DK348185A - MICROCAPPLES WITH CONTROLLED RELEASE, THEIR PREPARATION AND USE - Google Patents

MICROCAPPLES WITH CONTROLLED RELEASE, THEIR PREPARATION AND USE Download PDF

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Publication number
DK348185A
DK348185A DK348185A DK348185A DK348185A DK 348185 A DK348185 A DK 348185A DK 348185 A DK348185 A DK 348185A DK 348185 A DK348185 A DK 348185A DK 348185 A DK348185 A DK 348185A
Authority
DK
Denmark
Prior art keywords
microcapples
preparation
controlled release
release
controlled
Prior art date
Application number
DK348185A
Other languages
Danish (da)
Other versions
DK348185D0 (en
Inventor
Juergen Kurt Sandow
Heinz Ruediger Seidel
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of DK348185D0 publication Critical patent/DK348185D0/en
Publication of DK348185A publication Critical patent/DK348185A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D203/00—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom
    • 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
    • A61K9/1641—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)
    • 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
    • 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
    • B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
    • B01J13/125—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution by evaporation of the solvent

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicinal Preparation (AREA)
  • Peptides Or Proteins (AREA)
DK348185A 1984-08-01 1985-07-31 MICROCAPPLES WITH CONTROLLED RELEASE, THEIR PREPARATION AND USE DK348185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843428372 DE3428372A1 (en) 1984-08-01 1984-08-01 CONTROLLED RELEASE REGULAR PEPTIDES MICROCAPSULES, PRODUCTION METHOD AND INJECTION PREPARATIONS

Publications (2)

Publication Number Publication Date
DK348185D0 DK348185D0 (en) 1985-07-31
DK348185A true DK348185A (en) 1986-02-02

Family

ID=6242124

Family Applications (1)

Application Number Title Priority Date Filing Date
DK348185A DK348185A (en) 1984-08-01 1985-07-31 MICROCAPPLES WITH CONTROLLED RELEASE, THEIR PREPARATION AND USE

Country Status (12)

Country Link
EP (1) EP0172422A3 (en)
JP (1) JPS6143119A (en)
KR (1) KR860001592A (en)
AU (1) AU4567785A (en)
DE (1) DE3428372A1 (en)
DK (1) DK348185A (en)
ES (1) ES8608313A1 (en)
GR (1) GR851872B (en)
HU (1) HU195108B (en)
IL (1) IL75936A0 (en)
PT (1) PT80890B (en)
ZA (1) ZA855769B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3712095A1 (en) * 1987-04-10 1988-10-20 Lentia Gmbh BINDER-FREE GRANULES WITH DELAYED DELIVERY OF ACTIVE SUBSTANCES
NZ224549A (en) * 1987-05-29 1990-04-26 Ici Australia Operations Controlled release polymer microspheres containing at least one active agent
JP2837675B2 (en) * 1987-09-22 1998-12-16 中外製薬株式会社 Sustained-release fine-particle preparation
DE3738228A1 (en) * 1987-11-11 1989-05-24 Hoechst Ag METHOD FOR PRODUCING BIODEGRADABLE MICRO-CAPSULES OF WATER-SOLUBLE PEPTIDES AND PROTEINS AND MICRO-CAPSULES OBTAINED BY THIS PROCESS
EP0429832B1 (en) * 1989-11-30 1994-06-22 PCD-Polymere Gesellschaft m.b.H. Pressed core without sustained drug release, process for its preparation and use of polyhydroxybutyric acid for making such a pressed core
JP2997488B2 (en) * 1989-12-25 2000-01-11 興研株式会社 Tumor cell growth inhibitor
DE4000155A1 (en) * 1990-01-04 1991-07-11 Chemie Linz Deutschland Pressed tablet for oral admin. with non-retarded release of agent - comprises homo and/or copolymer of D-(-)-3-hydroxybutyric acid, disintegrating and active-agents and has good storage stability
CA2046830C (en) * 1990-07-19 1999-12-14 Patrick P. Deluca Drug delivery system involving inter-action between protein or polypeptide and hydrophobic biodegradable polymer
DE4041563A1 (en) * 1990-12-22 1992-06-25 Sanol Arznei Schwarz Gmbh METHOD FOR PRODUCING ACTIVE MICROPARTICLES FROM HYDROLYTICALLY DEGRADABLE POLYMERS
JPH0580599U (en) * 1992-04-03 1993-11-02 株式会社丸島アクアシステム Water purification device in closed water area
DE4223169C1 (en) 1992-07-10 1993-11-25 Ferring Arzneimittel Gmbh Process for the microencapsulation of water-soluble active substances
DE4427201C2 (en) * 1993-11-26 1996-09-12 Ges Innenhochdruckverfahren Process for the production of hollow camshafts
CN1278675C (en) 2001-07-10 2006-10-11 佳能株式会社 Granular body contg. polydroxy alkoxide acid ester
JP2004331750A (en) 2003-05-02 2004-11-25 Canon Inc Magnetic structure comprising polyhydroxyalkanoate and method for producing the same and use thereof
GB2470378A (en) * 2009-05-20 2010-11-24 Univ Westminster A controlled release composition for intraocular delivery of a therapeutic agent

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH649217A5 (en) * 1977-08-25 1985-05-15 Sandoz Ag BROMOCRIPTIN CONTAINING MICROCAPSULES.
PH19942A (en) * 1980-11-18 1986-08-14 Sintex Inc Microencapsulation of water soluble polypeptides
GB2108074A (en) * 1981-10-28 1983-05-11 Pa Management Consult Preservation and projection of active substances

Also Published As

Publication number Publication date
ZA855769B (en) 1986-03-26
ES8608313A1 (en) 1986-07-01
DK348185D0 (en) 1985-07-31
HUT41982A (en) 1987-06-29
HU195108B (en) 1988-04-28
ES545723A0 (en) 1986-07-01
EP0172422A2 (en) 1986-02-26
AU4567785A (en) 1986-02-06
DE3428372A1 (en) 1986-02-13
PT80890B (en) 1987-03-24
IL75936A0 (en) 1985-12-31
EP0172422A3 (en) 1986-05-07
GR851872B (en) 1985-12-02
KR860001592A (en) 1986-03-20
PT80890A (en) 1985-08-01
JPS6143119A (en) 1986-03-01

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