DE3367517D1 - Microcapsules with walls formed of a mixture of reticulated polyholosides and proteins, and process for producing them - Google Patents

Microcapsules with walls formed of a mixture of reticulated polyholosides and proteins, and process for producing them

Info

Publication number
DE3367517D1
DE3367517D1 DE8383401009T DE3367517T DE3367517D1 DE 3367517 D1 DE3367517 D1 DE 3367517D1 DE 8383401009 T DE8383401009 T DE 8383401009T DE 3367517 T DE3367517 T DE 3367517T DE 3367517 D1 DE3367517 D1 DE 3367517D1
Authority
DE
Germany
Prior art keywords
mixture
microcapsules
water soluble
polyholoside
polyholosides
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
Application number
DE8383401009T
Other languages
English (en)
Inventor
Marie-Christine Levy
Bertrand Gourdier
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Application granted granted Critical
Publication of DE3367517D1 publication Critical patent/DE3367517D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/16—Interfacial polymerisation
    • 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
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; 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
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • A61K9/5047—Cellulose ethers containing no ester groups, e.g. hydroxypropyl methylcellulose
    • 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
    • A61K9/5052—Proteins, e.g. albumin
    • 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
    • A61K9/5089—Processes
    • 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
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Peptides Or Proteins (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
DE8383401009T 1982-05-26 1983-05-20 Microcapsules with walls formed of a mixture of reticulated polyholosides and proteins, and process for producing them Expired DE3367517D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8209156A FR2527438B1 (fr) 1982-05-26 1982-05-26 Microcapsules a paroi constituee par des polyholosides reticules et leur procede de preparation

Publications (1)

Publication Number Publication Date
DE3367517D1 true DE3367517D1 (en) 1987-01-02

Family

ID=9274355

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383401009T Expired DE3367517D1 (en) 1982-05-26 1983-05-20 Microcapsules with walls formed of a mixture of reticulated polyholosides and proteins, and process for producing them

Country Status (6)

