GB872713A - Discrete dual-walled capsules and process for producing the same by coacervation - Google Patents

Discrete dual-walled capsules and process for producing the same by coacervation

Info

Publication number
GB872713A
GB872713A GB41074/59A GB4107459A GB872713A GB 872713 A GB872713 A GB 872713A GB 41074/59 A GB41074/59 A GB 41074/59A GB 4107459 A GB4107459 A GB 4107459A GB 872713 A GB872713 A GB 872713A
Authority
GB
United Kingdom
Prior art keywords
colloid
coacervation
molecular weight
deposited
coating
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
GB41074/59A
Other languages
English (en)
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
Publication of GB872713A publication Critical patent/GB872713A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
    • 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
    • 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
    • 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]
    • 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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
GB41074/59A 1958-12-31 1959-12-03 Discrete dual-walled capsules and process for producing the same by coacervation Expired GB872713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US784020A US3190837A (en) 1958-12-31 1958-12-31 Making individual capsules by dual deposition

Publications (1)

Publication Number Publication Date
GB872713A true GB872713A (en) 1961-07-12

Family

ID=25131105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41074/59A Expired GB872713A (en) 1958-12-31 1959-12-03 Discrete dual-walled capsules and process for producing the same by coacervation

Country Status (6)

Country Link
US (1) US3190837A (ja)
CH (1) CH394131A (ja)
DE (1) DE1245320B (ja)
FR (1) FR1248178A (ja)
GB (1) GB872713A (ja)
NL (2) NL246985A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168670A (en) * 1984-08-16 1986-06-25 Shionogi & Co Process for preparing liposome compositions

