ES8603273A1 - Un procedimiento para preparar disposiciones de hidrogel portadoras de agente activo - Google Patents

Un procedimiento para preparar disposiciones de hidrogel portadoras de agente activo

Info

Publication number
ES8603273A1
ES8603273A1 ES542948A ES542948A ES8603273A1 ES 8603273 A1 ES8603273 A1 ES 8603273A1 ES 542948 A ES542948 A ES 542948A ES 542948 A ES542948 A ES 542948A ES 8603273 A1 ES8603273 A1 ES 8603273A1
Authority
ES
Spain
Prior art keywords
active agent
hydrogel
procedure
arrangement
solvent
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
ES542948A
Other languages
English (en)
Spanish (es)
Other versions
ES542948A0 (es
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES542948A0 publication Critical patent/ES542948A0/es
Publication of ES8603273A1 publication Critical patent/ES8603273A1/es
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
    • A61K9/14—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
    • A61K9/1635—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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Preparation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
  • Cosmetics (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Steroid Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Colloid Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
ES542948A 1984-05-10 1985-05-09 Un procedimiento para preparar disposiciones de hidrogel portadoras de agente activo Expired ES8603273A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/608,756 US4624848A (en) 1984-05-10 1984-05-10 Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use

Publications (2)

Publication Number Publication Date
ES542948A0 ES542948A0 (es) 1986-01-01
ES8603273A1 true ES8603273A1 (es) 1986-01-01

Family

ID=24437841

Family Applications (1)

Application Number Title Priority Date Filing Date
ES542948A Expired ES8603273A1 (es) 1984-05-10 1985-05-09 Un procedimiento para preparar disposiciones de hidrogel portadoras de agente activo

Country Status (16)

Country Link
US (1) US4624848A (OSRAM)
EP (1) EP0164311B1 (OSRAM)
JP (1) JPS619A (OSRAM)
AT (1) ATE61731T1 (OSRAM)
AU (1) AU583507B2 (OSRAM)
CA (1) CA1246447A (OSRAM)
DE (1) DE3582193D1 (OSRAM)
DK (1) DK205185A (OSRAM)
ES (1) ES8603273A1 (OSRAM)
FI (1) FI851801L (OSRAM)
GR (1) GR851114B (OSRAM)
IL (1) IL75129A (OSRAM)
NZ (1) NZ212030A (OSRAM)
PH (1) PH24100A (OSRAM)
PT (1) PT80416B (OSRAM)
ZA (1) ZA853511B (OSRAM)

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Also Published As

Publication number Publication date
ES542948A0 (es) 1986-01-01
EP0164311A3 (en) 1987-06-03
DK205185D0 (da) 1985-05-09
PH24100A (en) 1990-03-05
DK205185A (da) 1985-11-11
FI851801A7 (fi) 1985-11-11
DE3582193D1 (de) 1991-04-25
JPS619A (ja) 1986-01-06
FI851801A0 (fi) 1985-05-08
IL75129A0 (en) 1985-09-29
IL75129A (en) 1989-08-15
GR851114B (OSRAM) 1985-11-25
US4624848A (en) 1986-11-25
CA1246447A (en) 1988-12-13
AU583507B2 (en) 1989-05-04
AU4221685A (en) 1985-11-14
ATE61731T1 (de) 1991-04-15
NZ212030A (en) 1988-01-08
EP0164311A2 (en) 1985-12-11
FI851801L (fi) 1985-11-11
PT80416A (en) 1985-06-01
PT80416B (en) 1987-04-16
EP0164311B1 (en) 1991-03-20
ZA853511B (en) 1985-12-24

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