zu deren herstellung. - Google Patents

Chitosan-hohlfasern, und verfahren zu deren herstellung.

Info

Publication number
ATE18358T1
ATE18358T1 AT82201242T AT82201242T ATE18358T1 AT E18358 T1 ATE18358 T1 AT E18358T1 AT 82201242 T AT82201242 T AT 82201242T AT 82201242 T AT82201242 T AT 82201242T AT E18358 T1 ATE18358 T1 AT E18358T1
Authority
AT
Austria
Prior art keywords
production
hollow fibers
coagulant
chitosan
fibres
Prior art date
Application number
AT82201242T
Other languages
English (en)
Inventor
Francesco Pittalis
Francesco Bartoli
Guido Giovannoni
Original Assignee
Anic Spa
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 Anic Spa filed Critical Anic Spa
Application granted granted Critical
Publication of ATE18358T1 publication Critical patent/ATE18358T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • 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
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular

Landscapes

  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Artificial Filaments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT82201242T 1981-10-08 1982-10-06 Chitosan-hohlfasern, und verfahren zu deren herstellung. ATE18358T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT24398/81A IT1144925B (it) 1981-10-08 1981-10-08 Fibre cave di chitosano e procedimento per il loro ottenimento
EP82201242A EP0077098B1 (de) 1981-10-08 1982-10-06 Chitosan-Hohlfasern, und Verfahren zu deren Herstellung

Publications (1)

Publication Number Publication Date
ATE18358T1 true ATE18358T1 (de) 1986-03-15

Family

ID=11213389

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82201242T ATE18358T1 (de) 1981-10-08 1982-10-06 Chitosan-hohlfasern, und verfahren zu deren herstellung.

Country Status (8)

