CH395939A - Verfahren zur Einkapselung von Teilchen von Emulsionen hydrophiler Flüssigkeiten in Öl mittels Koacervierung - Google Patents

Verfahren zur Einkapselung von Teilchen von Emulsionen hydrophiler Flüssigkeiten in Öl mittels Koacervierung

Info

Publication number
CH395939A
CH395939A CH8204859A CH8204859A CH395939A CH 395939 A CH395939 A CH 395939A CH 8204859 A CH8204859 A CH 8204859A CH 8204859 A CH8204859 A CH 8204859A CH 395939 A CH395939 A CH 395939A
Authority
CH
Switzerland
Prior art keywords
coacervation
encapsulation
emulsions
particles
oil
Prior art date
Application number
CH8204859A
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 CH395939A publication Critical patent/CH395939A/de

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
    • B01J13/06Making microcapsules or microballoons by phase separation
    • B01J13/10Complex coacervation, i.e. interaction of oppositely charged particles
    • 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
    • A61K9/5089Processes
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/04Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/047Proteins, e.g. gelatine derivatives; Hydrolysis or extraction products of proteins
    • G03C2001/0471Isoelectric point of gelatine

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pest Control & Pesticides (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Toxicology (AREA)
  • Epidemiology (AREA)
  • Plant Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Colloid Chemistry (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
CH8204859A 1958-12-22 1959-12-19 Verfahren zur Einkapselung von Teilchen von Emulsionen hydrophiler Flüssigkeiten in Öl mittels Koacervierung CH395939A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78192058A 1958-12-22 1958-12-22

Publications (1)

Publication Number Publication Date
CH395939A true CH395939A (de) 1965-07-31

Family

ID=25124375

Family Applications (1)

Application Number Title Priority Date Filing Date
CH8204859A CH395939A (de) 1958-12-22 1959-12-19 Verfahren zur Einkapselung von Teilchen von Emulsionen hydrophiler Flüssigkeiten in Öl mittels Koacervierung

Country Status (4)

Country Link
BR (1) BR5915721D0 (de)
CH (1) CH395939A (de)
DE (1) DE1180347B (de)
GB (1) GB929403A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3399263A (en) * 1965-04-12 1968-08-27 American Cyanamid Co Stable adjuvant emulsion compositions comprising the hydrated reaction products of a methallic cation and a fatty acid
NO137341C (no) * 1972-10-02 1978-02-15 Tavolek Laboratories Rodenticid-preparat omfattende overtrukne partikler av substituerte norbornen-dikar-boksimider
US4464434A (en) * 1978-03-13 1984-08-07 Celanese Corporation Microencapsulated alkaloidal material and method of producing same
DE3237814A1 (de) * 1982-10-12 1984-04-12 Warner-Lambert Co., 07950 Morris Plains, N.J. Wasserfreie emulsionen und verwendung derselben
EP0256856A3 (de) * 1986-08-14 1989-01-11 Synthetic Blood Corporation Parenteral verabreichbares Mittel
US5071706A (en) * 1989-08-31 1991-12-10 Eurand America, Incorporated Oily, free-flowing, microcapsules
WO1999024159A1 (en) * 1997-11-10 1999-05-20 Quest International B.V. Encapsulate of active material in alginate matrix
FR2823137B1 (fr) * 2001-04-06 2003-07-04 Godefroy Diffusion Procede de fabrication de billes d'alginate renfermant au moins un actif cosmetique
DE10359792A1 (de) * 2003-12-19 2005-07-21 Bayer Technology Services Gmbh Mehrphasige Wirkstoffformulierung
WO2008142637A1 (en) * 2007-05-21 2008-11-27 Firmenich Sa Large coacervated capsules
CN103552011A (zh) * 2013-09-30 2014-02-05 昆山振兴精密模具有限公司 一种防反装置
BR102015028047A2 (pt) * 2015-11-06 2017-05-09 Oxiteno S A Indústria E Comércio composição espessante líquida para formulações de cosméticos para limpeza da pele e cabelos e limpadores de superfícies e tecidos, e, uso da composição espessante líquida
US11352468B2 (en) 2016-04-18 2022-06-07 Monosol, Llc Perfume microcapsules and related film and detergent compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530009A (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
BR5915721D0 (pt) 1973-05-29
DE1180347B (de) 1964-10-29
GB929403A (en) 1963-06-19

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