CH386995A - Verfahren zur Einkapselung feinzerteilter lipophiler Stoffe - Google Patents

Verfahren zur Einkapselung feinzerteilter lipophiler Stoffe

Info

Publication number
CH386995A
CH386995A CH8204459A CH8204459A CH386995A CH 386995 A CH386995 A CH 386995A CH 8204459 A CH8204459 A CH 8204459A CH 8204459 A CH8204459 A CH 8204459A CH 386995 A CH386995 A CH 386995A
Authority
CH
Switzerland
Prior art keywords
encapsulation
finely divided
lipophilic substances
lipophilic
substances
Prior art date
Application number
CH8204459A
Other languages
English (en)
Inventor
Hugo Jensen Erik
Garnet Wagner John
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 CH386995A publication Critical patent/CH386995A/de

Links

Classifications

    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S260/00—Chemistry of carbon compounds
    • Y10S260/22—Concentration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
    • Y10T428/2987—Addition polymer from unsaturated monomers only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2989—Microcapsule with solid core [includes liposome]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Public Health (AREA)
  • Dispersion Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Colloid Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CH8204459A 1958-12-22 1959-12-19 Verfahren zur Einkapselung feinzerteilter lipophiler Stoffe CH386995A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US785104A US3069370A (en) 1958-12-22 1958-12-22 Coacervation process for encapsulation of lipophilic materials

Publications (1)

Publication Number Publication Date
CH386995A true CH386995A (de) 1965-01-31

Family

ID=25134453

Family Applications (1)

Application Number Title Priority Date Filing Date
CH8204459A CH386995A (de) 1958-12-22 1959-12-19 Verfahren zur Einkapselung feinzerteilter lipophiler Stoffe

Country Status (4)

Country Link
US (1) US3069370A (de)
CH (1) CH386995A (de)
DE (1) DE1233829B (de)
GB (1) GB929225A (de)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265630A (en) * 1958-12-22 1966-08-09 Ncr Co Encapsulating lipophilic material by coacervation
US3415758A (en) * 1960-03-09 1968-12-10 Ncr Co Process of forming minute capsules en masse
DE1254126B (de) * 1961-06-20 1967-11-16 Henkel & Cie Gmbh Einkapselung von Fluessigkeiten
NL128865C (de) * 1961-09-05
BE628650A (de) * 1962-02-20
US3205060A (en) * 1962-03-26 1965-09-07 Standard Oil Co Soil conditioning composition
US3155590A (en) * 1962-08-02 1964-11-03 Ncr Co Encapsulation process and its product
US3369900A (en) * 1963-03-25 1968-02-20 Polaroid Corp Microscopic capsules and method of making the same
US3158462A (en) * 1963-06-24 1964-11-24 George W Helme Company Fungistatic non-caking, substantially dust free, water leachable fertilizer
US3290139A (en) * 1963-09-11 1966-12-06 Sun Oil Co Process for slow release fertilizer comprising urea, paraffin wax, and ureawax adduct inhibitor
US3395105A (en) * 1964-10-06 1968-07-30 Mc Donnell Douglas Corp Epoxy systems containing encapsulated pressure fracturable curing agents
US3365320A (en) * 1965-05-17 1968-01-23 Eureka Carlisle Company Process of making an aqueous adhesive
US3259482A (en) * 1965-10-14 1966-07-05 Archer Daniels Midland Co Slow release fertilizer with a plurality of epoxy/polyester resin coatings
NL136382C (de) * 1966-10-28
US3341466A (en) * 1966-10-31 1967-09-12 Brynko Carl Process for making capsules
US3666678A (en) * 1968-01-12 1972-05-30 Benjamin Mosier Process of encapsulating basic nitrogen compounds with acid-precursor gelatin
US3676363A (en) * 1969-09-04 1972-07-11 Benjamin Mosier Production of weighted microcapsular materials
US3872024A (en) * 1970-05-27 1975-03-18 Ncr Co Encapsulation process by simple coacervation using inorganic polymers
US3965033A (en) * 1970-07-27 1976-06-22 Fuji Photo Film Co., Ltd. Process for the production of oil-containing microcapsules
US3779942A (en) * 1970-12-04 1973-12-18 Minnesota Mining & Mfg Capsules and process for forming capsules
JPS5312473B1 (de) * 1971-05-24 1978-05-01
US3872023A (en) * 1972-04-17 1975-03-18 Basf Ag Microcapsules having walls made of copolymer of methylmethacrylate and acetylacetates of mono(meth) acrylates of aliphatic diols
US4179546A (en) * 1972-08-28 1979-12-18 The Dow Chemical Company Method for expanding microspheres and expandable composition
US3904562A (en) * 1973-01-31 1975-09-09 Sherwin Williams Co Organic pigments encapsulated with vinylpyrrolidone polymer
GB1538075A (en) * 1975-03-24 1979-01-10 Champion Paper Co Ltd Formation of microcapsules by interfacial cross-linking and microcapsules produced thereby
GB1524307A (en) * 1976-06-16 1978-09-13 Monsanto Europe Sa Encapsulation process
US4078052A (en) * 1976-06-30 1978-03-07 The United States Of America As Represented By The Secretary Of Health, Education And Welfare Large unilamellar vesicles (LUV) and method of preparing same
JPS602100B2 (ja) * 1977-09-28 1985-01-19 三菱製紙株式会社 微小カプセルの製造方法
DE2911776A1 (de) * 1979-03-26 1980-10-09 Basf Ag Verfahren zur herstellung von in kieselgel eingebetteten enzymatisch aktiven praeparaten
JPS6187734A (ja) * 1984-10-03 1986-05-06 Japan Synthetic Rubber Co Ltd 中空ポリマ−粒子の製造方法
DE3621458A1 (de) * 1985-06-27 1987-01-08 Lion Corp Feste seife
FR2608942B1 (fr) * 1986-12-31 1991-01-11 Centre Nat Rech Scient Procede de preparation de systemes colloidaux dispersibles d'une substance, sous forme de nanocapsules
DE3871176D1 (de) * 1987-02-25 1992-06-25 Hoechst Ag Mikroenkapsulierung von biologisch aktivem material.
JPS649272A (en) * 1987-07-01 1989-01-12 Nippon Kayaku Kk Non-flying granular dye
US4961755A (en) * 1987-12-29 1990-10-09 Ciba-Geigy Corporation Coated active substances: dye coated with polyethylene oxide-propylene oxide or with ethoxylated stearyldi phenyloxyethyl diethylenetriamine
US5032457A (en) * 1988-03-03 1991-07-16 Micro Vesicular Systems, Inc. Paucilamellar lipid vesicles using charge-localized, single chain, nonphospholipid surfactants
US5104736A (en) * 1988-03-03 1992-04-14 Micro-Pak, Inc. Reinforced paucilamellar lipid vesicles
US5164191A (en) * 1991-02-12 1992-11-17 Micro Vesicular Systems, Inc. Lipid vesicles having an alkyd as a wall-forming material
US5213805A (en) * 1991-07-25 1993-05-25 Micro Vesicular Systems, Inc. Lipid vesicles having n,n-dimethylamide derivatives as their primary lipid
US5153011A (en) * 1991-08-16 1992-10-06 Wm. Wrigley Jr. Company Chewing gum flavor ingredient
US5439967A (en) * 1991-09-17 1995-08-08 Micro Vesicular Systems, Inc. Propylene glycol stearate vesicles
US5260065A (en) * 1991-09-17 1993-11-09 Micro Vesicular Systems, Inc. Blended lipid vesicles
US5643600A (en) * 1991-09-17 1997-07-01 Micro-Pak, Inc. Lipid vesicles containing avocado oil unsaponifiables
US5405615A (en) * 1991-09-17 1995-04-11 Micro Vesicular Systems, Inc. Sucrose distearate lipid vesicles
DE4328069A1 (de) * 1993-08-20 1995-02-23 Henning Berlin Gmbh Mikropartikel, Verfahren zu ihrer Herstellung und ihre Verwendung zur Herstellung von Arzneimitteln
IL108835A (en) * 1994-03-03 1997-08-14 Ben Researchiversity Of The Ne Microencapsulated composition containing chlorpyrifos or endosulfan
US6060084A (en) * 1997-08-28 2000-05-09 Cannon Chemical Company Method for preparing a core material containment system and the core material containment system prepared thereby
CA2348764C (en) * 1998-11-12 2007-09-25 Fmc Corporation Process to prepare microencapsulated formulations
AU7136000A (en) 1999-07-19 2001-02-05 Avantgarb, Llc Nanoparticle-based permanent treatments for textiles
US6518330B2 (en) * 2001-02-13 2003-02-11 Board Of Trustees Of University Of Illinois Multifunctional autonomically healing composite material
MXPA03006862A (es) * 2002-01-30 2004-10-15 Kraft Foods Holdings Inc Produccion de capsulas y particulas para mejora de productos alimenticios.
US7566747B2 (en) * 2004-05-07 2009-07-28 The Board Of Trustees Of The University Of Illinois Wax particles for protection of activators, and multifunctional autonomically healing composite materials
US7612152B2 (en) * 2005-05-06 2009-11-03 The Board Of Trustees Of The University Of Illinois Self-healing polymers
WO2007082153A2 (en) 2006-01-05 2007-07-19 The Board Of Trustees Of The University Of Illinois Self-healing coating system
US7569625B2 (en) * 2006-06-02 2009-08-04 The Board Of Trustees Of The University Of Illinois Self-healing elastomer system
US20080299391A1 (en) * 2007-05-31 2008-12-04 White Scott R Capsules, methods for making capsules, and self-healing composites including the same
US20090181254A1 (en) * 2008-01-15 2009-07-16 The Board Of Trustees Of The University Of Illinois Multi-capsule system and its use for encapsulating active agents
US8263140B1 (en) * 2008-04-16 2012-09-11 Pom Wonderful, Llc Pomegranate based skin protectant and topical application
ES2958068T3 (es) 2017-06-02 2024-01-31 Carbonet Nanotechnologies Inc Agentes secuestrantes, kits para los mismos y métodos de utilización de agentes secuestrantes y kits para los mismos

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2006002A (en) * 1932-11-29 1935-06-25 Agfa Ansco Corp Manufacture of photographic silver halide emulsion layers
US2698794A (en) * 1950-04-15 1955-01-04 Eastman Kodak Co Mixed packet photographic emulsions
US2800457A (en) * 1953-06-30 1957-07-23 Ncr Co Oil-containing microscopic capsules and method of making them
NL95043C (de) * 1953-06-30
US2897121A (en) * 1957-06-04 1959-07-28 Upjohn Co Pharmaceutical composition
US2969331A (en) * 1958-06-04 1961-01-24 Ncr Co Process of making dual-walled oil containing capsules
NL283761A (de) * 1958-06-04

Also Published As

Publication number Publication date
DE1233829B (de) 1967-02-09
US3069370A (en) 1962-12-18
GB929225A (en) 1963-06-19

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