DK107679C - Process for the preparation of small capsules, each with a wall of rigid polymer and containing a solid or liquid core material, by coacervation. - Google Patents

Process for the preparation of small capsules, each with a wall of rigid polymer and containing a solid or liquid core material, by coacervation.

Info

Publication number
DK107679C
DK107679C DK485462AA DK485462A DK107679C DK 107679 C DK107679 C DK 107679C DK 485462A A DK485462A A DK 485462AA DK 485462 A DK485462 A DK 485462A DK 107679 C DK107679 C DK 107679C
Authority
DK
Denmark
Prior art keywords
coacervation
preparation
solid
wall
core material
Prior art date
Application number
DK485462AA
Other languages
Danish (da)
Original Assignee
Ncr 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 Ncr Co filed Critical Ncr Co
Application granted granted Critical
Publication of DK107679C publication Critical patent/DK107679C/en

Links

Classifications

    • 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
    • B01J13/206Hardening; drying
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J3/00Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
    • A61J3/07Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of capsules or similar small containers for oral use
    • 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
    • B01J13/08Simple coacervation, i.e. addition of highly hydrophilic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dispersion Chemistry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
DK485462AA 1961-11-10 1962-11-10 Process for the preparation of small capsules, each with a wall of rigid polymer and containing a solid or liquid core material, by coacervation. DK107679C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15144961A 1961-11-10 1961-11-10

Publications (1)

Publication Number Publication Date
DK107679C true DK107679C (en) 1967-06-26

Family

ID=22538814

Family Applications (1)

Application Number Title Priority Date Filing Date
DK485462AA DK107679C (en) 1961-11-10 1962-11-10 Process for the preparation of small capsules, each with a wall of rigid polymer and containing a solid or liquid core material, by coacervation.

Country Status (8)

Country Link
AT (1) AT239201B (en)
BE (1) BE624492A (en)
CH (1) CH409880A (en)
DE (1) DE1265130B (en)
DK (1) DK107679C (en)
FR (1) FR1339149A (en)
GB (1) GB952030A (en)
NL (2) NL285331A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800457A (en) * 1953-06-30 1957-07-23 Ncr Co Oil-containing microscopic capsules and method of making them

Also Published As

Publication number Publication date
CH409880A (en) 1966-03-31
DE1265130B (en) 1968-04-04
AT239201B (en) 1965-03-25
NL285331A (en)
NL129489C (en)
FR1339149A (en) 1963-10-04
BE624492A (en)
GB952030A (en) 1964-03-11

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