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NL275045A (ja) * 1962-02-20
US3369900A (en) * 1963-03-25 1968-02-20 Polaroid Corp Microscopic capsules and method of making the same
US3406119A (en) * 1965-03-05 1968-10-15 Keuffel & Esser Co Encapsulation
US3435947A (en) * 1965-11-26 1969-04-01 Ncr Co Article having an expandable and rigidizable compacted flexible material
LU57907A1 (ja) * 1969-02-04 1970-08-04
US3627693A (en) * 1970-01-28 1971-12-14 Ncr Co Layered capsule walls and a method for manufacturing them
JPS5034510B1 (ja) * 1970-04-02 1975-11-08
JPS5210427B2 (ja) * 1972-07-19 1977-03-24
US4367170A (en) * 1975-01-24 1983-01-04 American Optical Corporation Stabilized photochromic materials
GB1524307A (en) * 1976-06-16 1978-09-13 Monsanto Europe Sa Encapsulation process
US4357259A (en) * 1977-08-01 1982-11-02 Northwestern University Method of incorporating water-soluble heat-sensitive therapeutic agents in albumin microspheres
US4247406A (en) * 1979-04-23 1981-01-27 Widder Kenneth J Intravascularly-administrable, magnetically-localizable biodegradable carrier
DE2930408A1 (de) * 1979-07-26 1981-02-12 Bayer Ag Reaktionsdurchschreibepapier
US4331654A (en) * 1980-06-13 1982-05-25 Eli Lilly And Company Magnetically-localizable, biodegradable lipid microspheres
JPS5719662A (en) * 1980-07-09 1982-02-01 Fuji Photo Film Co Ltd Preparation of microcapsule reagent for immune reaction
NO158284C (no) * 1981-03-13 1988-08-17 Damon Biotech Inc Fremgangsmaate for selektiv oppbrytning av en permeabel membran.
US4394287A (en) * 1981-04-10 1983-07-19 Eurand America, Inc. Incorporation of finely divided additives at the surface of microcapsule walls
US4565764A (en) * 1982-09-10 1986-01-21 Canon Kabushiki Kaisha Microcapsule toner and process of making same
US4963367A (en) * 1984-04-27 1990-10-16 Medaphore, Inc. Drug delivery compositions and methods
US4798741A (en) * 1985-12-13 1989-01-17 E. I. Du Pont De Nemours And Company Preparation of microencapsulated pigment
US4770183A (en) * 1986-07-03 1988-09-13 Advanced Magnetics Incorporated Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents
USRE35862E (en) * 1986-08-18 1998-07-28 Emisphere Technologies, Inc. Delivery systems for pharmacological agents encapsulated with proteinoids
US4965007A (en) * 1988-05-10 1990-10-23 Eastman Kodak Company Encapsulated superparamagnetic particles
US6221367B1 (en) 1992-06-15 2001-04-24 Emisphere Technologies, Inc. Active agent transport systems
US5447728A (en) * 1992-06-15 1995-09-05 Emisphere Technologies, Inc. Desferrioxamine oral delivery system
US5578323A (en) 1992-06-15 1996-11-26 Emisphere Technologies, Inc. Proteinoid carriers and methods for preparation and use thereof
US5693338A (en) * 1994-09-29 1997-12-02 Emisphere Technologies, Inc. Diketopiperazine-based delivery systems
US5629020A (en) 1994-04-22 1997-05-13 Emisphere Technologies, Inc. Modified amino acids for drug delivery
US6099856A (en) * 1992-06-15 2000-08-08 Emisphere Technologies, Inc. Active agent transport systems
US5443841A (en) * 1992-06-15 1995-08-22 Emisphere Technologies, Inc. Proteinoid microspheres and methods for preparation and use thereof
WO1994023767A1 (en) * 1993-04-22 1994-10-27 Emisphere Technologies, Inc. Oral drug delivery compositions and methods
US6331318B1 (en) 1994-09-30 2001-12-18 Emisphere Technologies Inc. Carbon-substituted diketopiperazine delivery systems
US5714167A (en) * 1992-06-15 1998-02-03 Emisphere Technologies, Inc. Active agent transport systems
US6344213B1 (en) * 1996-03-29 2002-02-05 Emisphere Technologies, Inc. Compounds and compositions for delivering active agents
US5541155A (en) * 1994-04-22 1996-07-30 Emisphere Technologies, Inc. Acids and acid salts and their use in delivery systems
US5792451A (en) * 1994-03-02 1998-08-11 Emisphere Technologies, Inc. Oral drug delivery compositions and methods
US5811127A (en) * 1992-06-15 1998-09-22 Emisphere Technologies, Inc. Desferrioxamine oral delivery system
US5401516A (en) * 1992-12-21 1995-03-28 Emisphere Technologies, Inc. Modified hydrolyzed vegetable protein microspheres and methods for preparation and use thereof
US5643957A (en) * 1993-04-22 1997-07-01 Emisphere Technologies, Inc. Compounds and compositions for delivering active agents
US5958457A (en) * 1993-04-22 1999-09-28 Emisphere Technologies, Inc. Compositions for the delivery of antigens
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US5820881A (en) * 1995-04-28 1998-10-13 Emisphere Technologies, Inc. Microspheres of diamide-dicarboxylic acids
US5667806A (en) * 1995-06-07 1997-09-16 Emisphere Technologies, Inc. Spray drying method and apparatus
US6051258A (en) * 1995-06-07 2000-04-18 Emisphere Technologies, Inc. Proteinoid emulsions and methods for preparation and use thereof
US5750147A (en) * 1995-06-07 1998-05-12 Emisphere Technologies, Inc. Method of solubilizing and encapsulating itraconazole
US5824345A (en) * 1995-06-07 1998-10-20 Emisphere Technologies, Inc. Fragrances and flavorants
US6084112A (en) * 1995-09-11 2000-07-04 Emisphere Technologies, Inc. Method for preparing ω-aminoalkanoic acid derivatives from cycloalkanones
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US5939381A (en) * 1997-02-07 1999-08-17 Emisphere Technologies, Inc. Compounds and compositions for delivering active agents
US6313088B1 (en) 1997-02-07 2001-11-06 Emisphere Technologies, Inc. 8-[(2-hydroxy-4-methoxy benzoyl) amino]-octanoic acid compositions for delivering active agents
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US5962710A (en) * 1997-05-09 1999-10-05 Emisphere Technologies, Inc. Method of preparing salicyloylamino acids
US6488870B1 (en) * 2000-11-27 2002-12-03 Xerox Corporation Encapsulation process
US6974592B2 (en) * 2002-04-11 2005-12-13 Ocean Nutrition Canada Limited Encapsulated agglomeration of microcapsules and method for the preparation thereof
US20050067726A1 (en) 2002-11-04 2005-03-31 Nianxi Yan Microcapsules having multiple shells and method for the preparation thereof
US8034450B2 (en) * 2005-01-21 2011-10-11 Ocean Nutrition Canada Limited Microcapsules and emulsions containing low bloom gelatin and methods of making and using thereof
US9968120B2 (en) * 2006-05-17 2018-05-15 Dsm Nutritional Products Ag Homogenized formulations containing microcapsules and methods of making and using thereof
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US9404065B2 (en) * 2013-01-02 2016-08-02 International Business Machines Corporation Renewable self-healing capsule system
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US2492861A (en) * 1946-05-27 1949-12-27 Ind Sound Systems Inc Apparatus and method for manufacturing capsules by upward displacement
US2874299A (en) * 1952-06-30 1959-02-17 Walter H Barkas Ionization recording capsules
US2800457A (en) * 1953-06-30 1957-07-23 Ncr Co Oil-containing microscopic capsules and method of making them
NL95045C (ja) * 1953-06-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168670A (en) * 1984-08-16 1986-06-25 Shionogi & Co Process for preparing liposome compositions

Also Published As

Publication number Publication date
US3190837A (en) 1965-06-22
CH394131A (fr) 1965-06-30
NL246985A (ja)
FR1248178A (fr) 1960-12-09
NL129921C (ja)
DE1245320B (de) 1967-07-27

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