FR2506613A1 - Microcapsules d'ethylcellulose - Google Patents

Microcapsules d'ethylcellulose

Info

Publication number
FR2506613A1
FR2506613A1 FR8209246A FR8209246A FR2506613A1 FR 2506613 A1 FR2506613 A1 FR 2506613A1 FR 8209246 A FR8209246 A FR 8209246A FR 8209246 A FR8209246 A FR 8209246A FR 2506613 A1 FR2506613 A1 FR 2506613A1
Authority
FR
France
Prior art keywords
microcapsules
ethylcellulose
active compound
pharmaceutically active
ethylcellulose microcapsules
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.)
Granted
Application number
FR8209246A
Other languages
English (en)
Other versions
FR2506613B1 (fr
Inventor
Masayoshi Samejima
Samejima Goichi Hirata Yoshiyuki Koida Et Akira Kida Masayoshi
Goichi Hirata
Yoshiyuki Koida
Akira Kida
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.)
Tanabe Seiyaku Co Ltd
Original Assignee
Tanabe Seiyaku Co Ltd
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 Tanabe Seiyaku Co Ltd filed Critical Tanabe Seiyaku Co Ltd
Publication of FR2506613A1 publication Critical patent/FR2506613A1/fr
Application granted granted Critical
Publication of FR2506613B1 publication Critical patent/FR2506613B1/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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5026—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • A61K9/5047—Cellulose ethers containing no ester groups, e.g. hydroxypropyl methylcellulose
    • 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]

Abstract

L'INVENTION EST RELATIVE AUX MICROCAPSULES D'ETHYLCELLULOSE. ELLE A POUR OBJET DES MICROCAPSULES CONTENANT UN COMPOSE PHARMACEUTIQUEMENT ACTIF DONT LES PAROIS DE REVETEMENT SONT CONSTITUEES ESSENTIELLEMENT D'ETHYLCELLULOSE ET D'UNE MATIERE POLYMERE INSOLUBLE DANS L'EAU, SOLUBLE DANS LES ACIDES. UN PROCEDE DE PREPARATION DE CES MICROCAPSULES EST EGALEMENT DECRIT. CES MICROCAPSULES FOURNISSENT UNE LIBERATION RAPIDE DU COMPOSE PHARMACEUTIQUEMENT ACTIF DANS L'ESTOMAC OU DANS LE SUC GASTRIQUE.
FR8209246A 1981-05-29 1982-05-27 Microcapsules d'ethylcellulose Expired FR2506613B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56082728A JPS57197214A (en) 1981-05-29 1981-05-29 Rapid-releasing microcapsule and its preparation

Publications (2)

Publication Number Publication Date
FR2506613A1 true FR2506613A1 (fr) 1982-12-03
FR2506613B1 FR2506613B1 (fr) 1987-03-20

Family

ID=13782474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8209246A Expired FR2506613B1 (fr) 1981-05-29 1982-05-27 Microcapsules d'ethylcellulose

Country Status (7)

Country Link
US (1) US4486471A (fr)
JP (1) JPS57197214A (fr)
CH (1) CH653552A5 (fr)
DE (1) DE3218059C2 (fr)
FR (1) FR2506613B1 (fr)
GB (1) GB2101069B (fr)
IT (1) IT1152200B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0188953A2 (fr) * 1984-12-20 1986-07-30 Rhone-Poulenc Sante Compositions pour l'enrobage des additifs alimentaires destinés aux ruminants et additifs alimentaires ainsi enrobés
EP0378137A2 (fr) * 1989-01-13 1990-07-18 Kali-Chemie Pharma GmbH Forme galénique
WO1998005320A1 (fr) * 1996-08-07 1998-02-12 Jouveinal Comprime de maleate de trimebutine pellicule

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175539A (ja) * 1984-02-23 1985-09-09 Snow Brand Milk Prod Co Ltd カプセル体およびその製造法
CH666405A5 (de) * 1985-06-24 1988-07-29 Ciba Geigy Ag Feste, haltbare darreichungsformen mit elastischem filmueberzug.
SE459005B (sv) * 1985-07-12 1989-05-29 Aake Rikard Lindahl Saett att framstaella sfaeriska polymerpartiklar
JPS63188621A (ja) * 1987-01-30 1988-08-04 Taisho Pharmaceut Co Ltd 矯味経口製剤
KR880012221A (ko) * 1987-04-13 1988-11-26 사노 가즈오 에스테르 또는 아미드를 활성성분으로 함유하는 약제 조성물
US4996047A (en) * 1988-11-02 1991-02-26 Richardson-Vicks, Inc. Sustained release drug-resin complexes
FR2640876B1 (fr) * 1988-12-28 1993-09-24 Jouveinal Sa
US5196203A (en) * 1989-01-06 1993-03-23 F. H. Faulding & Co. Limited Theophylline dosage form
US5202128A (en) * 1989-01-06 1993-04-13 F. H. Faulding & Co. Limited Sustained release pharmaceutical composition
DK469989D0 (da) * 1989-09-22 1989-09-22 Bukh Meditec Farmaceutisk praeparat
US5149775A (en) * 1991-01-25 1992-09-22 Eastman Kodak Company Method for purifying high molecular weight vinylpyridine/styrene polymers from solution
US5840332A (en) * 1996-01-18 1998-11-24 Perio Products Ltd. Gastrointestinal drug delivery system
WO1998014179A1 (fr) * 1996-10-01 1998-04-09 Cima Labs Inc. Compositions en microcapsule a masquage de gout et procedes de fabrication
DE19810803A1 (de) * 1998-03-12 1999-09-16 Wacker Chemie Gmbh Verfahren zur Herstellung mikroverkapselter Produkte mit Organopolysiloxanwänden
US6878309B2 (en) * 2001-02-12 2005-04-12 Dober Chemical Corp. Controlled release cooling additive composition
US8101209B2 (en) 2001-10-09 2012-01-24 Flamel Technologies Microparticulate oral galenical form for the delayed and controlled release of pharmaceutical active principles
ES2314227T7 (es) 2002-04-09 2012-11-19 Flamel Technologies Formulacion farmaceutica oral en forma de suspension acuosa de microcapsulas que permiten la liberacion modificada de amoxilicina.
ATE419840T1 (de) 2002-04-09 2009-01-15 Flamel Tech Sa Orale wässrige suspension, mikrokapseln enthaltend, zur kontrollierten freisetzung von wirkstoffen
FR2886150B1 (fr) * 2005-05-24 2007-08-24 Flamel Technologies Sa Forme pharmaceutique orale a base d'au moins un principe actif dont la solubilite varie en fonction des conditions de ph gastrique
CN108404825B (zh) * 2018-03-02 2021-01-29 清华大学 一种纳米铁粉微胶囊化方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50148520A (fr) * 1974-05-25 1975-11-28
GB1511852A (en) * 1975-09-11 1978-05-24 Beecham Group Ltd Reconstitutable powders
GB2061866A (en) * 1979-10-31 1981-05-20 Tanabe Seiyaku Co Process for preparing pharmaceutically active compound-containing microcapsules
EP0038979A1 (fr) * 1980-04-25 1981-11-04 Tanabe Seiyaku Co., Ltd. Procédé de préparation de microcapsules éthylcellulosiques
FR2498084A1 (fr) * 1981-01-19 1982-07-23 Tanabe Seiyaku Co Procede de preparation de microcapsules

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415758A (en) * 1960-03-09 1968-12-10 Ncr Co Process of forming minute capsules en masse
US3531418A (en) * 1965-08-18 1970-09-29 Ncr Co En masse encapsulation process
JPS5214234B2 (fr) * 1971-07-30 1977-04-20
GB1413186A (en) * 1973-06-27 1975-11-12 Toyo Jozo Kk Process for encapsulation of medicaments
JPS5432614A (en) * 1977-08-11 1979-03-10 Tanabe Seiyaku Co Ltd Preparation of microcapsules containing pharmaceuticals

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50148520A (fr) * 1974-05-25 1975-11-28
GB1511852A (en) * 1975-09-11 1978-05-24 Beecham Group Ltd Reconstitutable powders
GB2061866A (en) * 1979-10-31 1981-05-20 Tanabe Seiyaku Co Process for preparing pharmaceutically active compound-containing microcapsules
EP0038979A1 (fr) * 1980-04-25 1981-11-04 Tanabe Seiyaku Co., Ltd. Procédé de préparation de microcapsules éthylcellulosiques
FR2498084A1 (fr) * 1981-01-19 1982-07-23 Tanabe Seiyaku Co Procede de preparation de microcapsules

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 84, no. 2, 14 juin 1976, page 332, abrégé no. 169659s, Columbus, Ohio, US; & JP - A - 75 148 520 (YAMANOUCHI PHARMACEUTICAL CO., LTD.) 28-11-1975 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0188953A2 (fr) * 1984-12-20 1986-07-30 Rhone-Poulenc Sante Compositions pour l'enrobage des additifs alimentaires destinés aux ruminants et additifs alimentaires ainsi enrobés
EP0188953A3 (en) * 1984-12-20 1986-08-13 Rhone-Poulenc Sante Compositions for coating feedstuff additives for ruminants, and feedstuff additives so coated
EP0378137A2 (fr) * 1989-01-13 1990-07-18 Kali-Chemie Pharma GmbH Forme galénique
EP0378137A3 (fr) * 1989-01-13 1990-11-22 Kali-Chemie Pharma GmbH Forme galénique
WO1998005320A1 (fr) * 1996-08-07 1998-02-12 Jouveinal Comprime de maleate de trimebutine pellicule
FR2752162A1 (fr) * 1996-08-07 1998-02-13 Jouveinal Lab Comprime de maleate de trimebutine pellicule
GR1002907B (el) * 1996-08-07 1998-05-13 Jouveinal Laboratoires Επικαλυμμενο δισκιο μηλεινικης τριμεβουτινης
ES2130081A1 (es) * 1996-08-07 1999-06-16 Jouveninal Laboratoires Comprimido de maleato de trimebutina con recubrimiento laminar.
EA001506B1 (ru) * 1996-08-07 2001-04-23 Парк-Давиз Таблетка малеата тримебутина, покрытая оболочкой

Also Published As

Publication number Publication date
JPS6351735B2 (fr) 1988-10-14
DE3218059A1 (de) 1982-12-16
GB2101069B (en) 1985-01-09
CH653552A5 (de) 1986-01-15
JPS57197214A (en) 1982-12-03
FR2506613B1 (fr) 1987-03-20
US4486471A (en) 1984-12-04
DE3218059C2 (de) 1986-07-03
IT1152200B (it) 1986-12-31
GB2101069A (en) 1983-01-12
IT8221531A0 (it) 1982-05-27

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Legal Events

Date Code Title Description
ST Notification of lapse