Country Link
US (1) US4780321A (de)
EP (1) EP0095968B1 (de)
JP (1) JPS58214336A (de)
AT (1) ATE23439T1 (de)
DE (1) DE3367517D1 (de)
FR (1) FR2527438B1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2591893B1 (fr) * 1985-12-19 1988-11-10 Centre Nat Rech Scient Compositions nutritionnelles carencees en methionine destinees a inhiber le developpement et la dissemination des tumeurs malignes chez les mammiferes
US5395620A (en) * 1989-01-31 1995-03-07 Coletica Biodegradable microcapsules having walls composed of crosslinked atelocollagen and polyholoside
FR2652741B1 (fr) * 1989-10-10 1994-03-04 Laboratoires Care System Composition antimicrobienne pour application sur la peau, applications comme deodorant corporel et bactericide cutane.
DE4006521A1 (de) * 1990-03-02 1991-09-05 Bayer Ag Zuckerhaltige polymere zur umhuellung und einbettung von arzneistoffen
GB9004950D0 (en) * 1990-03-06 1990-05-02 Kelco Int Ltd Controlled release formulation
FR2665374B1 (fr) * 1990-08-03 1992-12-04 Bioetica Sa Microcapsules a paroi mixte d'atelocollagene et de polyholosides coagulee par un cation bivalent et procede de fabrication de ces microcapsules et des compositions cosmetiques ou pharmaceutiques ou alimentaires en contenant.
DE4209160A1 (de) * 1992-03-20 1993-09-30 Bauer Kurt Heinz Prof Dr Vernetzte Polysaccharide, Verfahren zu ihrer Herstellung und ihre Verwendung
WO1993019125A1 (en) * 1992-03-20 1993-09-30 Iowa State University Research Foundation, Inc. Water-resistant starch-protein thermoplastics
FR2694894B1 (fr) * 1992-08-20 1994-11-10 Coletica Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.
US5385640A (en) * 1993-07-09 1995-01-31 Microcell, Inc. Process for making microdenominated cellulose
US5487419A (en) * 1993-07-09 1996-01-30 Microcell, Inc. Redispersible microdenominated cellulose
DE4331539A1 (de) * 1993-09-17 1995-03-23 Basf Ag Dextranester, Verfahren zu ihrer Herstellung und ihre Verwendung zur Umhüllung oder Einbettung von Arzneimitteln
FR2715582B1 (fr) * 1994-02-02 1996-03-15 Centre Nat Rech Scient Microcapsules à paroi de flavonoïde réticulée et compositions en contenant.
US5911923A (en) * 1996-07-01 1999-06-15 Microtek Laboratories, Inc. Method for microencapsulating water-soluble or water-dispersible or water-sensitive materials in an organic continuous phase
EP0966268B1 (de) * 1997-07-15 2003-05-21 Coletica Partikeln,insbesondere mikro- oder nanopartikeln aus quervernetzten pflanzlichen proteinen,verfahren zu deren herstellung und diese enthaltende arzneimittel oder kosmetika oder nahrungsmittelzubereitungen
FR2766090B1 (fr) * 1997-07-15 1999-10-08 Coletica Particules, en particulier micro- ou nanoparticules de proteines vegetales reticulees, leur procede de preparation et compositions cosmetiques, pharmaceutiques ou alimentaires en contenant
ATE355856T1 (de) * 1998-07-30 2007-03-15 Point Biomedical Corp Neuer wirkstoffträger für die gefriertrocknung von wässrigen suspensionen von mikropartikeln
CN1185846C (zh) 1999-12-10 2005-01-19 株式会社Ntt都科摩 移动通信终端
CN1893930B (zh) * 2003-11-21 2012-06-27 联邦科学和工业研究组织 胃肠道递送系统
JP4789173B2 (ja) * 2004-07-16 2011-10-12 愛媛県 マイクロカプセルの製造方法、この製造方法により製造されたマイクロカプセル、このマイクロカプセルで情報を記録した記録紙及びこのマイクロカプセルを含む記録液
WO2007009023A2 (en) * 2005-07-13 2007-01-18 Engineered Release Systems, Inc. Chemically cross-linked elastomeric microcapsules
EP2680827B1 (de) 2011-03-04 2020-01-08 Institut National de la Santé et de la Recherche Médicale Teilchen mit einem wachstumsfaktor und ihre verwendung
JP5827178B2 (ja) * 2012-06-05 2015-12-02 北越紀州製紙株式会社 セルロース多孔質体及びその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH453305A (fr) * 1963-10-21 1968-06-14 Pilot Pen Co Ltd Procédé pour encapsuler de fines gouttelettes de liquides dispersées
US3578605A (en) * 1968-08-02 1971-05-11 Moore Business Forms Inc Process for making dual walled microcapsules
CA1040018A (en) * 1974-06-19 1978-10-10 Dale R. Shackle Cross-linked hydroxypropylcellulose microcapsules and process for making
JPS5113385A (en) * 1974-07-24 1976-02-02 Fuji Photo Film Co Ltd Kapuseruno seizohoho
GB1538075A (en) * 1975-03-24 1979-01-10 Champion Paper Co Ltd Formation of microcapsules by interfacial cross-linking and microcapsules produced thereby
JPS5432755A (en) * 1977-08-17 1979-03-10 Fuji Electric Co Ltd Electric device winding using self fusable insulating wire
GB2026976B (en) * 1978-08-04 1982-11-03 Damon Corp Process for preparing semipermeable microcapsules
GB2040863B (en) * 1978-12-19 1982-11-24 Mars Inc Microencapsulation process
FR2464093A1 (fr) * 1979-08-30 1981-03-06 Roussel Uclaf Procede de preparation de suspensions ou de poudres stables de microcapsules stables et d'une porosite variable et les produits ainsi obtenus

Also Published As

Publication number Publication date
US4780321A (en) 1988-10-25
EP0095968B1 (de) 1986-11-12
ATE23439T1 (de) 1986-11-15
JPH0424091B2 (de) 1992-04-24
EP0095968A1 (de) 1983-12-07
FR2527438A1 (fr) 1983-12-02
JPS58214336A (ja) 1983-12-13
FR2527438B1 (fr) 1985-08-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee