CA1204058A - Microcapsules doubles - Google Patents

Microcapsules doubles

Info

Publication number
CA1204058A
CA1204058A CA000422820A CA422820A CA1204058A CA 1204058 A CA1204058 A CA 1204058A CA 000422820 A CA000422820 A CA 000422820A CA 422820 A CA422820 A CA 422820A CA 1204058 A CA1204058 A CA 1204058A
Authority
CA
Canada
Prior art keywords
mini
microcapsules
liquid
dual
microcapsule
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
CA000422820A
Other languages
English (en)
Inventor
David L. Gardner
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.)
Battelle Development Corp
Original Assignee
Battelle Development Corp
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 Battelle Development Corp filed Critical Battelle Development Corp
Application granted granted Critical
Publication of CA1204058A publication Critical patent/CA1204058A/fr
Expired legal-status Critical Current

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
    • A61K9/5073—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 having two or more different coatings optionally including drug-containing subcoatings
    • 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
    • B01J13/025—Applications of microcapsules not provided for in other subclasses
    • 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
    • B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
    • B01J13/125—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution by evaporation of the solvent
CA000422820A 1982-03-04 1983-03-03 Microcapsules doubles Expired CA1204058A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35486982A 1982-03-04 1982-03-04
US354,869 1982-03-04

Publications (1)

Publication Number Publication Date
CA1204058A true CA1204058A (fr) 1986-05-06

Family

ID=23395257

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000422820A Expired CA1204058A (fr) 1982-03-04 1983-03-03 Microcapsules doubles

Country Status (4)

Country Link
EP (1) EP0102391A1 (fr)
JP (1) JPS58189031A (fr)
CA (1) CA1204058A (fr)
WO (1) WO1983003061A1 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193917A (ja) * 1984-03-14 1985-10-02 R P Shiila- Kk 多重構造軟カプセル剤
DE3541304A1 (de) * 1985-11-22 1987-05-27 Scherer Gmbh R P Orale zubereitungen von knoblauch und verfahren zu ihrer herstellung
US5008112A (en) * 1985-12-16 1991-04-16 International Minerals & Chem. Corporation Device for the extended delivery of diffusible agents
US4755180A (en) * 1986-06-16 1988-07-05 Alza Corporation Dosage form comprising solubility regulating member
DE3721574A1 (de) * 1987-06-30 1989-01-12 Kettelhack Riker Pharma Gmbh Arzneimittel in form von pellets mit enzymatisch kontrollierter arzneistoff-freisetzung
JP2754230B2 (ja) * 1989-03-23 1998-05-20 株式会社スリーボンド セルフロッキング剤及び締め具
JP2733087B2 (ja) * 1989-03-29 1998-03-30 花王株式会社 中空ポリマー微粒子及びその製造方法並びにその用途
US5275943A (en) * 1991-04-12 1994-01-04 Dituro John W Timed-release tablets for biological degradation of organic matter
JPH08507747A (ja) * 1992-12-30 1996-08-20 クローバー コンソリデイテッド，リミテッド 生物学的活性物質用の細包を保護し生体に適合する、再利用可能なマクロカプセル封入システム
JP3278273B2 (ja) * 1993-12-17 2002-04-30 キヤノン株式会社 薬剤徐放性カプセル
FR2725897B1 (fr) * 1994-10-24 1996-12-06 Oreal Produit pour application topique contenant une lipase et un precurseur d'actif
FR2725898B1 (fr) 1994-10-24 1996-12-13 Oreal Produit pour application topique contenant une lipase et un precurseur d'hydroxyacide
US6126936A (en) * 1995-03-10 2000-10-03 Biohybrid Technologies Llc Microcapsules and composite microreactors for immunoisolation of cells
US6287558B1 (en) 1997-08-01 2001-09-11 Biohybrio Technologies Llc Devices containing cells or tissue and an agent that inhibits damage by a host cell molecule
DE10359792A1 (de) * 2003-12-19 2005-07-21 Bayer Technology Services Gmbh Mehrphasige Wirkstoffformulierung
JP2007000772A (ja) * 2005-06-23 2007-01-11 Casio Electronics Co Ltd 二重マイクロカプセル、その製造方法及びマイクロカプセルの表面処理方法
EP2120891B9 (fr) * 2006-12-28 2019-04-24 Dow Silicones Corporation Agrafe rotative et pivotante pour ceinture pouvant être utilisé comme support
US10688026B2 (en) 2009-04-27 2020-06-23 Premier Dental Products Company Buffered microencapsulated compositions and methods
US9814657B2 (en) 2009-04-27 2017-11-14 Premier Dental Products Company Buffered microencapsulated compositions and methods
AR081743A1 (es) * 2010-03-26 2012-10-17 Philip Morris Prod Fabricacion de capsulas de nucleo/caparazon de diferentes geometrias y tratamiento a partir de las mismas
MX2012011142A (es) 2010-03-26 2012-11-29 Philip Morris Prod Articulo para fumar con material de lamina resistente a calor.
JP2013538855A (ja) * 2010-09-30 2013-10-17 エボニック コーポレイション 低い残留有機溶剤の微粒子を製造するためのエマルション法
WO2014043385A2 (fr) 2012-09-14 2014-03-20 Premier Dental Products Company Compositions microencapsulées tamponnées et procédés correspondants
AU2015377223A1 (en) 2015-01-12 2017-08-31 Nano Pharmaceutical Laboratories Llc Layered sustained-release microbeads and methods of making the same
CN112716911B (zh) * 2021-02-04 2023-03-24 吉林省吴太感康药业有限公司 一种咖啡因微胶囊、其制备方法及复方氨酚烷制剂

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493652A (en) * 1962-09-14 1970-02-03 Charles W Hartman Controlled release medicament
US3429827A (en) * 1962-11-23 1969-02-25 Moore Business Forms Inc Method of encapsulation
US3773919A (en) * 1969-10-23 1973-11-20 Du Pont Polylactide-drug mixtures
US4016099A (en) * 1972-03-27 1977-04-05 Xerox Corporation Method of forming encapsulated toner particles
US4111201A (en) * 1976-11-22 1978-09-05 Alza Corporation Osmotic system for delivering selected beneficial agents having varying degrees of solubility

Also Published As

Publication number Publication date
JPS58189031A (ja) 1983-11-04
WO1983003061A1 (fr) 1983-09-15
EP0102391A1 (fr) 1984-03-14

Similar Documents

Publication Publication Date Title
CA1204058A (fr) Microcapsules doubles
US4532123A (en) Dual Microcapsules and process for their preparation
US4921757A (en) System for delayed and pulsed release of biologically active substances
US4900556A (en) System for delayed and pulsed release of biologically active substances
US5691060A (en) Utilization of a transacylation reaction between an esterified polysaccharide and a polyaminated or polyhydroxylated substance for fabricating microparticles, microparticles thus obtained, methods and compositions containing them
US4798786A (en) Living cells encapsulated in crosslinked protein
CA2050911C (fr) Procede d'encapsulation en microcapsule et produits encapsules
US4352883A (en) Encapsulation of biological material
EP0750854B1 (fr) Procédé d'encapsulation d'un noyau par un polymère, par un traitement haute-pression
NL8104507A (nl) Werkwijze voor de bereiding van microcapsules.
JPS58500063A (ja) ペレット、微小ビ−ド、微小カプセルおよびそれらの製法
WO1984000294A1 (fr) Matrice d'hydrate de carbone cristallise pour des substances biologiquement actives, procede de preparation d'une telle matrice et son utilisation
JP3233631B2 (ja) コラーゲン粒子の製造法及びその活性基質に対する担体としての使用法
EP0199362A2 (fr) Système et dispositif pour la libération retardée et par à-coups de substances biologiquement actives
Levy et al. Microcapsules prepared through interfacial cross-linking of starch derivatives
WO1989001034A1 (fr) Encapsulation de materiaux biologiques dans des membranes semi-permeables
AU625857B2 (en) Gelcores
EP0129619B1 (fr) Cellules encapsulées, leur procédé de préparation et leur application
WO1988000237A1 (fr) Membranes covalentes
US4743583A (en) Sustained release protein compositions and method for making
JPS588292B2 (ja) マイクロカプセルの調製方法
JP3034069B2 (ja) マイクロカプセルの製造方法
WO1987004367A1 (fr) Membranes covalentes
WO2006084211A2 (fr) Articles thermoplastiques contenant un medicament
CN1110134A (zh) 脂质体制备工艺及制剂

Legal Events

Date Code Title Description
MKEX Expiry