ATE68965T1 - Poroese polymerperlen zur wirkstoffabgabe. - Google Patents

Poroese polymerperlen zur wirkstoffabgabe.

Info

Publication number
ATE68965T1
ATE68965T1 AT87105338T AT87105338T ATE68965T1 AT E68965 T1 ATE68965 T1 AT E68965T1 AT 87105338 T AT87105338 T AT 87105338T AT 87105338 T AT87105338 T AT 87105338T AT E68965 T1 ATE68965 T1 AT E68965T1
Authority
AT
Austria
Prior art keywords
active ingredients
porous polymer
network
active ingredient
polymer bead
Prior art date
Application number
AT87105338T
Other languages
English (en)
Inventor
Richard Won
Original Assignee
Advanced Polymer Systems Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25132292&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE68965(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Advanced Polymer Systems Inc filed Critical Advanced Polymer Systems Inc
Application granted granted Critical
Publication of ATE68965T1 publication Critical patent/ATE68965T1/de

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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • C08J9/286—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum the liquid phase being a solvent for the monomers but not for the resulting macromolecular composition, i.e. macroporous or macroreticular polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Cosmetics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Fats And Perfumes (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
AT87105338T 1985-10-04 1987-04-10 Poroese polymerperlen zur wirkstoffabgabe. ATE68965T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/784,382 US4690825A (en) 1985-10-04 1985-10-04 Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen

Publications (1)

Publication Number Publication Date
ATE68965T1 true ATE68965T1 (de) 1991-11-15

Family

ID=25132292

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87105338T ATE68965T1 (de) 1985-10-04 1987-04-10 Poroese polymerperlen zur wirkstoffabgabe.

Country Status (9)

Country Link
US (1) US4690825A (de)
EP (1) EP0285694B1 (de)
JP (1) JP2680304B2 (de)
AT (1) ATE68965T1 (de)
AU (1) AU591264B2 (de)
DE (1) DE3774266D1 (de)
ES (1) ES2025570T3 (de)
GR (1) GR3003064T3 (de)
ZA (1) ZA872665B (de)

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AU7132287A (en) 1988-10-13
EP0285694A1 (de) 1988-10-12
JPS63256126A (ja) 1988-10-24
ES2025570T3 (es) 1992-04-01
GR3003064T3 (en) 1993-02-17
JP2680304B2 (ja) 1997-11-19
AU591264B2 (en) 1989-11-30
ZA872665B (en) 1987-12-30
US4690825A (en) 1987-09-01
DE3774266D1 (de) 1991-12-05
EP0285694B1 (de) 1991-10-30

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