CH395940A - Verfahren zum Überziehen von Partikeln - Google Patents

Verfahren zum Überziehen von Partikeln

Info

Publication number
CH395940A
CH395940A CH8205459A CH8205459A CH395940A CH 395940 A CH395940 A CH 395940A CH 8205459 A CH8205459 A CH 8205459A CH 8205459 A CH8205459 A CH 8205459A CH 395940 A CH395940 A CH 395940A
Authority
CH
Switzerland
Prior art keywords
coating particles
particles
coating
Prior art date
Application number
CH8205459A
Other languages
English (en)
Inventor
Nelson Hiestand Everett
Hugo Jensen Erik
Dietrich Meister Peter
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
Publication of CH395940A publication Critical patent/CH395940A/de

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/11Encapsulated compositions
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/26Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
    • A01N25/28Microcapsules or nanocapsules
    • 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
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5052Proteins, e.g. albumin
    • A61K9/5057Gelatin
    • 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
    • A61K9/5089Processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • 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
    • B01J13/10Complex coacervation, i.e. interaction of oppositely charged particles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41Particular ingredients further characterized by their size
    • A61K2800/412Microsized, i.e. having sizes between 0.1 and 100 microns

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Agronomy & Crop Science (AREA)
  • Dermatology (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Plant Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Birds (AREA)
  • Colloid Chemistry (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
CH8205459A 1958-12-22 1959-12-19 Verfahren zum Überziehen von Partikeln CH395940A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78192558A 1958-12-22 1958-12-22

Publications (1)

Publication Number Publication Date
CH395940A true CH395940A (de) 1965-07-31

Family

ID=25124396

Family Applications (1)

Application Number Title Priority Date Filing Date
CH8205459A CH395940A (de) 1958-12-22 1959-12-19 Verfahren zum Überziehen von Partikeln

Country Status (4)

Country Link
BR (1) BR5915726D0 (de)
CH (1) CH395940A (de)
DE (1) DE1248015B (de)
GB (1) GB929402A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60100516A (ja) * 1983-11-04 1985-06-04 Takeda Chem Ind Ltd 徐放型マイクロカプセルの製造法
ATE61935T1 (de) * 1985-02-07 1991-04-15 Takeda Chemical Industries Ltd Verfahren zur herstellung von mikrokapseln.
US4908233A (en) * 1985-05-08 1990-03-13 Lion Corporation Production of microcapsules by simple coacervation
US4777089A (en) * 1985-05-08 1988-10-11 Lion Corporation Microcapsule containing hydrous composition
TW333456B (en) 1992-12-07 1998-06-11 Takeda Pharm Ind Co Ltd A pharmaceutical composition of sustained-release preparation the invention relates to a pharmaceutical composition of sustained-release preparation which comprises a physiologically active peptide.
DE69411583T2 (de) * 1993-11-15 1999-02-18 Zeneca Ltd Mikrokapseln, die suspensionen von biologisch aktiven verbindungen enthalten
US5846554A (en) * 1993-11-15 1998-12-08 Zeneca Limited Microcapsules containing suspensions of biologically active compounds and ultraviolet protectant
US5993842A (en) * 1994-12-12 1999-11-30 Zeneca Limited Microcapsules containing suspensions of biologically active compounds
FR3046088B1 (fr) 2015-12-28 2018-01-19 Capsulae Microcapsule comprenant une membrane issue d'une microencapsulation par coacervation complexe, et procede d'obtention

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530008A (de) * 1953-06-30
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
DE1248015B (de) 1967-08-24
BR5915726D0 (pt) 1973-05-29
GB929402A (en) 1963-06-19

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