SE8500623L - Forbettrad kapselmembranframstellningsteknik - Google Patents

Forbettrad kapselmembranframstellningsteknik

Info

Publication number
SE8500623L
SE8500623L SE8500623A SE8500623A SE8500623L SE 8500623 L SE8500623 L SE 8500623L SE 8500623 A SE8500623 A SE 8500623A SE 8500623 A SE8500623 A SE 8500623A SE 8500623 L SE8500623 L SE 8500623L
Authority
SE
Sweden
Prior art keywords
membrane
contacting
gelled
masses
capsules
Prior art date
Application number
SE8500623A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE8500623D0 (sv
Inventor
W-G Tsang
A W Shyr
Original Assignee
Damon Biotech 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 Damon Biotech Inc filed Critical Damon Biotech Inc
Publication of SE8500623D0 publication Critical patent/SE8500623D0/xx
Publication of SE8500623L publication Critical patent/SE8500623L/

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5073—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/20—After-treatment of capsule walls, e.g. hardening
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/0012—Cell encapsulation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/10—Cells modified by introduction of foreign genetic material
    • C12N5/12—Fused cells, e.g. hybridomas
    • C12N5/16—Animal cells
    • C12N5/163—Animal cells one of the fusion partners being a B or a T lymphocyte
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2533/00—Supports or coatings for cell culture, characterised by material
    • C12N2533/70—Polysaccharides
    • C12N2533/74—Alginate

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Zoology (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Wood Science & Technology (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Cell Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Microbiology (AREA)
  • Immunology (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
SE8500623A 1984-02-13 1985-02-12 Forbettrad kapselmembranframstellningsteknik SE8500623L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/579,494 US4663286A (en) 1984-02-13 1984-02-13 Encapsulation of materials

Publications (2)

Publication Number Publication Date
SE8500623D0 SE8500623D0 (sv) 1985-02-12
SE8500623L true SE8500623L (sv) 1985-08-14

Family

ID=24317126

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8500623A SE8500623L (sv) 1984-02-13 1985-02-12 Forbettrad kapselmembranframstellningsteknik

Country Status (14)

