CA983788A - Method of encapsulation by coacervation and the substances obtained - Google Patents

Method of encapsulation by coacervation and the substances obtained

Info

Publication number
CA983788A
CA983788A CA158,511A CA158511A CA983788A CA 983788 A CA983788 A CA 983788A CA 158511 A CA158511 A CA 158511A CA 983788 A CA983788 A CA 983788A
Authority
CA
Canada
Prior art keywords
coacervation
encapsulation
substances obtained
substances
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
CA158,511A
Other languages
English (en)
Other versions
CA158511S (en
Inventor
Gerard Roche
Bernard Dumas
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.)
Societe Nationale des Poudres et Explosifs
Original Assignee
Societe Nationale des Poudres et Explosifs
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 Societe Nationale des Poudres et Explosifs filed Critical Societe Nationale des Poudres et Explosifs
Application granted granted Critical
Publication of CA983788A publication Critical patent/CA983788A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/487—Polyethers containing cyclic groups
    • C08G18/4879—Polyethers containing cyclic groups containing aromatic groups
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • 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]
    • 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.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA158,511A 1971-12-28 1972-12-08 Method of encapsulation by coacervation and the substances obtained Expired CA983788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7147022A FR2166508A5 (fr) 1971-12-28 1971-12-28

Publications (1)

Publication Number Publication Date
CA983788A true CA983788A (en) 1976-02-17

Family

ID=9088229

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,511A Expired CA983788A (en) 1971-12-28 1972-12-08 Method of encapsulation by coacervation and the substances obtained

Country Status (14)

Country Link
US (1) US3878121A (fr)
JP (1) JPS4873377A (fr)
AU (1) AU467601B2 (fr)
BE (1) BE792222A (fr)
CA (1) CA983788A (fr)
CH (1) CH563187A5 (fr)
DE (1) DE2261492C3 (fr)
ES (1) ES410061A1 (fr)
FR (1) FR2166508A5 (fr)
GB (1) GB1378339A (fr)
IT (1) IT980995B (fr)
LU (1) LU66591A1 (fr)
NL (1) NL7217743A (fr)
ZA (1) ZA728740B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634479A (en) * 1984-06-08 1987-01-06 Sundstrand Corporation Power source utilizing encapsulated lithium pellets and method of making such pellets
US4758288A (en) * 1987-06-08 1988-07-19 Ronald T. Dodge Co. Encapsulated lithium granules and method of manufacture
US5030301A (en) * 1990-09-28 1991-07-09 Honeywell, Inc. Oxidizer coated metal fuels with means to prevent auto-ignition
US5599866A (en) * 1993-09-07 1997-02-04 Staadecker; Bert Metal-containing latex paint
US5879079A (en) * 1997-08-20 1999-03-09 The United States Of America As Represented By The Administrator, Of The National Aeronautics And Space Administration Automated propellant blending
US6568398B2 (en) 2001-03-07 2003-05-27 Edgar C. Cohen Method for hemostasis
DE10117784A1 (de) * 2001-04-10 2002-10-17 Bayer Ag Mikrokapseln

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513997A (en) * 1948-06-30 1950-07-04 Metal Hydrides Inc Coated metal hydride
US3242051A (en) * 1958-12-22 1966-03-22 Ncr Co Coating by phase separation
US3173878A (en) * 1960-02-26 1965-03-16 Ibm Process of making microcapsules
US3415758A (en) * 1960-03-09 1968-12-10 Ncr Co Process of forming minute capsules en masse
US3441455A (en) * 1961-01-13 1969-04-29 Continental Oil Co Encapsulated propellants and method for their preparation from fluorinated monomers using radiation
US3577515A (en) * 1963-12-13 1971-05-04 Pennwalt Corp Encapsulation by interfacial polycondensation

Also Published As

Publication number Publication date
ES410061A1 (es) 1976-01-01
FR2166508A5 (fr) 1973-08-17
US3878121A (en) 1975-04-15
JPS4873377A (fr) 1973-10-03
BE792222A (fr) 1973-06-01
AU467601B2 (en) 1975-12-04
DE2261492B2 (de) 1977-11-24
DE2261492A1 (de) 1973-07-26
GB1378339A (en) 1974-12-27
AU5004472A (en) 1974-06-20
ZA728740B (en) 1973-11-28
NL7217743A (fr) 1973-07-02
DE2261492C3 (de) 1978-07-13
IT980995B (it) 1974-10-10
LU66591A1 (fr) 1974-07-05
CH563187A5 (fr) 1975-06-30

Similar Documents

Publication Publication Date Title
CA1022889A (en) Package and method of forming the same
AU461153B2 (en) Casing-carrier assembly and method
CA974088A (en) Cog-belt and method for its production
CA974799A (en) Method of enhancing powder compactibility
CA985969A (en) Encapsulation
CA986414A (en) Hair-restorer and method for its manufacturing
CA983788A (en) Method of encapsulation by coacervation and the substances obtained
CA966735A (en) Encapsulation
AU476192B2 (en) Shaker molding assembly and method of shaker molding
CA951293A (en) Hub-platform assembly and loop-sizing method
AU458692B2 (en) Method of preparation 1-0-d-arabinofuranosylcytosine
CA961388A (en) Re-etch method
CA855062A (en) Package and method of forming the same
AU474635B2 (en) Improved package and method of making same
CA871655A (en) Encapsulation method
CA875513A (en) Construction method
CA866613A (en) Package and method
CA866713A (en) Method of encapsulation and product thereof
CA868401A (en) Cyclic boraphosphonitrile compounds and methods
CA883494A (en) Lead assembly and method of making the same
CA879044A (en) Encapsulation and capsules
AU474655B2 (en) Improved package and method of making same
CA871662A (en) Method of bonding
CA948575A (en) Package and method of making same
CA879798A (en) Encapsulation process