Country Link
US (1) US4464321A (de)
EP (1) EP0077098B1 (de)
JP (1) JPS5875560A (de)
AT (1) ATE18358T1 (de)
DE (1) DE3269660D1 (de)
ES (1) ES8308891A1 (de)
IT (1) IT1144925B (de)
NO (1) NO823283L (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8401912A (nl) * 1984-06-15 1986-01-02 Tno Met aktieve stof beladen biodegradeerbare polymeersubstraten, geschikt voor het gecontroleerd afgeven van de aktieve stof door middel van een membraan.
SE8501111L (sv) * 1985-03-07 1986-03-03 Gambro Dialysatoren Sett att framstella en semipermeabel halfiber
US4833238A (en) * 1986-12-16 1989-05-23 E. I. Du Pont De Nemours And Company High strength fibers from chitin derivatives
US4861527A (en) * 1986-12-16 1989-08-29 Delucca George V High strength chitosan fibers and fabrics thereof
JPH02135134A (ja) * 1988-11-16 1990-05-24 Katokichi:Kk 水・アルコール混合液分離用膜
FI924408A0 (fi) * 1992-09-30 1992-09-30 Novasso Oy Modifierade viskosfibrer och foerfarande foer dess framstaellning.
DE4303415C2 (de) * 1993-02-05 1997-05-28 Adolf Riedl Emulsion enthaltend Chitosan
CN1378445B (zh) 1999-08-06 2013-02-06 得克萨斯系统大学评议会 药物释放生物可降解纤维植入物
US7033603B2 (en) * 1999-08-06 2006-04-25 Board Of Regents The University Of Texas Drug releasing biodegradable fiber for delivery of therapeutics
FR2860007A1 (fr) * 2003-09-18 2005-03-25 Europlak Procede de filage du chitosane, dispositif de mis en oeuvre de ce procede, fil de chitosane obtenu, et utilisation dudit fil
FR2920786B1 (fr) * 2007-09-07 2010-09-10 Univ Claude Bernard Lyon Fibres creuses, notamment multi membranaires, leur procede de preparation par filage et dispositif pour la mise en oeuvre dudit procede
WO2009035414A1 (en) * 2007-09-10 2009-03-19 National University Of Singapore Chitosan construct and method of preparing the same
US8034396B2 (en) 2008-04-01 2011-10-11 Tyco Healthcare Group Lp Bioadhesive composition formed using click chemistry
FR2942242B1 (fr) * 2009-02-17 2011-06-03 Laboratoire Tetra Medical Procede d'obtention d'un element longiforme de polysaccharide, notamment un fil de chitosane et fil de polysaccharide obtenu
US9523159B2 (en) 2009-02-21 2016-12-20 Covidien Lp Crosslinked fibers and method of making same using UV radiation
WO2010095053A2 (en) 2009-02-21 2010-08-26 Sofradim Production Apparatus and method of reaching polymers by exposure to uv radiation to produce injectable medical devices
AU2010215194A1 (en) 2009-02-21 2011-10-13 Sofradim Production Apparatus and method of reacting polymers passing through metal ion chelated resin matrix to produce injectable medical devices
US8535477B2 (en) 2009-02-21 2013-09-17 Sofradim Production Medical devices incorporating functional adhesives
US8663689B2 (en) 2009-02-21 2014-03-04 Sofradim Production Functionalized adhesive medical gel
WO2010095049A1 (en) 2009-02-21 2010-08-26 Sofradim Production Crosslinked fibers and method of making same by extrusion
US8968733B2 (en) 2009-02-21 2015-03-03 Sofradim Production Functionalized surgical adhesives
US8877170B2 (en) 2009-02-21 2014-11-04 Sofradim Production Medical device with inflammatory response-reducing coating
EP2398519A2 (de) 2009-02-21 2011-12-28 Sofradim Production Verbindungen und mit solvophoben linkern aktivierte medizinische vorrichtungen
US20120021217A1 (en) 2009-02-21 2012-01-26 Ahmed Robert Hadba Fibers with an activated surface and method of making same by extrusion
EP2398524B1 (de) 2009-02-21 2017-07-12 Covidien LP Medizinische vorrichtungen mit aktivierten oberflächen
US9273191B2 (en) 2009-02-21 2016-03-01 Sofradim Production Medical devices with an activated coating
WO2010095050A1 (en) 2009-02-21 2010-08-26 Sofradim Production Crosslinked fibers and method of making same using transition metal ions
US8512728B2 (en) 2009-02-21 2013-08-20 Sofradim Production Method of forming a medical device on biological tissue
WO2010096649A1 (en) 2009-02-21 2010-08-26 Tyco Healthcare Group Lp Medical devices having activated surfaces
AU2010215192B2 (en) 2009-02-21 2015-04-30 Sofradim Production Amphiphilic compounds and self-assembling compositions made therefrom
EP2550031B1 (de) 2010-03-25 2015-08-19 Sofradim Production Medizinische vorrichtungen mit funktionellen klebstoffen
CA2794336A1 (en) 2010-03-25 2011-09-29 Sofradim Production Surgical fasteners and methods for sealing wounds
EP2588525A4 (de) 2010-06-29 2015-06-10 Covidien Lp Mikrowellengesteuerter reaktor und verfahren zur in-situ-formung von implantaten
US8865857B2 (en) 2010-07-01 2014-10-21 Sofradim Production Medical device with predefined activated cellular integration
AU2011284449B2 (en) 2010-07-27 2015-07-23 Sofradim Production Polymeric fibers having tissue reactive members
CZ304651B6 (cs) 2012-05-11 2014-08-20 Contipro Biotech S.R.O. Způsob přípravy mikrovláken, způsob výroby krytů ran, kryty ran a zařízení pro přípravu polysacharidových vláken
US9775928B2 (en) 2013-06-18 2017-10-03 Covidien Lp Adhesive barbed filament
CN103409849B (zh) * 2013-07-15 2015-08-12 东华大学 一种以复合离子液体为溶剂制备壳聚糖中空纤维膜的方法
AU2024250517A1 (en) 2023-04-06 2025-10-30 Ip Ventures Gmbh Hollow fibres

