DE3439722C2 - Osmotische Kapsel - Google Patents

Osmotische Kapsel

Info

Publication number
DE3439722C2
DE3439722C2 DE3439722A DE3439722A DE3439722C2 DE 3439722 C2 DE3439722 C2 DE 3439722C2 DE 3439722 A DE3439722 A DE 3439722A DE 3439722 A DE3439722 A DE 3439722A DE 3439722 C2 DE3439722 C2 DE 3439722C2
Authority
DE
Germany
Prior art keywords
capsule
osmotic
layer
active ingredient
cellulose
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 - Lifetime
Application number
DE3439722A
Other languages
German (de)
English (en)
Other versions
DE3439722A1 (de
Inventor
Joseph C Deters
Felix Theeuwes
Kevin J Mullins
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.)
Alza Corp
Original Assignee
Alza Corp
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 Alza Corp filed Critical Alza Corp
Publication of DE3439722A1 publication Critical patent/DE3439722A1/de
Application granted granted Critical
Publication of DE3439722C2 publication Critical patent/DE3439722C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0002Galenical forms characterised by the drug release technique; Application systems commanded by energy
    • A61K9/0004Osmotic delivery systems; Sustained release driven by osmosis, thermal energy or gas
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/93Water swellable or hydrophilic
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249955Void-containing component partially impregnated with adjacent component
    • Y10T428/249958Void-containing component is synthetic resin or natural rubbers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition
    • Y10T428/249988Of about the same composition as, and adjacent to, the void-containing component
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31725Of polyamide
    • Y10T428/31768Natural source-type polyamide [e.g., casein, gelatin, etc.]
    • Y10T428/31772Next to cellulosic

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Fats And Perfumes (AREA)
  • Cosmetics (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
DE3439722A 1983-11-02 1984-10-30 Osmotische Kapsel Expired - Lifetime DE3439722C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/548,219 US4627850A (en) 1983-11-02 1983-11-02 Osmotic capsule

Publications (2)

Publication Number Publication Date
DE3439722A1 DE3439722A1 (de) 1985-05-09
DE3439722C2 true DE3439722C2 (de) 2001-10-18

Family

ID=24187888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3439722A Expired - Lifetime DE3439722C2 (de) 1983-11-02 1984-10-30 Osmotische Kapsel

Country Status (9)

Country Link
US (1) US4627850A (enExample)
JP (1) JPS60103959A (enExample)
CA (1) CA1238543A (enExample)
CH (1) CH663352A5 (enExample)
DE (1) DE3439722C2 (enExample)
ES (1) ES282407Y (enExample)
FR (1) FR2554001B1 (enExample)
GB (1) GB2148712B (enExample)
IT (2) IT8453802V0 (enExample)

Families Citing this family (210)

* Cited by examiner, † Cited by third party
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CA1238543A (en) 1988-06-28
JPS60103959A (ja) 1985-06-08
IT8453802V0 (it) 1984-09-11
IT8467905A0 (it) 1984-09-11
CH663352A5 (de) 1987-12-15
GB2148712B (en) 1987-07-01
GB2148712A (en) 1985-06-05
DE3439722A1 (de) 1985-05-09
GB8413752D0 (en) 1984-07-04
JPH0155242B2 (enExample) 1989-11-22
IT8467905A1 (it) 1986-03-11
FR2554001A1 (fr) 1985-05-03
US4627850A (en) 1986-12-09
IT1179118B (it) 1987-09-16
ES282407U (es) 1985-06-16
ES282407Y (es) 1986-04-01
FR2554001B1 (fr) 1990-06-08

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