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FR2747919B1 - Utilisation d'esters de copolymeres pour la production de microspheres pour la liberation retardee de principes actifs - Google Patents

Utilisation d'esters de copolymeres pour la production de microspheres pour la liberation retardee de principes actifs

Info

Publication number
FR2747919B1
FR2747919B1 FR9705214A FR9705214A FR2747919B1 FR 2747919 B1 FR2747919 B1 FR 2747919B1 FR 9705214 A FR9705214 A FR 9705214A FR 9705214 A FR9705214 A FR 9705214A FR 2747919 B1 FR2747919 B1 FR 2747919B1
Authority
FR
France
Prior art keywords
microspheres
production
active ingredients
delayed release
copolymer esters
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 - Fee Related
Application number
FR9705214A
Other languages
English (en)
Other versions
FR2747919A1 (fr
Inventor
Hen Ferrenbach Catherine Le
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of FR2747919A1 publication Critical patent/FR2747919A1/fr
Application granted granted Critical
Publication of FR2747919B1 publication Critical patent/FR2747919B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61K9/1682—Processes
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • 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
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
FR9705214A 1996-04-29 1997-04-28 Utilisation d'esters de copolymeres pour la production de microspheres pour la liberation retardee de principes actifs Expired - Fee Related FR2747919B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996117137 DE19617137C1 (de) 1996-04-29 1996-04-29 Verwendung von Copolymerestern für die Herstellung von Mikrosphären

Publications (2)

Publication Number Publication Date
FR2747919A1 FR2747919A1 (fr) 1997-10-31
FR2747919B1 true FR2747919B1 (fr) 1999-08-06

Family

ID=7792806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9705214A Expired - Fee Related FR2747919B1 (fr) 1996-04-29 1997-04-28 Utilisation d'esters de copolymeres pour la production de microspheres pour la liberation retardee de principes actifs

Country Status (2)

Country Link
DE (1) DE19617137C1 (fr)
FR (1) FR2747919B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1367080A1 (fr) 2002-05-29 2003-12-03 Hycail B.V. Polymères d'acide hydroxycarboxylique hyperramifiés
FR2865938B1 (fr) * 2004-02-05 2006-06-02 Sod Conseils Rech Applic Formulation retard solide comprenant de l'acetate de triptoreline
BRPI0916605A2 (pt) * 2008-07-31 2017-07-04 Lubrizol Corp novos copolimeros e composições lubrificantes destes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9016885D0 (en) * 1990-08-01 1990-09-12 Scras Sustained release pharmaceutical compositions
GB9310030D0 (en) * 1993-05-15 1993-06-30 Scras Dry processed particles and process for the preparation of the same
FR2705323B1 (fr) * 1993-05-17 1995-07-28 Oreal Valve de diffusion pour un récipient aérosol, et récipient aérosol équipé d'une telle valve.

Also Published As

Publication number Publication date
FR2747919A1 (fr) 1997-10-31
DE19617137C1 (de) 1997-02-27

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Legal Events

Date Code Title Description
ST Notification of lapse
TP Transmission of property