Country Link
US (1) US4663286A (da)
JP (1) JPS60190229A (da)
AU (1) AU572609B2 (da)
BE (1) BE901704A (da)
CA (1) CA1238273A (da)
CH (1) CH665137A5 (da)
DE (1) DE3504724C2 (da)
DK (1) DK65285A (da)
FR (1) FR2559502B1 (da)
GB (1) GB2153780B (da)
IT (1) IT1184885B (da)
NL (1) NL8500352A (da)
NO (1) NO850535L (da)
SE (1) SE8500623L (da)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
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EP0127989A3 (en) * 1983-06-01 1986-03-26 Connaught Laboratories Limited Microencapsulation of living tissue and cells
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US4680174A (en) * 1984-05-24 1987-07-14 Damon Biotech, Inc. Induction of immune response by immunization with encapsulated antigen-producing cells
US4871671A (en) * 1985-04-29 1989-10-03 Minnesota Mining And Manufacturing Company Immobilization of biological cells in polytetrafluoroethylene matrix
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US4923645A (en) * 1987-11-16 1990-05-08 Damon Biotech, Inc. Sustained release of encapsulated molecules
US5605835A (en) * 1988-05-23 1997-02-25 Regents Of The University Of Minnesota Bioreactor device with application as a bioartificial liver
US5389532A (en) * 1988-07-07 1995-02-14 Champagne Moet & Chandon Process of producing a dehydrated polysaccharide gel containing microorganisms for preparing fermented drinks
IL92966A (en) * 1989-01-12 1995-07-31 Pfizer Dispensing devices powered by hydrogel
WO1990010063A1 (en) * 1989-02-21 1990-09-07 Biosys Method and medium for packaging entomogenous nematodes
DE3908997A1 (de) * 1989-03-18 1990-09-20 Huels Chemische Werke Ag Verfahren zur herstellung immobilisierter hefen fuer die sektgaerung
WO1991001720A1 (en) * 1989-08-07 1991-02-21 Herman Wade Schlameus Composition and method of promoting hard tissue healing
US5190041A (en) * 1989-08-11 1993-03-02 Palti Yoram Prof System for monitoring and controlling blood glucose
US5101814A (en) * 1989-08-11 1992-04-07 Palti Yoram Prof System for monitoring and controlling blood glucose
EP0502949A4 (en) * 1989-12-05 1993-02-24 Trancel Corporation Homologous guluronic acid alginate coating composition for in-vivo application and implantation and method of using same
US5459054A (en) * 1989-12-05 1995-10-17 Neocrin Company Cells encapsulated in alginate containing a high content of a- l- guluronic acid
WO1991009119A1 (en) * 1989-12-13 1991-06-27 Trancel Corporation Improved alginate microcapsules, methods of making and using same
US5084350A (en) * 1990-02-16 1992-01-28 The Royal Institution For The Advance Of Learning (Mcgill University) Method for encapsulating biologically active material including cells
DK0454044T3 (da) * 1990-04-25 1996-04-22 Hoechst Ag Farmakologisk præparat indeholdende polyelektrolytkomplekser på mikropartikelform og mindst et virksomt stof
US5227298A (en) * 1990-08-17 1993-07-13 The Trustees Of Columbia University In The City Of New York Method for microencapuslation of cells or tissue
US5462990A (en) * 1990-10-15 1995-10-31 Board Of Regents, The University Of Texas System Multifunctional organic polymers
US5410016A (en) * 1990-10-15 1995-04-25 Board Of Regents, The University Of Texas System Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers
US5380536A (en) 1990-10-15 1995-01-10 The Board Of Regents, The University Of Texas System Biocompatible microcapsules
US5626863A (en) * 1992-02-28 1997-05-06 Board Of Regents, The University Of Texas System Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers
FR2673122B1 (fr) * 1991-02-25 1994-09-09 Moet & Chandon Gel ionotrope deficient en entite ionique de gelification, procede de preparation d'un tel gel et utilisation de celui-ci notamment dans un procede d'elaboration de vin effervescent.
US5800829A (en) * 1991-04-25 1998-09-01 Brown University Research Foundation Methods for coextruding immunoisolatory implantable vehicles with a biocompatible jacket and a biocompatible matrix core
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WO1994015589A1 (en) * 1992-12-30 1994-07-21 Clover Consolidated, Limited Cytoprotective, biocompatible, retrievable macrocapsule containment systems for biologically active materials
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US5170744A (en) * 1991-12-13 1992-12-15 Biosys Corporation Long-term storage of infective juvenile nematodes in pseudoplastic layers
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NZ249770A (en) 1992-02-28 1996-09-25 Univ Texas Biodegradable, polymerisable, substantially water soluble macromer comprising at least one water soluble region, at least one degradable region and at least two free radical polymerisable regions separated by at least one degradable region
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US5429821A (en) * 1992-05-29 1995-07-04 The Regents Of The University Of California Non-fibrogenic high mannuronate alginate coated transplants, processes for their manufacture, and methods for their use
ATE207727T1 (de) * 1992-05-29 2001-11-15 Univ California Beschichtetes transplantat sowie herstellungsverfahren dafür
US5643594A (en) * 1992-05-29 1997-07-01 The Regents Of The University Of California Spin encapsulation apparatus and method of use
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US5521079A (en) * 1994-01-24 1996-05-28 The Regents Of The University Of California Microcapsule generating system containing an air knife and method of encapsulating
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US5876742A (en) * 1994-01-24 1999-03-02 The Regents Of The University Of California Biological tissue transplant coated with stabilized multilayer alginate coating suitable for transplantation and method of preparation thereof
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US6368612B1 (en) 1997-12-12 2002-04-09 Biohybrid Technologies Llc Devices for cloaking transplanted cells
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ATE524165T1 (de) * 1998-03-19 2011-09-15 Max Planck Gesellschaft Verfahren zur herstellung von kapseln mit einer polyelektrolythülle
US7101575B2 (en) * 1998-03-19 2006-09-05 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly
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US20140113138A1 (en) * 2011-06-29 2014-04-24 The University Of Akron Method of encapsulation and immobilization
US11096898B2 (en) 2018-11-16 2021-08-24 GH Care Inc. Alginate microcapsules for cell and molecular therapy that secrete bioactive immune molecules
US12584104B2 (en) 2019-03-29 2026-03-24 Wake Forest University Health Sciences Ovarian follicle cells and constructs for fertility treatment and hormone replacement therapy
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Also Published As

Publication number Publication date
AU3857285A (en) 1985-08-22
DK65285A (da) 1985-08-14
IT8567142A0 (it) 1985-02-12
GB8503247D0 (en) 1985-03-13
IT1184885B (it) 1987-10-28
CH665137A5 (de) 1988-04-29
IT8567142A1 (it) 1986-08-12
NL8500352A (nl) 1985-09-02
FR2559502B1 (fr) 1988-08-26
CA1238273A (en) 1988-06-21
AU572609B2 (en) 1988-05-12
GB2153780B (en) 1987-10-21
BE901704A (fr) 1985-05-29
US4663286A (en) 1987-05-05
FR2559502A1 (fr) 1985-08-16
DK65285D0 (da) 1985-02-12
DE3504724C2 (de) 1987-03-26
JPS60190229A (ja) 1985-09-27
DE3504724A1 (de) 1985-09-05
JPH0150454B2 (da) 1989-10-30
SE8500623D0 (sv) 1985-02-12
NO850535L (no) 1985-08-14
GB2153780A (en) 1985-08-29

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