ES2184716T3 - Encapsulacion de cristales por medio de recubrimientos multicapa. - Google Patents

Encapsulacion de cristales por medio de recubrimientos multicapa.

Info

Publication number
ES2184716T3
ES2184716T3 ES00935199T ES00935199T ES2184716T3 ES 2184716 T3 ES2184716 T3 ES 2184716T3 ES 00935199 T ES00935199 T ES 00935199T ES 00935199 T ES00935199 T ES 00935199T ES 2184716 T3 ES2184716 T3 ES 2184716T3
Authority
ES
Spain
Prior art keywords
multicapa
coatings
glass encapsulation
particles
encapsulation
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.)
Expired - Lifetime
Application number
ES00935199T
Other languages
English (en)
Inventor
Frank Caruso
Dieter Trau
Helmuth Mohwald
Reinhard Renneberg
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.)
Max Planck Gesellschaft zur Foerderung der Wissenschaften eV
Original Assignee
Max Planck Gesellschaft zur Foerderung der Wissenschaften 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 Max Planck Gesellschaft zur Foerderung der Wissenschaften eV filed Critical Max Planck Gesellschaft zur Foerderung der Wissenschaften eV
Application granted granted Critical
Publication of ES2184716T3 publication Critical patent/ES2184716T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5026Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/54Organic compounds
    • C30B29/58Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/90Magnetic feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Peptides Or Proteins (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Laminated Bodies (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Glanulating (AREA)

Abstract

Un proceso para preparar cristales recubiertos que comprende los pasos: (a) proporcionar una dispersión de partículas molde cristalinas en un disolvente y (b) recubrir dichas partículas con una multicapa que comprende capas alternantes de polielectrólitos y/o manopartículas con carga opuesta.
ES00935199T 1999-06-10 2000-06-09 Encapsulacion de cristales por medio de recubrimientos multicapa. Expired - Lifetime ES2184716T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99111334 1999-06-10

Publications (1)

Publication Number Publication Date
ES2184716T3 true ES2184716T3 (es) 2003-04-16

Family

ID=8238342

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00935199T Expired - Lifetime ES2184716T3 (es) 1999-06-10 2000-06-09 Encapsulacion de cristales por medio de recubrimientos multicapa.

Country Status (7)

Country Link
US (1) US6833192B1 (es)
EP (1) EP1190123B1 (es)
JP (1) JP4970678B2 (es)
AT (1) ATE226267T1 (es)
DE (2) DE20023081U1 (es)
ES (1) ES2184716T3 (es)
WO (1) WO2000077281A1 (es)

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Also Published As

Publication number Publication date
JP4970678B2 (ja) 2012-07-11
DE60000622T2 (de) 2003-02-27
WO2000077281A1 (en) 2000-12-21
DE60000622D1 (de) 2002-11-21
DE20023081U1 (de) 2003-01-16
US6833192B1 (en) 2004-12-21
ATE226267T1 (de) 2002-11-15
JP2003519063A (ja) 2003-06-17
EP1190123A1 (en) 2002-03-27
EP1190123B1 (en) 2002-10-16

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