FR1351357A - Coating of the particles with an oil-in-water emulsion by coacervation of at least two colloids - Google Patents

Coating of the particles with an oil-in-water emulsion by coacervation of at least two colloids

Info

Publication number
FR1351357A
FR1351357A FR813661A FR813661A FR1351357A FR 1351357 A FR1351357 A FR 1351357A FR 813661 A FR813661 A FR 813661A FR 813661 A FR813661 A FR 813661A FR 1351357 A FR1351357 A FR 1351357A
Authority
FR
France
Prior art keywords
coacervation
colloids
particles
coating
oil
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
FR813661A
Other languages
French (fr)
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Priority to FR813661A priority Critical patent/FR1351357A/en
Application granted granted Critical
Publication of FR1351357A publication Critical patent/FR1351357A/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
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/10—Complex coacervation, i.e. interaction of oppositely charged particles
    • 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
    • A61K9/5089—Processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
FR813661A 1958-12-22 1959-12-21 Coating of the particles with an oil-in-water emulsion by coacervation of at least two colloids Expired FR1351357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR813661A FR1351357A (en) 1958-12-22 1959-12-21 Coating of the particles with an oil-in-water emulsion by coacervation of at least two colloids

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78192758A 1958-12-22 1958-12-22
FR813661A FR1351357A (en) 1958-12-22 1959-12-21 Coating of the particles with an oil-in-water emulsion by coacervation of at least two colloids

Publications (1)

Publication Number Publication Date
FR1351357A true FR1351357A (en) 1964-02-07

Family

ID=26184794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813661A Expired FR1351357A (en) 1958-12-22 1959-12-21 Coating of the particles with an oil-in-water emulsion by coacervation of at least two colloids

Country Status (1)

Country Link
FR (1) FR1351357A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128700A2 (en) * 1983-06-09 1984-12-19 Moore Business Forms, Inc. Improvements in microcapsules

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128700A2 (en) * 1983-06-09 1984-12-19 Moore Business Forms, Inc. Improvements in microcapsules
EP0128700A3 (en) * 1983-06-09 1985-05-08 Moore Business Forms, Inc. Improvements in microcapsules

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