DE4027479A1 - Verfahren zur herstellung von cellulose-membranen aus bakteriell erzeugter cellulose - Google Patents

Verfahren zur herstellung von cellulose-membranen aus bakteriell erzeugter cellulose

Info

Publication number
DE4027479A1
DE4027479A1 DE19904027479 DE4027479A DE4027479A1 DE 4027479 A1 DE4027479 A1 DE 4027479A1 DE 19904027479 DE19904027479 DE 19904027479 DE 4027479 A DE4027479 A DE 4027479A DE 4027479 A1 DE4027479 A1 DE 4027479A1
Authority
DE
Germany
Prior art keywords
cellulose
bacteria
morphologically
membranes
layers
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19904027479
Other languages
German (de)
English (en)
Other versions
DE4027479C2 (no
Inventor
Anneliese Groebe
Horst Chmiel
Heinrich Strathmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Priority to DE19904027479 priority Critical patent/DE4027479A1/de
Publication of DE4027479A1 publication Critical patent/DE4027479A1/de
Application granted granted Critical
Publication of DE4027479C2 publication Critical patent/DE4027479C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • 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
    • B01D71/10—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
DE19904027479 1989-09-04 1990-08-30 Verfahren zur herstellung von cellulose-membranen aus bakteriell erzeugter cellulose Granted DE4027479A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19904027479 DE4027479A1 (de) 1989-09-04 1990-08-30 Verfahren zur herstellung von cellulose-membranen aus bakteriell erzeugter cellulose

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3929369 1989-09-04
DE19904027479 DE4027479A1 (de) 1989-09-04 1990-08-30 Verfahren zur herstellung von cellulose-membranen aus bakteriell erzeugter cellulose

Publications (2)

Publication Number Publication Date
DE4027479A1 true DE4027479A1 (de) 1991-03-14
DE4027479C2 DE4027479C2 (no) 1992-01-16

Family

ID=25884757

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904027479 Granted DE4027479A1 (de) 1989-09-04 1990-08-30 Verfahren zur herstellung von cellulose-membranen aus bakteriell erzeugter cellulose

Country Status (1)

Country Link
DE (1) DE4027479A1 (no)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3572043A1 (en) 2018-05-23 2019-11-27 Biotronik Ag Medical implant with seamlessly connected bacterial cellulose
US10709820B2 (en) 2014-11-24 2020-07-14 Biotronik Ag Method for producing a storable molded body made of bacterial cellulose
WO2021130299A1 (de) * 2019-12-23 2021-07-01 Kim Köster & Cord Henning Labuhn Gbr Verfahren zur herstellung eines vlieses aus bakterieller nanocellulose
CN115999385A (zh) * 2023-02-09 2023-04-25 西北农林科技大学 一种基于纳米纤维多孔结构可控的细菌纤维素超滤膜的制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004002990A1 (de) * 2004-01-21 2005-08-18 Robert Dr. Simmoteit Material und Verfahren zum Stoffaustausch und Stofftransfer
DE102009024133A1 (de) * 2009-06-04 2010-12-09 Jenpolymer Materials Ltd. & Co. Kg Bakterielle Nanocellulose zur Knorpelneubildung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS ERMITTELT *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10709820B2 (en) 2014-11-24 2020-07-14 Biotronik Ag Method for producing a storable molded body made of bacterial cellulose
EP3572043A1 (en) 2018-05-23 2019-11-27 Biotronik Ag Medical implant with seamlessly connected bacterial cellulose
US11298225B2 (en) 2018-05-23 2022-04-12 Biotronik Ag Medical implant with seamlessly connected bacterial cellulose
WO2021130299A1 (de) * 2019-12-23 2021-07-01 Kim Köster & Cord Henning Labuhn Gbr Verfahren zur herstellung eines vlieses aus bakterieller nanocellulose
CN115999385A (zh) * 2023-02-09 2023-04-25 西北农林科技大学 一种基于纳米纤维多孔结构可控的细菌纤维素超滤膜的制备方法

Also Published As

Publication number Publication date
DE4027479C2 (no) 1992-01-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee