PH27019A - Improved phase separation microencapsulation process and pharmaceutical compositions produced thereby - Google Patents

Improved phase separation microencapsulation process and pharmaceutical compositions produced thereby Download PDF

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Publication number
PH27019A
PH27019A PH36977A PH36977A PH27019A PH 27019 A PH27019 A PH 27019A PH 36977 A PH36977 A PH 36977A PH 36977 A PH36977 A PH 36977A PH 27019 A PH27019 A PH 27019A
Authority
PH
Philippines
Prior art keywords
solvent
core material
polymer
encapsulating polymer
volatile silicone
Prior art date
Application number
PH36977A
Other languages
English (en)
Inventor
James Ronald Lawter
Michael Gerard Lanzilotti
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of PH27019A publication Critical patent/PH27019A/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
    • 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
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1641Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647Polyesters, e.g. poly(lactide-co-glycolide)
    • 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
    • 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
    • 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
    • B01J13/20After-treatment of capsule walls, e.g. hardening

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Polymerisation Methods In General (AREA)
  • Packages (AREA)
  • Materials For Medical Uses (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Glass Compositions (AREA)
  • Sampling And Sample Adjustment (AREA)
PH36977A 1987-05-26 1988-05-26 Improved phase separation microencapsulation process and pharmaceutical compositions produced thereby PH27019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/054,372 US5000886A (en) 1987-05-26 1987-05-26 Silicone-hardened pharmaceutical microcapsules and process of making the same

Publications (1)

Publication Number Publication Date
PH27019A true PH27019A (en) 1993-02-01

Family

ID=21990585

Family Applications (1)

Application Number Title Priority Date Filing Date
PH36977A PH27019A (en) 1987-05-26 1988-05-26 Improved phase separation microencapsulation process and pharmaceutical compositions produced thereby

Country Status (19)

Country Link
US (1) US5000886A (ja)
EP (1) EP0292710B1 (ja)
JP (1) JP2712101B2 (ja)
KR (1) KR970001209B1 (ja)
AT (1) ATE70992T1 (ja)
AU (1) AU618000B2 (ja)
BR (1) BR1100810A (ja)
CA (1) CA1330533C (ja)
DE (1) DE3867313D1 (ja)
DK (1) DK169119B1 (ja)
ES (1) ES2038236T3 (ja)
GR (1) GR3004186T3 (ja)
HK (1) HK116493A (ja)
IE (1) IE61338B1 (ja)
IL (1) IL86274A (ja)
NO (1) NO177984C (ja)
NZ (1) NZ224722A (ja)
PH (1) PH27019A (ja)
ZA (1) ZA883737B (ja)

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Also Published As

Publication number Publication date
ES2038236T3 (es) 1993-07-16
ZA883737B (en) 1989-02-22
KR880013553A (ko) 1988-12-21
KR970001209B1 (ko) 1997-02-04
DE3867313D1 (de) 1992-02-13
NO882277L (no) 1988-11-28
DK285088D0 (da) 1988-05-25
JPS63307813A (ja) 1988-12-15
DK169119B1 (da) 1994-08-22
IE61338B1 (en) 1994-11-02
ATE70992T1 (de) 1992-01-15
BR1100810A (pt) 1999-10-13
HK116493A (en) 1993-11-05
IL86274A0 (en) 1988-11-15
IL86274A (en) 1992-03-29
US5000886A (en) 1991-03-19
EP0292710A2 (en) 1988-11-30
GR3004186T3 (ja) 1993-03-31
DK285088A (da) 1988-11-27
IE881565L (en) 1988-11-26
EP0292710A3 (en) 1989-03-22
NO177984B (no) 1995-09-25
NO177984C (no) 1996-01-03
CA1330533C (en) 1994-07-05
JP2712101B2 (ja) 1998-02-10
NZ224722A (en) 1990-04-26
NO882277D0 (no) 1988-05-25
AU1659288A (en) 1988-12-01
EP0292710B1 (en) 1992-01-02
AU618000B2 (en) 1991-12-12

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