ES281391A1 - Procedure for encapsulating materials by dissemination through preformed walls coered (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for encapsulating materials by dissemination through preformed walls coered (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES281391A1
ES281391A1 ES281391A ES281391A ES281391A1 ES 281391 A1 ES281391 A1 ES 281391A1 ES 281391 A ES281391 A ES 281391A ES 281391 A ES281391 A ES 281391A ES 281391 A1 ES281391 A1 ES 281391A1
Authority
ES
Spain
Prior art keywords
capsules
walls
translation
liquid
machine
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
Application number
ES281391A
Other languages
Spanish (es)
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.)
National Cash Register Co
Original Assignee
National Cash Register 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 National Cash Register Co filed Critical National Cash Register Co
Publication of ES281391A1 publication Critical patent/ES281391A1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J13/20—After-treatment of capsule walls, e.g. hardening
    • B01J13/203—Exchange of core-forming material by diffusion through the capsule wall
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS 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
    • A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
    • A61J3/07—Devices 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
    • 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
    • B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Public Health (AREA)
  • Dispersion Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Seasonings (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Fats And Perfumes (AREA)
  • Cosmetics (AREA)

Abstract

Process for encapsulating materials by diffusion through coacervated preformed walls, characterized in that they are formed by gelled gelatin, in which the original core substance has been replaced by another core substance, said process comprising the steps of providing capsules whose the walls are in a dilated state due to the absorbed water, said capsules immersing in a liquid exchange vehicle, which is water-miscible and solvent for the liquid content of the capsules, for such a period until a state of equilibrium of diffusion between the capsules has been obtained. Original liquid content of the capsules and said liquid exchange vehicle and submerging the capsules, recovered from said liquid exchange vehicle in a dry hygroscopic bath, to extract the water from the walls of the capsules in order to render them impermeable to the liquid then within the same. (Machine-translation by Google Translate, not legally binding)
ES281391A 1961-10-30 1962-10-09 Procedure for encapsulating materials by dissemination through preformed walls coered (Machine-translation by Google Translate, not legally binding) Expired ES281391A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14873661A 1961-10-30 1961-10-30

Publications (1)

Publication Number Publication Date
ES281391A1 true ES281391A1 (en) 1963-03-16

Family

ID=22527118

Family Applications (1)

Application Number Title Priority Date Filing Date
ES281391A Expired ES281391A1 (en) 1961-10-30 1962-10-09 Procedure for encapsulating materials by dissemination through preformed walls coered (Machine-translation by Google Translate, not legally binding)

Country Status (9)

Country Link
AT (1) AT239200B (en)
BE (1) BE624167A (en)
BR (1) BR6241000D0 (en)
CH (1) CH419063A (en)
DE (1) DE1184734B (en)
DK (1) DK106667C (en)
ES (1) ES281391A1 (en)
GB (1) GB949910A (en)
NL (2) NL284873A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460972A (en) * 1965-09-29 1969-08-12 Battelle Development Corp Liquid encapsulation
US3520821A (en) * 1966-08-29 1970-07-21 Ncr Co Sealing porous,polymeric material,membranes which form capsule walls
EP1414561A2 (en) * 2001-08-03 2004-05-06 Maripro AS Improvements in or relating to encapsulation
EP2684600A1 (en) * 2012-07-10 2014-01-15 Laboratoires Meiners Sarl Core-shell capsules and methods for encapsulation of reactive ingredients by diffusional exchange through spherical capsule membranes

Also Published As

Publication number Publication date
BR6241000D0 (en) 1973-06-12
DK106667C (en) 1967-03-06
GB949910A (en) 1964-02-19
NL284873A (en)
NL126072C (en)
CH419063A (en) 1966-08-31
AT239200B (en) 1965-03-25
DE1184734B (en) 1965-01-07
BE624167A (en)

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