IT1214629B - Procedimento di microincapsulazione di un medicamento,medicamento cosi'preparato,e composizioni farmaceutiche che lo comprendono - Google Patents

Procedimento di microincapsulazione di un medicamento,medicamento cosi'preparato,e composizioni farmaceutiche che lo comprendono

Info

Publication number
IT1214629B
IT1214629B IT8522009A IT2200985A IT1214629B IT 1214629 B IT1214629 B IT 1214629B IT 8522009 A IT8522009 A IT 8522009A IT 2200985 A IT2200985 A IT 2200985A IT 1214629 B IT1214629 B IT 1214629B
Authority
IT
Italy
Prior art keywords
medication
coating agent
micro
prepared
pharmaceutical compositions
Prior art date
Application number
IT8522009A
Other languages
English (en)
Other versions
IT8522009A0 (it
Inventor
Mauro Valenti
Original Assignee
Formenti Farmaceutici Spa
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 Formenti Farmaceutici Spa filed Critical Formenti Farmaceutici Spa
Priority to IT8522009A priority Critical patent/IT1214629B/it
Publication of IT8522009A0 publication Critical patent/IT8522009A0/it
Priority to DE8686201400T priority patent/DE3686796T2/de
Priority to EP86201400A priority patent/EP0212751B1/en
Priority to AT86201400T priority patent/ATE80799T1/de
Priority to US06/899,147 priority patent/US4766012A/en
Priority to JP61202615A priority patent/JPH0780755B2/ja
Application granted granted Critical
Publication of IT1214629B publication Critical patent/IT1214629B/it

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
    • A61K9/5026—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
    • A61K9/5089—Processes
    • 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]
IT8522009A 1985-08-29 1985-08-29 Procedimento di microincapsulazione di un medicamento,medicamento cosi'preparato,e composizioni farmaceutiche che lo comprendono IT1214629B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT8522009A IT1214629B (it) 1985-08-29 1985-08-29 Procedimento di microincapsulazione di un medicamento,medicamento cosi'preparato,e composizioni farmaceutiche che lo comprendono
DE8686201400T DE3686796T2 (de) 1985-08-29 1986-08-08 Verfahren zur mikroverkapselung eines arzneistoffs, so hergestellter arzneistoff sowie diesen enthaltende arzneimittel.
EP86201400A EP0212751B1 (en) 1985-08-29 1986-08-08 Process for the microencapsulation of a medicament, medicament so prepared and pharmaceutical compositions comprising it
AT86201400T ATE80799T1 (de) 1985-08-29 1986-08-08 Verfahren zur mikroverkapselung eines arzneistoffs, so hergestellter arzneistoff sowie diesen enthaltende arzneimittel.
US06/899,147 US4766012A (en) 1985-08-29 1986-08-22 Microencapsulation of a medicament
JP61202615A JPH0780755B2 (ja) 1985-08-29 1986-08-28 薬物のマイクロカプセル封入方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8522009A IT1214629B (it) 1985-08-29 1985-08-29 Procedimento di microincapsulazione di un medicamento,medicamento cosi'preparato,e composizioni farmaceutiche che lo comprendono

Publications (2)

Publication Number Publication Date
IT8522009A0 IT8522009A0 (it) 1985-08-29
IT1214629B true IT1214629B (it) 1990-01-18

Family

ID=11190128

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8522009A IT1214629B (it) 1985-08-29 1985-08-29 Procedimento di microincapsulazione di un medicamento,medicamento cosi'preparato,e composizioni farmaceutiche che lo comprendono

Country Status (6)

Country Link
US (1) US4766012A (it)
EP (1) EP0212751B1 (it)
JP (1) JPH0780755B2 (it)
AT (1) ATE80799T1 (it)
DE (1) DE3686796T2 (it)
IT (1) IT1214629B (it)

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US7070806B2 (en) * 1992-01-27 2006-07-04 Purdue Pharma Lp Controlled release formulations coated with aqueous dispersions of acrylic polymers
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US5989539A (en) * 1995-03-31 1999-11-23 Emisphere Technologies, Inc. Compounds and compositions for delivering active agents
CN1151836C (zh) * 1995-03-31 2004-06-02 艾米斯菲尔技术有限公司 用作传送活性剂的化合物和组合物
US6001347A (en) 1995-03-31 1999-12-14 Emisphere Technologies, Inc. Compounds and compositions for delivering active agents
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US5866536A (en) * 1995-03-31 1999-02-02 Emisphere Technologies, Inc. Compounds and compositions for delivering active agents
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US5824345A (en) * 1995-06-07 1998-10-20 Emisphere Technologies, Inc. Fragrances and flavorants
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US6479082B1 (en) 1996-12-23 2002-11-12 Wm. Wrigley, Jr. Co. Process of increasing flavor release from chewing gum using hydroxypropyl cellulose and product thereof
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US6358504B1 (en) 1997-02-07 2002-03-19 Emisphere Technologies, Inc. Compounds and compositions for delivering active agents
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PT1018335E (pt) * 1999-01-06 2003-12-31 Tecnimede Sociedade Tecnico Medicinal Sa Processo para a formulacao de matrizes granulares atraves da precipitacao de polimeros em meio acido
DE60037799D1 (de) 1999-04-01 2008-03-06 Wrigley W M Jun Co Strukturen mit langanhaltender geschmacksabgabe fuer kaugummi
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ITMI20042356A1 (it) * 2004-12-10 2005-03-10 Acraf Composizione farmaceutica orodisperdibile e procedimento per prepararla
BRPI0618464A2 (pt) * 2005-11-11 2012-07-31 Firmenich & Cie processo para preparaÇço de cÁpsulas, e, cÁpsulas
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Also Published As

Publication number Publication date
DE3686796D1 (de) 1992-10-29
EP0212751A2 (en) 1987-03-04
EP0212751A3 (en) 1987-08-12
ATE80799T1 (de) 1992-10-15
DE3686796T2 (de) 1993-03-18
IT8522009A0 (it) 1985-08-29
JPH0780755B2 (ja) 1995-08-30
EP0212751B1 (en) 1992-09-23
US4766012A (en) 1988-08-23
JPS62103013A (ja) 1987-05-13

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970829