CH549408A - Verfahren zur herstellung von mikrogranulaten. - Google Patents

Verfahren zur herstellung von mikrogranulaten.

Info

Publication number
CH549408A
CH549408A CH307871A CH307871A CH549408A CH 549408 A CH549408 A CH 549408A CH 307871 A CH307871 A CH 307871A CH 307871 A CH307871 A CH 307871A CH 549408 A CH549408 A CH 549408A
Authority
CH
Switzerland
Prior art keywords
microgranulates
producing
producing microgranulates
Prior art date
Application number
CH307871A
Other languages
German (de)
English (en)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of CH549408A publication Critical patent/CH549408A/xx

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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
CH307871A 1970-03-04 1971-03-03 Verfahren zur herstellung von mikrogranulaten. CH549408A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702010116 DE2010116A1 (de) 1970-03-04 1970-03-04 Verfahren zur Herstellung von Mikrogranulaten

Publications (1)

Publication Number Publication Date
CH549408A true CH549408A (de) 1974-05-31

Family

ID=5764038

Family Applications (1)

Application Number Title Priority Date Filing Date
CH307871A CH549408A (de) 1970-03-04 1971-03-03 Verfahren zur herstellung von mikrogranulaten.

Country Status (13)

Country Link
JP (1) JPS5344424B1 (xx)
AT (1) AT310127B (xx)
BE (1) BE763791A (xx)
CA (1) CA922588A (xx)
CH (1) CH549408A (xx)
CS (1) CS158290B2 (xx)
DE (1) DE2010116A1 (xx)
ES (1) ES388917A1 (xx)
FR (1) FR2084200A5 (xx)
GB (1) GB1297476A (xx)
IL (1) IL36222A (xx)
TR (1) TR16847A (xx)
ZA (1) ZA711052B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2950977A1 (de) * 1978-12-22 1980-07-10 Donald E Panoz Neue galenische zubereitungsform fuer die orale verabreichung von medikamenten mit programmierter besetzung, sowie verfahren zu ihrer herstellung
US4389330A (en) * 1980-10-06 1983-06-21 Stolle Research And Development Corporation Microencapsulation process
DD160393A3 (de) * 1980-11-14 1983-07-27 Horst Dautzenberg Mikrokapseln und verfahren zu ihrer herstellung
JP2534691B2 (ja) * 1986-12-26 1996-09-18 トツパン・ム−ア株式会社 高ち密性マイクロカプセルの製造方法
WO1999055774A1 (en) * 1998-04-24 1999-11-04 Eastman Chemical Company Coprecipitation of cellulose esters with functional additives and compositions thus obtainable
EP1044683A1 (en) * 1999-04-15 2000-10-18 Debio Recherche Pharmaceutique S.A. One-step dispersion method for the microencapsulation of water soluble substances
CN1189159C (zh) * 2000-05-05 2005-02-16 欧莱雅 含水溶性美容活性组分水性核的微胶囊及含其的组合物
WO2005061095A1 (ja) * 2003-12-24 2005-07-07 Mg Pharmacy Inc. 微小球体の製造方法およびその製造装置
GB201016436D0 (en) 2010-09-30 2010-11-17 Q Chip Ltd Method of making solid beads
GB201016433D0 (en) 2010-09-30 2010-11-17 Q Chip Ltd Apparatus and method for making solid beads
WO2019238892A1 (en) * 2018-06-15 2019-12-19 Taminco Bvba Treatment of poultry or pigs for reducing the feed conversion ratio or increasing their bodyweight gain

Also Published As

Publication number Publication date
FR2084200A5 (xx) 1971-12-17
CA922588A (en) 1973-03-13
IL36222A (en) 1973-08-29
ES388917A1 (es) 1974-02-16
TR16847A (tr) 1973-07-01
CS158290B2 (xx) 1974-10-15
AT310127B (de) 1973-09-25
ZA711052B (en) 1971-10-27
DE2010116A1 (de) 1971-09-16
GB1297476A (xx) 1972-11-22
JPS5344424B1 (xx) 1978-11-29
SU379074A3 (xx) 1973-04-18
BE763791A (xx) 1971-08-02
IL36222A0 (en) 1971-04-28

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Legal Events

Date Code Title Description
PL Patent ceased