DE3469135D1 - Coacervation process for microencapsulation and microcapsules prepared by such coacervation process - Google Patents

Coacervation process for microencapsulation and microcapsules prepared by such coacervation process

Info

Publication number
DE3469135D1
DE3469135D1 DE8484303112T DE3469135T DE3469135D1 DE 3469135 D1 DE3469135 D1 DE 3469135D1 DE 8484303112 T DE8484303112 T DE 8484303112T DE 3469135 T DE3469135 T DE 3469135T DE 3469135 D1 DE3469135 D1 DE 3469135D1
Authority
DE
Germany
Prior art keywords
coacervation process
core
core ingredient
microcapsules
ionizable
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
DE8484303112T
Other languages
English (en)
Inventor
Richard Baker
Yasuo Ninomiya
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.)
Bend Research Inc
Original Assignee
Bend Research Inc
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 Bend Research Inc filed Critical Bend Research Inc
Application granted granted Critical
Publication of DE3469135D1 publication Critical patent/DE3469135D1/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N25/00—Biocides, 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
    • A01N25/26—Biocides, 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
    • A01N25/28—Microcapsules or nanocapsules
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
DE8484303112T 1983-05-11 1984-05-09 Coacervation process for microencapsulation and microcapsules prepared by such coacervation process Expired DE3469135D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49370683A 1983-05-11 1983-05-11

Publications (1)

Publication Number Publication Date
DE3469135D1 true DE3469135D1 (en) 1988-03-10

Family

ID=23961364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484303112T Expired DE3469135D1 (en) 1983-05-11 1984-05-09 Coacervation process for microencapsulation and microcapsules prepared by such coacervation process

Country Status (6)

Country Link
EP (1) EP0126583B1 (de)
AT (1) ATE32309T1 (de)
BR (1) BR8402224A (de)
CA (1) CA1251099A (de)
DE (1) DE3469135D1 (de)
ZA (1) ZA843286B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651991A (en) * 1987-10-28 1997-07-29 Nippon Shinyaku Co. Ltd. Drug carriers
JP2657263B2 (ja) * 1988-07-01 1997-09-24 トッパン・フォームズ株式会社 徐放性マイクロカプセル化防虫製剤
ES2062739T3 (es) * 1990-05-04 1994-12-16 Warner Lambert Co Agentes aromatizantes microencapsulados y metodos para preparar los mismos.
FR2727632A1 (fr) * 1994-12-06 1996-06-07 Godard Philippe Conditionnement de microcapsules a enveloppe molle dans des gels fluides ou solides, pour les empecher de se vider par diffusion et/ou par osmose
FR2879945B1 (fr) * 2004-12-29 2007-03-23 Euracli Sarl Procede de coacervation ameliore pour la preparation de microcapsules de principes actifs hydrophobes isolees, filtrables et redispersables dans l'eau
CN102949297A (zh) * 2012-06-14 2013-03-06 江西农业大学 驱蚊凝胶剂以及制备方法
EP2865372B1 (de) * 2013-10-22 2020-07-22 Symrise AG Wirkstoffkapseln

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1524827A (fr) * 1966-06-06 1968-05-10 Ncr Co Procédé pour le traitement de capsules polymères minuscules
US3578605A (en) * 1968-08-02 1971-05-11 Moore Business Forms Inc Process for making dual walled microcapsules
DE2602176A1 (de) * 1976-01-21 1977-08-04 Omnitechnic Gmbh Metallverbindungen enthaltende mikrokapseln, insbesondere als haerter fuer polymerisationen und als vulkanisations-hilfsmittel sowie verfahren zur herstellung solcher mikrokapseln

Also Published As

Publication number Publication date
EP0126583B1 (de) 1988-02-03
BR8402224A (pt) 1984-12-18
ATE32309T1 (de) 1988-02-15
CA1251099A (en) 1989-03-14
ZA843286B (en) 1985-12-24
EP0126583A1 (de) 1984-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee