CA922588A - Process for the production of microgranulates - Google Patents

Process for the production of microgranulates

Info

Publication number
CA922588A
CA922588A CA106615A CA106615A CA922588A CA 922588 A CA922588 A CA 922588A CA 106615 A CA106615 A CA 106615A CA 106615 A CA106615 A CA 106615A CA 922588 A CA922588 A CA 922588A
Authority
CA
Canada
Prior art keywords
microgranulates
production
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
CA106615A
Other versions
CA106615S (en
Inventor
Pampus Gottfried
Schon Nikolaus
Schnoring Hildegard
Witte Josef
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.)
Bayer AG
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
Application granted granted Critical
Publication of CA922588A publication Critical patent/CA922588A/en
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
    • 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
CA106615A 1970-03-04 1971-03-02 Process for the production of microgranulates Expired CA922588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702010116 DE2010116A1 (en) 1970-03-04 1970-03-04 Process for the production of micro-granules

Publications (1)

Publication Number Publication Date
CA922588A true CA922588A (en) 1973-03-13

Family

ID=5764038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106615A Expired CA922588A (en) 1970-03-04 1971-03-02 Process for the production of microgranulates

Country Status (13)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2950977A1 (en) * 1978-12-22 1980-07-10 Donald E Panoz NEW GALENIC PREPARATION FOR THE ORAL ADMINISTRATION OF MEDICINES WITH PROGRAMMED ASSOCIATION, AND METHOD FOR THE PRODUCTION THEREOF
US4389330A (en) * 1980-10-06 1983-06-21 Stolle Research And Development Corporation Microencapsulation process
DD160393A3 (en) * 1980-11-14 1983-07-27 Horst Dautzenberg MICRO CAPSULES AND METHOD FOR THE PRODUCTION THEREOF
JP2534691B2 (en) * 1986-12-26 1996-09-18 トツパン・ム−ア株式会社 Method for producing high-density microcapsules
EP1073693A1 (en) * 1998-04-24 2001-02-07 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 (en) * 2000-05-05 2005-02-16 欧莱雅 Micro-capsule contg. water soluble beauty-care activity component water nuclear, and composition contg. same
AU2003292763A1 (en) * 2003-12-24 2005-07-14 Amato Pharmaceutical Products, Ltd. Process for producing microsphere and apparatus for producing the same
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
US20210244049A1 (en) * 2018-06-15 2021-08-12 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
AT310127B (en) 1973-09-25
GB1297476A (en) 1972-11-22
ZA711052B (en) 1971-10-27
IL36222A (en) 1973-08-29
ES388917A1 (en) 1974-02-16
FR2084200A5 (en) 1971-12-17
SU379074A3 (en) 1973-04-18
TR16847A (en) 1973-07-01
IL36222A0 (en) 1971-04-28
BE763791A (en) 1971-08-02
DE2010116A1 (en) 1971-09-16
CS158290B2 (en) 1974-10-15
JPS5344424B1 (en) 1978-11-29
CH549408A (en) 1974-05-31

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