SG10888G - Microcapsules and method of preparing same - Google Patents

Microcapsules and method of preparing same

Info

Publication number
SG10888G
SG10888G SG108/88A SG10888A SG10888G SG 10888 G SG10888 G SG 10888G SG 108/88 A SG108/88 A SG 108/88A SG 10888 A SG10888 A SG 10888A SG 10888 G SG10888 G SG 10888G
Authority
SG
Singapore
Prior art keywords
microcapsules
preparing same
core material
ethylcellulose
ethycellulose
Prior art date
Application number
SG108/88A
Other languages
English (en)
Original Assignee
Tanabe Seiyaku Co
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 filed Critical Tanabe Seiyaku Co
Publication of SG10888G publication Critical patent/SG10888G/en

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
    • 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
    • B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
    • 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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; 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
    • A61K9/5036—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
    • A61K9/5036—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]

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
SG108/88A 1981-10-05 1988-02-06 Microcapsules and method of preparing same SG10888G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56159285A JPS5858146A (ja) 1981-10-05 1981-10-05 速放性マイクロカプセル

Publications (1)

Publication Number Publication Date
SG10888G true SG10888G (en) 1989-09-22

Family

ID=15690449

Family Applications (1)

Application Number Title Priority Date Filing Date
SG108/88A SG10888G (en) 1981-10-05 1988-02-06 Microcapsules and method of preparing same

Country Status (8)