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794731A (en) * 1972-04-21 1974-02-26 Gen Mills Inc Protein fiber fabrication process
JPS5241797B2 (de) * 1974-04-05 1977-10-20
US4029727A (en) * 1975-04-16 1977-06-14 The University Of Delaware Chitin films and fibers
GB1566581A (en) * 1975-12-29 1980-05-08 Nippon Zeon Co Hollow fibres and methods of manufacturing such fibres
FR2372251A1 (fr) * 1976-11-26 1978-06-23 Rhone Poulenc Textile Nouveau procede de filage ou mise en forme de solutions de cellulose et articles ainsi obtenus
JPS6025525B2 (ja) * 1977-09-12 1985-06-19 三菱レイヨン株式会社 中空繊維状膜及びその製造方法
US4309534A (en) * 1979-02-15 1982-01-05 University Of Delaware Renatured chitosan and process of making same
JPS5626049A (en) * 1979-08-06 1981-03-13 Mitsubishi Rayon Co Chitine or chitine derivative nonwoven fabric and method
JPS5661401A (en) * 1979-10-24 1981-05-26 Kureha Chem Ind Co Ltd Novel molding compound
US4378017A (en) * 1980-03-21 1983-03-29 Kureha Kagaku Kogyo Kabushiki Kaisha Composite material of de-N-acetylated chitin and fibrous collagen

Also Published As

Publication number Publication date
JPS5875560A (ja) 1983-05-07
US4464321A (en) 1984-08-07
ES516784A0 (es) 1983-10-01
IT1144925B (it) 1986-10-29
ES8308891A1 (es) 1983-10-01
IT8124398A0 (it) 1981-10-08
NO823283L (no) 1983-04-11
EP0077098A3 (en) 1984-05-02
EP0077098B1 (de) 1986-03-05
DE3269660D1 (en) 1986-04-10
EP0077098A2 (de) 1983-04-20

Similar Documents

Publication Publication Date Title
ATE18358T1 (de) Chitosan-hohlfasern, und verfahren zu deren herstellung.
JPS5724606A (en) Dialytic film consisting of regenerated cellulose in form of plane film. tubular film or hollow fiber and its manufacture
JPS5237830A (en) Polyvinyl alcohol hollow fibers for dialysis
ATA678979A (de) Mischfasern auf basis regenerierter cellulose von hoher saugfaehigkeit und hohem fluessigkeits- rueckhaltevermoegen, verfahren zu deren herstellung sowie deren verwendung
SE8008813L (sv) Semipermeabel cellulosahalfiber och sett att framstella den
JPS5562214A (en) Production of hollow fiber membrane
ES460789A1 (es) Procedimiento de conformado de soluciones de celulosa.
ES2184062T3 (es) Fabricacion de viscosa y de articulos de viscosa.
GB1052621A (de)
JPS5335017A (en) Production of viscose rayon fibers
GB1338810A (en) Grafted hollow fibres
JPS54147220A (en) Acrylonitrile fiber containing copper compound
JPS57149509A (en) Preparation of hollow separating membrane
AT339466B (de) Selbstverloschende faden und fasern aus modacrylpolymerisaten sowie verfahren zu ihrer herstellung
JPS5685414A (en) Wet molding method for molded cellulose acetate article
IT7919417A0 (it) Processo per la preparazione di fili, fibre e fogli secondo il processo alla viscosa.
GB1240560A (en) Process for the manufacture of dialysis membranes of plasticised regenerated cellulose from viscose
JPS5263422A (en) Production of hollow cuprammonium cellulose fiber
JPS5580516A (en) Regenerated cellulose hollow fiber
JPS5225118A (en) High shrinkage copolyester fiber and its preparation
BR7303332D0 (pt) Aperfeicoamento em um processo para a preparacao de artigos moldados, como filamentos, fibras curtas ou peliculas de acetato de celulose e fibras de ester de celulose produzidas pelo dito processo
JPS53119322A (en) Production of acrylic fibers
JPS5335018A (en) Production of viscose rayon fibers
CH411213A (de) Verfahren zur Herstellung eines verzugsfähigen spinnbaren Stapelfaserbandes und Anlage zur Durchführung des Verfahrens, sowie ein verzugsfähiges spinnbares Stapelfaserband
GB2016472A (en) Film and fibre forming solutions of cellulose derivatives

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties