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)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5764038

Family Applications (1)

Country Status (13)

Families Citing this family (11)

• 1970
  • 1970-03-04 DE DE19702010116 patent/DE2010116A1/en active Pending
• 1971
  • 1971-02-17 IL IL36222A patent/IL36222A/en unknown
  • 1971-02-18 ZA ZA711052A patent/ZA711052B/en unknown
  • 1971-03-01 AT AT173571A patent/AT310127B/en not_active IP Right Cessation
  • 1971-03-02 CA CA106615A patent/CA922588A/en not_active Expired
  • 1971-03-03 CS CS158871A patent/CS158290B2/cs unknown
  • 1971-03-03 TR TR16847A patent/TR16847A/en unknown
  • 1971-03-03 CH CH307871A patent/CH549408A/en not_active IP Right Cessation
  • 1971-03-04 JP JP1101371A patent/JPS5344424B1/ja active Pending
  • 1971-03-04 BE BE763791A patent/BE763791A/xx unknown
  • 1971-03-04 ES ES388917A patent/ES388917A1/en not_active Expired
  • 1971-03-04 FR FR7107509A patent/FR2084200A5/fr not_active Expired
  • 1971-04-19 GB GB1297476D patent/GB1297476A/en not_active Expired

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