Country Link
US (1) US4462982A (fr)
EP (1) EP0076428B1 (fr)
JP (1) JPS5858146A (fr)
KR (1) KR860001561B1 (fr)
AT (1) ATE14193T1 (fr)
DE (1) DE3264675D1 (fr)
HK (1) HK41488A (fr)
SG (1) SG10888G (fr)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5364620A (en) * 1983-12-22 1994-11-15 Elan Corporation, Plc Controlled absorption diltiazem formulation for once daily administration
US4911920A (en) * 1986-07-30 1990-03-27 Alcon Laboratories, Inc. Sustained release, comfort formulation for glaucoma therapy
GB8518301D0 (en) * 1985-07-19 1985-08-29 Fujisawa Pharmaceutical Co Hydrodynamically explosive systems
US4931279A (en) * 1985-08-16 1990-06-05 Bausch & Lomb Incorporated Sustained release formulation containing an ion-exchange resin
JPS6365945A (ja) * 1986-09-05 1988-03-24 Eisai Co Ltd マイクロカプセルの製造方法
US4752470A (en) * 1986-11-24 1988-06-21 Mehta Atul M Controlled release indomethacin
GB8702411D0 (en) * 1987-02-03 1987-03-11 Zyma Sa Swellable pellets
US4784879A (en) * 1987-07-20 1988-11-15 Dow Corning Corporation Method for preparing a microencapsulated compound of a platinum group metal
US4766176A (en) * 1987-07-20 1988-08-23 Dow Corning Corporation Storage stable heat curable organosiloxane compositions containing microencapsulated platinum-containing catalysts
USRE33749E (en) * 1987-07-20 1991-11-19 Dow Corning Corporation Storage stable heat curable organosiloxane compositions containing microencapsulated platinum-containing catalysts
US5093126A (en) * 1987-09-26 1992-03-03 Alcon Laboratories, Inc. Glaucoma formulations comprising an anionic, polysulfonic acid polymer having mucomimetic properties and a polystyrene sulfonic polymer
US5466469A (en) * 1988-06-28 1995-11-14 Cibus Pharmaceutical, Inc. Granular drug delivery system
US5015480A (en) * 1987-11-25 1991-05-14 Eli Lilly And Company Film coating formulations
JPH01207132A (ja) * 1988-02-12 1989-08-21 Matsumoto Yushi Seiyaku Kk 強化マイクロカプセル
JPH01207133A (ja) * 1988-02-12 1989-08-21 Matsumoto Yushi Seiyaku Kk 多孔性マイクロカプセル
US5164195A (en) * 1988-04-19 1992-11-17 Southwest Research Institute Method of oral delivery with an adherent controlled-release salt sensitive capsule
FR2640876B1 (fr) * 1988-12-28 1993-09-24 Jouveinal Sa
HU201869B (en) * 1988-12-30 1991-01-28 Egyt Gyogyszervegyeszeti Gyar Process for producing microcapsules of quick dissolving active component
GB8903593D0 (en) * 1989-02-16 1989-04-05 Pafra Ltd Storage of materials
US5007790A (en) * 1989-04-11 1991-04-16 Depomed Systems, Inc. Sustained-release oral drug dosage form
US5015691A (en) * 1989-05-22 1991-05-14 General Electric Company One part heat curable organopolysiloxane compositions
US5082669A (en) * 1989-07-20 1992-01-21 Dainippon Pharmaceutical Co., Ltd. Rapid-releasing oral particle pharmaceutical preparation with unpleasant taste masked
US5000962A (en) * 1989-08-25 1991-03-19 Schering Corporation Long acting diltiazem formulation
US4992277A (en) * 1989-08-25 1991-02-12 Schering Corporation Immediate release diltiazem formulation
JP3034592B2 (ja) * 1990-11-20 2000-04-17 わかもと製薬株式会社 経口用固形製剤及びその製造法
US5252337A (en) * 1991-06-25 1993-10-12 Eurand America, Inc. Controlled release calcium channel blocker microcapsules
GB2258613B (en) * 1991-08-12 1996-01-10 Euro Celtique Sa Pharmaceutical diltiazem formulation
US5422122A (en) * 1992-08-04 1995-06-06 Eurand America, Incorporated Controlled release potassium chloride tablet
FR2702375B1 (fr) * 1993-03-08 1995-05-05 Virbac Laboratoires Microcapsules à libération progressive, leur procédé de préparation et compositions pharmaceutiques ou vétérinaires les contenant.
ZA945944B (en) * 1993-08-13 1996-02-08 Eurand America Inc Procedure for encapsulating nsaids
GB9401894D0 (en) * 1994-02-01 1994-03-30 Rhone Poulenc Rorer Ltd New compositions of matter
US5840338A (en) * 1994-07-18 1998-11-24 Roos; Eric J. Loading of biologically active solutes into polymer gels
US6290991B1 (en) 1994-12-02 2001-09-18 Quandrant Holdings Cambridge Limited Solid dose delivery vehicle and methods of making same
US5639475A (en) * 1995-02-03 1997-06-17 Eurand America, Incorporated Effervescent microcapsules
US5498705A (en) * 1995-02-22 1996-03-12 Kimberly-Clark Corporation Modified polysaccharides having improved absorbent properties and process for the preparation thereof
US6309671B1 (en) 1995-04-14 2001-10-30 Inhale Therapeutic Systems Stable glassy state powder formulations
FR2752162B1 (fr) * 1996-08-07 1998-11-06 Jouveinal Lab Comprime de maleate de trimebutine pellicule
GB2325652A (en) * 1997-05-31 1998-12-02 Camperlands Limited Folding camper with a rigid roof extension
US6258350B1 (en) 1999-01-20 2001-07-10 Alcon Manufacturing, Ltd. Sustained release ophthalmic formulation
ES2162746B1 (es) * 1999-10-21 2003-02-16 Lipotec Sa Microcapsulas para la estabilizacion de productos cosmeticos, farmaceuticos o de alimentacion.
EP1138330A1 (fr) * 1999-12-23 2001-10-04 Warner-Lambert Company Composition d'une combinaison de trimébutine et d'un opioide analgésique
US20020043496A1 (en) * 2000-08-01 2002-04-18 Boddu Veera M. Composite biosorbent for treatment of waste aqueous system(s) containing heavy metals
EP1461009A2 (fr) * 2001-12-03 2004-09-29 Belmon Nurit Ltd. Creme adoucissante
US7001615B1 (en) 2001-12-07 2006-02-21 Alcon, Inc. Sustained release ophthalmic, otic and nasal suspension
US20030133982A1 (en) * 2001-12-20 2003-07-17 Heimlich John M. Zero-order sustained release dosage forms and method of making same
US7488496B2 (en) * 2002-03-06 2009-02-10 Christer Rosen Effervescent compositions comprising bisphosphonates and methods related thereto
EP2277503B1 (fr) 2002-03-06 2014-02-12 EffRx Pharmaceuticals SA Compositions effervescentes comprenant des bisphosphonates
US20040010035A1 (en) * 2002-07-15 2004-01-15 Ciociola Arthur A. Gastrointestinal compositions
MXPA05000477A (es) * 2002-07-10 2005-03-23 Warner Lambert Co Composiciones gastrointestinales.
US6986901B2 (en) * 2002-07-15 2006-01-17 Warner-Lambert Company Llc Gastrointestinal compositions
DE10244504A1 (de) * 2002-09-25 2004-04-08 Capsulution Nanoscience Ag Schnellfreisetzende Darreichungsform mit schwerlöslichem Wirkstoff
AU2003285189B2 (en) * 2002-11-14 2006-07-27 Shear/Kershman Laboratories, Inc. Oral testosterone delivery system with improved sustained release
WO2004091770A1 (fr) * 2003-04-17 2004-10-28 Innogel Ag Systeme d'encapsulation
US7060854B2 (en) * 2003-06-24 2006-06-13 Medicinova, Inc. Process for making polymorphic form A of 4-[6-acetyl-3-[3-(4-acetyl-3-hydroxy-2-propylphenylthio)propoxy]-2-propylphenoxy]butyric acid
US7064146B2 (en) * 2003-06-24 2006-06-20 Medicinova, Inc. Pharmaceutical compositions of isolated orthorhombic crystalline 4-[6-acetyl-3-[3-(4-acetyl-3-hydroxy-2-propylphenylthio)propoxy]-2-propylphenoxy]butyric acid and methods of use
US7632521B2 (en) * 2003-07-15 2009-12-15 Eurand, Inc. Controlled release potassium chloride tablets
GB0501060D0 (en) * 2005-01-19 2005-02-23 Central Science Lab Representi Microcapsule
GB0501030D0 (en) * 2005-01-19 2005-02-23 Central Science Lab The Formulation
WO2009153798A1 (fr) * 2008-06-16 2009-12-23 Natco Pharma Limited Dextrine réticulée utilisée comme agent désintégrant/excipient dans un comprimé
VN27088A1 (en) * 2008-07-31 2011-08-25 Feyecon Bv Microencapsulate and process for the manufacture thereof.
GB0901084D0 (en) 2009-01-22 2009-03-11 Trayner David J Autostereoscopic display
US9205395B2 (en) * 2009-10-15 2015-12-08 Encapsys, Llc Encapsulation
EP2678101A1 (fr) * 2011-02-25 2014-01-01 Milliken & Company Capsules et compositions comprenant celles-ci
JP2014521689A (ja) * 2011-08-01 2014-08-28 エイチビー・バイオテクノロジーズ・コーポレーション 流体吸収材料の送達のための難消化性カプセル
JP7267439B2 (ja) * 2019-02-13 2023-05-01 シムライズ アーゲー マイクロカプセルの調製のためのプロセス
CN111632560A (zh) * 2020-05-08 2020-09-08 云南巴菰生物科技有限公司 一种持续释香晶球颗粒的制备方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485914A (en) * 1966-07-05 1969-12-23 Chem & Pharm Patent Hold Ltd Process for the production of a pharmaceutical antibiotic preparation having delayed therapeutic action and the composition prepared according to such process
US3909444A (en) * 1971-08-05 1975-09-30 Ncr Co Microcapsule
US3847895A (en) * 1971-09-30 1974-11-12 Gaf Corp Substituted sulfophenyl-azo-naphthylazo-anilide compounds
BE791458A (fr) * 1972-07-31 1973-05-16 Merck & Co Inc Produit microencapsule
JPS49100216A (fr) * 1973-02-01 1974-09-21
FR2353285A1 (fr) * 1975-09-17 1977-12-30 Doms Laboratoires Medicament vasodilatateur coronarien perfectionne
SE418247B (sv) * 1975-11-17 1981-05-18 Haessle Ab Sett att framstella kroppar med reglerad frigoring av en aktiv komponent
JPS52120184A (en) * 1976-03-31 1977-10-08 Denki Kagaku Kogyo Kk Preparation of microcapsules containing microbial cells
JPS5432614A (en) * 1977-08-11 1979-03-10 Tanabe Seiyaku Co Ltd Preparation of microcapsules containing pharmaceuticals
JPS54119021A (en) * 1978-03-06 1979-09-14 Nippon Kayaku Co Ltd Carcinostatic agent
US4205060A (en) * 1978-12-20 1980-05-27 Pennwalt Corporation Microcapsules containing medicament-polymer salt having a water-insoluble polymer sheath, their production and their use
US4252786A (en) * 1979-11-16 1981-02-24 E. R. Squibb & Sons, Inc. Controlled release tablet

Also Published As

Publication number Publication date
DE3264675D1 (en) 1985-08-14
EP0076428A1 (fr) 1983-04-13
US4462982A (en) 1984-07-31
JPS6323823B2 (fr) 1988-05-18
EP0076428B1 (fr) 1985-07-10
ATE14193T1 (de) 1985-07-15
KR840001830A (ko) 1984-06-07
JPS5858146A (ja) 1983-04-06
HK41488A (en) 1988-06-10
KR860001561B1 (ko) 1986-10-08

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