CA928589A - Process for the production of microcapsules with the aid of synthetic coacervates - Google Patents

Process for the production of microcapsules with the aid of synthetic coacervates

Info

Publication number
CA928589A
CA928589A CA105682A CA105682A CA928589A CA 928589 A CA928589 A CA 928589A CA 105682 A CA105682 A CA 105682A CA 105682 A CA105682 A CA 105682A CA 928589 A CA928589 A CA 928589A
Authority
CA
Canada
Prior art keywords
coacervates
microcapsules
aid
synthetic
production
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
CA105682A
Other languages
English (en)
Inventor
Witte Josef
Pampus Gottfried
Schnoring Hildegard
Schon Nikolaus
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA928589A publication Critical patent/CA928589A/en
Expired legal-status Critical Current

Links

Classifications

    • 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]
    • 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)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
CA105682A 1970-03-04 1971-02-18 Process for the production of microcapsules with the aid of synthetic coacervates Expired CA928589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702010110 DE2010110A1 (de) 1970-03-04 1970-03-04 Verfahren zur Herstellung von Mikrokapseln mit Hilfe von synthetischen Koazervaten

Publications (1)

Publication Number Publication Date
CA928589A true CA928589A (en) 1973-06-19

Family

ID=5764034

Family Applications (1)

Application Number Title Priority Date Filing Date
CA105682A Expired CA928589A (en) 1970-03-04 1971-02-18 Process for the production of microcapsules with the aid of synthetic coacervates

Country Status (7)

Country Link
US (1) US3712867A (it)
BE (1) BE763790A (it)
CA (1) CA928589A (it)
DE (1) DE2010110A1 (it)
FR (1) FR2084198A5 (it)
GB (1) GB1325254A (it)
IT (1) IT989574B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839064A (en) * 1972-09-21 1974-10-01 Champion Int Corp Inorganic pigment-loaded polymeric microcapsular system
GB1524307A (en) * 1976-06-16 1978-09-13 Monsanto Europe Sa Encapsulation process
GB1584559A (en) * 1977-06-10 1981-02-11 Calor Group Ltd Thermal energy storage materials
FR2476485A1 (fr) * 1980-02-26 1981-08-28 Roussel Uclaf Nouveau procede d'enrobage d'au moins un principe actif medicamenteux, les nouveaux medicaments ainsi obtenus, et les compositions les renfermant
DE3279999D1 (en) * 1981-09-30 1989-11-30 Nat Res Dev Compositions comprising encapsulated particles
GB8519310D0 (en) * 1985-07-31 1985-09-04 Zyma Sa Granular active substances
US6056992A (en) * 1988-06-02 2000-05-02 Campbell Soup Company Encapsulated additives
WO2001006054A1 (en) 1999-07-19 2001-01-25 Avantgarb, Llc Nanoparticle-based permanent treatments for textiles
CA2659398A1 (en) * 2006-08-02 2008-02-07 Wm. Wrigley Jr. Company Oral compositions effective for the treatment of oral cavity malodor associated with the consumption of odor-causing compounds
US9743688B2 (en) 2010-03-26 2017-08-29 Philip Morris Usa Inc. Emulsion/colloid mediated flavor encapsulation and delivery with tobacco-derived lipids

Also Published As

Publication number Publication date
GB1325254A (en) 1973-08-01
BE763790A (fr) 1971-08-02
DE2010110A1 (de) 1971-09-16
IT989574B (it) 1975-06-10
FR2084198A5 (it) 1971-12-17
US3712867A (en) 1973-01-23

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