NZ198554A - A method for preparing microcapsules laden with active agent - Google Patents

A method for preparing microcapsules laden with active agent

Info

Publication number
NZ198554A
NZ198554A NZ198554A NZ19855481A NZ198554A NZ 198554 A NZ198554 A NZ 198554A NZ 198554 A NZ198554 A NZ 198554A NZ 19855481 A NZ19855481 A NZ 19855481A NZ 198554 A NZ198554 A NZ 198554A
Authority
NZ
New Zealand
Prior art keywords
solvent
microcapsules
active agent
agents
wall forming
Prior art date
Application number
NZ198554A
Other languages
English (en)
Inventor
T R Tice
D H Lewis
Original Assignee
Stolle Res & Dev
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 Stolle Res & Dev filed Critical Stolle Res & Dev
Publication of NZ198554A publication Critical patent/NZ198554A/en

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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/06Making microcapsules or microballoons by phase separation
    • B01J13/12Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
    • B01J13/125Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution by evaporation of the solvent
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1682Processes
    • A61K9/1694Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • 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
    • Y10S424/00Drug, bio-affecting and body treating compositions
    • Y10S424/14Topical contraceptives and spermacides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Peptides Or Proteins (AREA)
NZ198554A 1980-10-06 1981-10-05 A method for preparing microcapsules laden with active agent NZ198554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/194,127 US4389330A (en) 1980-10-06 1980-10-06 Microencapsulation process

Publications (1)

Publication Number Publication Date
NZ198554A true NZ198554A (en) 1985-05-31

Family

ID=22716397

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ198554A NZ198554A (en) 1980-10-06 1981-10-05 A method for preparing microcapsules laden with active agent

Country Status (24)

Country Link
US (1) US4389330A (en:Method)
JP (1) JPS5793912A (en:Method)
KR (1) KR880001765B1 (en:Method)
AT (1) AT384557B (en:Method)
AU (1) AU543059B2 (en:Method)
BE (1) BE890638A (en:Method)
CA (1) CA1142810A (en:Method)
CH (1) CH648494A5 (en:Method)
DE (1) DE3136606C2 (en:Method)
DK (1) DK156374C (en:Method)
ES (1) ES505709A0 (en:Method)
FI (1) FI76493C (en:Method)
FR (1) FR2491351A1 (en:Method)
GB (1) GB2088314B (en:Method)
HU (1) HU184884B (en:Method)
IE (1) IE51822B1 (en:Method)
IL (1) IL63814A (en:Method)
IT (1) IT1215625B (en:Method)
NL (1) NL8104507A (en:Method)
NO (1) NO152964C (en:Method)
NZ (1) NZ198554A (en:Method)
SE (1) SE453798B (en:Method)
YU (1) YU43774B (en:Method)
ZA (1) ZA815441B (en:Method)

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AT384557B (de) 1987-12-10
AU543059B2 (en) 1985-03-28
NO812977L (no) 1982-04-07
KR830007069A (ko) 1983-10-14
ES8301663A1 (es) 1983-01-01
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YU43774B (en) 1989-12-31
GB2088314B (en) 1984-07-18
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NO152964B (no) 1985-09-16
FI813077L (fi) 1982-04-07
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IE51822B1 (en) 1987-04-01
IE812327L (en) 1982-04-06
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IL63814A (en) 1984-07-31
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DK156374B (da) 1989-08-14
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ATA399481A (de) 1987-05-15
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CH648494A5 (de) 1985-03-29
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