IT1144925B - Fibre cave di chitosano e procedimento per il loro ottenimento - Google Patents

Fibre cave di chitosano e procedimento per il loro ottenimento

Info

Publication number
IT1144925B
IT1144925B IT24398/81A IT2439881A IT1144925B IT 1144925 B IT1144925 B IT 1144925B IT 24398/81 A IT24398/81 A IT 24398/81A IT 2439881 A IT2439881 A IT 2439881A IT 1144925 B IT1144925 B IT 1144925B
Authority
IT
Italy
Prior art keywords
chitosan
quarry
fibers
procedure
obtaining
Prior art date
Application number
IT24398/81A
Other languages
English (en)
Other versions
IT8124398A0 (it
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
Priority to IT24398/81A priority Critical patent/IT1144925B/it
Publication of IT8124398A0 publication Critical patent/IT8124398A0/it
Priority to NO823283A priority patent/NO823283L/no
Priority to EP82201242A priority patent/EP0077098B1/en
Priority to AT82201242T priority patent/ATE18358T1/de
Priority to DE8282201242T priority patent/DE3269660D1/de
Priority to US06/433,282 priority patent/US4464321A/en
Priority to ES516784A priority patent/ES516784A0/es
Priority to JP57176484A priority patent/JPS5875560A/ja
Application granted granted Critical
Publication of IT1144925B publication Critical patent/IT1144925B/it

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 & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (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)
IT24398/81A 1981-10-08 1981-10-08 Fibre cave di chitosano e procedimento per il loro ottenimento IT1144925B (it)

Priority Applications (8)

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
NO823283A NO823283L (no) 1981-10-08 1982-09-29 Fibre og fremgangsmaate for deres fremstilling.
EP82201242A EP0077098B1 (en) 1981-10-08 1982-10-06 Hollow chitosan fibres, and the process for their preparation
AT82201242T ATE18358T1 (de) 1981-10-08 1982-10-06 Chitosan-hohlfasern, und verfahren zu deren herstellung.
DE8282201242T DE3269660D1 (en) 1981-10-08 1982-10-06 Hollow chitosan fibres, and the process for their preparation
US06/433,282 US4464321A (en) 1981-10-08 1982-10-07 Process for the preparation of chitosan fibers
ES516784A ES516784A0 (es) 1981-10-08 1982-10-08 "procedimiento para la obtencion de fibras huecas de quitosano".
JP57176484A JPS5875560A (ja) 1981-10-08 1982-10-08 限外「ろ」過および透析用キトサン中空繊維およびその製法

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8124398A0 IT8124398A0 (it) 1981-10-08
IT1144925B true IT1144925B (it) 1986-10-29

Family

ID=11213389

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24398/81A IT1144925B (it) 1981-10-08 1981-10-08 Fibre cave di chitosano e procedimento per il loro ottenimento

Country Status (8)

Country Link
US (1) US4464321A (it)
EP (1) EP0077098B1 (it)
JP (1) JPS5875560A (it)
AT (1) ATE18358T1 (it)
DE (1) DE3269660D1 (it)
ES (1) ES516784A0 (it)
IT (1) IT1144925B (it)
NO (1) NO823283L (it)

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
US4861527A (en) * 1986-12-16 1989-08-29 Delucca George V High strength chitosan fibers and fabrics thereof
US4833238A (en) * 1986-12-16 1989-05-23 E. I. Du Pont De Nemours And Company High strength fibers from chitin derivatives
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
US7033603B2 (en) * 1999-08-06 2006-04-25 Board Of Regents The University Of Texas Drug releasing biodegradable fiber for delivery of therapeutics
CA2379909C (en) * 1999-08-06 2011-01-04 Board Of Regents, The University Of Texas System Drug releasing biodegradable fiber implant
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
US8877170B2 (en) 2009-02-21 2014-11-04 Sofradim Production Medical device with inflammatory response-reducing coating
WO2010095057A1 (en) 2009-02-21 2010-08-26 Sofradim Production Fibers with an activated surface and method of making same by extrusion
US8663689B2 (en) 2009-02-21 2014-03-04 Sofradim Production Functionalized adhesive medical gel
US9039979B2 (en) 2009-02-21 2015-05-26 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
US8956603B2 (en) 2009-02-21 2015-02-17 Sofradim Production Amphiphilic compounds and self-assembling compositions made therefrom
CA2753179A1 (en) 2009-02-21 2010-08-26 Sofradim Production Crosslinked fibers and method of making same by extrusion
EP2398524B1 (en) 2009-02-21 2017-07-12 Covidien LP Medical devices having activated surfaces
CA2753171A1 (en) 2009-02-21 2010-08-26 Sofradim Production Crosslinked fibers and method of making same using uv radiation
WO2010095050A1 (en) 2009-02-21 2010-08-26 Sofradim Production Crosslinked fibers and method of making same using transition metal ions
EP2398584A2 (en) 2009-02-21 2011-12-28 Sofradim Production Apparatus and method of reaching polymers by exposure to uv radiation to produce injectable medical devices
WO2010095052A2 (en) 2009-02-21 2010-08-26 Sofradim Production Compounds and medical devices activated with solvophobic linkers
US8512728B2 (en) 2009-02-21 2013-08-20 Sofradim Production Method of forming a medical device on biological tissue
US8968733B2 (en) 2009-02-21 2015-03-03 Sofradim Production Functionalized surgical adhesives
US9273191B2 (en) 2009-02-21 2016-03-01 Sofradim Production Medical devices with an activated coating
EP2398523B1 (en) 2009-02-21 2018-04-04 Covidien LP Medical devices having activated surfaces
US8795331B2 (en) 2010-03-25 2014-08-05 Covidien Lp Medical devices incorporating functional adhesives
CA2794336A1 (en) 2010-03-25 2011-09-29 Sofradim Production Surgical fasteners and methods for sealing wounds
EP2588525A4 (en) 2010-06-29 2015-06-10 Covidien Lp MICROWAVE POWERED REACTOR AND IN SITU IMPLANT TRAINING METHOD
US8865857B2 (en) 2010-07-01 2014-10-21 Sofradim Production Medical device with predefined activated cellular integration
WO2012014080A2 (en) 2010-07-27 2012-02-02 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
EP4687476A1 (en) 2023-04-06 2026-02-11 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 (it) * 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
NO823283L (no) 1983-04-11
US4464321A (en) 1984-08-07
DE3269660D1 (en) 1986-04-10
EP0077098B1 (en) 1986-03-05
JPS5875560A (ja) 1983-05-07
EP0077098A3 (en) 1984-05-02
EP0077098A2 (en) 1983-04-20
IT8124398A0 (it) 1981-10-08
ATE18358T1 (de) 1986-03-15
ES8308891A1 (es) 1983-10-01
ES516784A0 (es) 1983-10-01

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