IT8467874A1 - "Process for the encapsulation of a core in a semipermeable membrane capsule provided with a semipermeable membrane. - Google Patents

"Process for the encapsulation of a core in a semipermeable membrane capsule provided with a semipermeable membrane.

Info

Publication number
IT8467874A1
IT8467874A1 IT1984A67874A IT6787484A IT8467874A1 IT 8467874 A1 IT8467874 A1 IT 8467874A1 IT 1984A67874 A IT1984A67874 A IT 1984A67874A IT 6787484 A IT6787484 A IT 6787484A IT 8467874 A1 IT8467874 A1 IT 8467874A1
Authority
IT
Italy
Prior art keywords
semipermeable membrane
encapsulation
core
capsule provided
membrane capsule
Prior art date
Application number
IT1984A67874A
Other languages
Italian (it)
Other versions
IT1196742B (en
IT8467874A0 (en
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 IT8467874A0 publication Critical patent/IT8467874A0/en
Publication of IT8467874A1 publication Critical patent/IT8467874A1/en
Application granted granted Critical
Publication of IT1196742B publication Critical patent/IT1196742B/en

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
    • A61K9/14—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
    • A61K9/5005—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)
    • 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
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/04—Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Animal Behavior & Ethology (AREA)
  • Genetics & Genomics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Peptides Or Proteins (AREA)
IT67874/84A 1983-09-01 1984-09-03 PROCEDURE FOR THE ENCAPSULATION OF A SOUL IN A SEMI-PERMEABLE MEMBRANE AND CAPSULE PROVIDED WITH A SEMI-PERMEABLE MEMBRANE IT1196742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52839583A 1983-09-01 1983-09-01

Publications (3)

Publication Number Publication Date
IT8467874A0 IT8467874A0 (en) 1984-09-03
IT8467874A1 true IT8467874A1 (en) 1986-03-03
IT1196742B IT1196742B (en) 1988-11-25

Family

ID=24105521

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67874/84A IT1196742B (en) 1983-09-01 1984-09-03 PROCEDURE FOR THE ENCAPSULATION OF A SOUL IN A SEMI-PERMEABLE MEMBRANE AND CAPSULE PROVIDED WITH A SEMI-PERMEABLE MEMBRANE

Country Status (14)

Country Link
JP (1) JPS6075326A (en)
AU (1) AU563653B2 (en)
BE (1) BE900469A (en)
CA (1) CA1245984A (en)
CH (1) CH664472A5 (en)
DE (1) DE3432143C2 (en)
DK (1) DK419184A (en)
FR (1) FR2551455B1 (en)
GB (1) GB2145992B (en)
IL (1) IL72787A (en)
IT (1) IT1196742B (en)
NL (1) NL8402671A (en)
NO (1) NO843481L (en)
SE (1) SE8404343L (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175539A (en) * 1984-02-23 1985-09-09 Snow Brand Milk Prod Co Ltd Capsule and its production
NO166836C (en) * 1985-03-14 1991-09-11 Univ California PROCEDURE FOR TREATMENT OF AN ORGAN TRANSPLANT.
GB8705464D0 (en) * 1987-03-09 1987-04-15 Atomic Energy Authority Uk Composite material
JPS6434436A (en) * 1987-07-28 1989-02-03 Sanyo Chemical Ind Ltd Gel cellular beads and manufacture thereof
CA1319632C (en) * 1988-04-22 1993-06-29 Carol Louise Nolan Method for microbial immobilization
US4952618A (en) * 1988-05-03 1990-08-28 Minnesota Mining And Manufacturing Company Hydrocolloid/adhesive composition
DE3941873A1 (en) * 1989-12-19 1991-06-20 Jakob Dr Bodziony Hollow fibres coated which cells with inhibit coagulation - for long-term use as implants in arteries and veins to carry sensors
DE4012079C2 (en) * 1990-04-14 1997-11-06 Jakob Dr Bodziony Implantable exchange and diffusion chamber
US5149543A (en) * 1990-10-05 1992-09-22 Massachusetts Institute Of Technology Ionically cross-linked polymeric microcapsules
US5487390A (en) * 1990-10-05 1996-01-30 Massachusetts Institute Of Technology Gas-filled polymeric microbubbles for ultrasound imaging
US5562099A (en) * 1990-10-05 1996-10-08 Massachusetts Institute Of Technology Polymeric microparticles containing agents for imaging
FR2694894B1 (en) * 1992-08-20 1994-11-10 Coletica Use of a transacylation reaction between an esterified polysaccharide and a polyamine or polyhydroxylated substance for the manufacture of microparticles, process and composition.
FR2703927B1 (en) * 1993-04-13 1995-07-13 Coletica Use of a transacylation reaction between an esterified polysaccharide and a polyamine to form in an aqueous medium a membrane at least on the surface of gelled particles.
DE4312970A1 (en) * 1993-04-21 1994-10-27 Juergen Dr Schrezenmeir Microcapsule and process and apparatus for production thereof
DE4426396A1 (en) * 1994-07-26 1996-02-01 Ulrich Prof Dr Zimmermann Process for the preparation of concentrated solutions of microencapsulated cells or of suspended active substances in microencapsulated form
US5540927A (en) * 1995-04-12 1996-07-30 Monsanto Company Microencapsulation process by coacervation
WO1999047252A2 (en) * 1998-03-19 1999-09-23 MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly
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
DE102004013637A1 (en) 2004-03-19 2005-10-13 Capsulution Nanoscience Ag Process for the preparation of CS particles and microcapsules using porous templates as well as CS particles and microcapsules
DE102005002483A1 (en) * 2005-01-18 2006-08-03 Ehrfeld Mikrotechnik Bts Gmbh Method for encapsulating sensor molecules with a semipermeable membrane
FR2986165B1 (en) * 2012-01-31 2015-07-24 Capsum PROCESS FOR PREPARING RIGIDIFIED CAPSULES

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352883A (en) * 1979-03-28 1982-10-05 Damon Corporation Encapsulation of biological material
NO158284C (en) * 1981-03-13 1988-08-17 Damon Biotech Inc PROCEDURE FOR SELECTIVE USE OF A PERMEABLE MEMBRANE.

Also Published As

Publication number Publication date
AU563653B2 (en) 1987-07-16
SE8404343L (en) 1985-03-02
FR2551455A1 (en) 1985-03-08
BE900469A (en) 1984-12-17
DE3432143A1 (en) 1985-03-21
CA1245984A (en) 1988-12-06
DE3432143C2 (en) 1987-05-14
FR2551455B1 (en) 1989-09-15
GB2145992A (en) 1985-04-11
DK419184D0 (en) 1984-08-31
IL72787A (en) 1987-12-31
GB8422052D0 (en) 1984-10-03
DK419184A (en) 1985-03-02
AU3263484A (en) 1985-03-07
IT1196742B (en) 1988-11-25
IT8467874A0 (en) 1984-09-03
IL72787A0 (en) 1984-11-30
NL8402671A (en) 1985-04-01
GB2145992B (en) 1987-02-18
NO843481L (en) 1985-03-04
SE8404343D0 (en) 1984-08-31
CH664472A5 (en) 1988-03-15
JPS6075326A (en) 1985-04-27

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19921218