ES2073538T3 - Estructuras para liberacion gradual fabricadas por tecnicas de hilatura de fibras. - Google Patents

Estructuras para liberacion gradual fabricadas por tecnicas de hilatura de fibras.

Info

Publication number
ES2073538T3
ES2073538T3 ES90310799T ES90310799T ES2073538T3 ES 2073538 T3 ES2073538 T3 ES 2073538T3 ES 90310799 T ES90310799 T ES 90310799T ES 90310799 T ES90310799 T ES 90310799T ES 2073538 T3 ES2073538 T3 ES 2073538T3
Authority
ES
Spain
Prior art keywords
active agent
fiber
gradual release
fiber spinning
structures made
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
ES90310799T
Other languages
English (en)
Inventor
Joo Hae Song
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.)
WM Wrigley Jr Co
Original Assignee
WM Wrigley Jr Co
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 WM Wrigley Jr Co filed Critical WM Wrigley Jr Co
Application granted granted Critical
Publication of ES2073538T3 publication Critical patent/ES2073538T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/06—Chewing gum characterised by the composition containing organic or inorganic compounds
    • A23G4/064—Chewing gum characterised by the composition containing organic or inorganic compounds containing inorganic compounds
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/18—Chewing gum characterised by shape, structure or physical form, e.g. aerated products
    • A23G4/20—Composite products, e.g. centre-filled, multi-layer, laminated
    • 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
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Veterinary Medicine (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Inorganic Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Medicinal Preparation (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Materials For Medical Uses (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Seasonings (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fats And Perfumes (AREA)
  • Inorganic Fibers (AREA)
  • Pens And Brushes (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

ES PROVISTO UN SISTEMA DE DISTRIBUCION Y UN PROCESO PARA HACER EL SISTEMA, PARA LA LIBERACION GRADUAL DE UN AGENTE ACTIVO. EL SISTEMA COMPRENDE UN AGENTE ACTIVO Y UN MATERIAL DE PARED. EL SISTEMA DE DISTRIBUCION ESTA FORMADO POR ROTAR FUNDIDOS UNA MEZCLA DE PARTICULAS DEL AGENTE ACTIVO Y EL MATERIAL DE PARED DENTRO DE UNA FIBRA. LA FIBRA TIENE UNA DIMENSION LONGITUDINAL Y UNA DIMENSION DE SECCION TRANSVERSAL, SIENDO ESTA NO MAS GRANDE QUE 1 MM. LA FIBRA TIENE UNA SUPERFICIE EXTERIOR. LAS PARTICULAS DEL AGENTE ACTIVO ESTAN DISPERSADAS A TRAVES DEL MATERIAL DE PARED, TAL QUE LAS PARTICULAS DEL AGENTE ACTIVO SON GRADUALMENTE LIBERADAS DE LA FIBRA CUANDO LA FIBRA ES CONTACTADA CON UN SOLVENTE ESPECIFICO AL AGENTE ACTIVO.
ES90310799T 1989-10-10 1990-10-03 Estructuras para liberacion gradual fabricadas por tecnicas de hilatura de fibras. Expired - Lifetime ES2073538T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41866289A 1989-10-10 1989-10-10

Publications (1)

Publication Number Publication Date
ES2073538T3 true ES2073538T3 (es) 1995-08-16

Family

ID=23659051

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90310799T Expired - Lifetime ES2073538T3 (es) 1989-10-10 1990-10-03 Estructuras para liberacion gradual fabricadas por tecnicas de hilatura de fibras.

Country Status (13)

Country Link
US (1) US5364627A (es)
EP (1) EP0422820B1 (es)
JP (1) JPH03206110A (es)
CN (1) CN1054368A (es)
AT (1) ATE123650T1 (es)
AU (1) AU639645B2 (es)
CA (1) CA2025764C (es)
DE (2) DE69020088T2 (es)
DK (1) DK0422820T3 (es)
ES (1) ES2073538T3 (es)
FI (1) FI904598A7 (es)
NO (1) NO904370L (es)
NZ (1) NZ235372A (es)

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AU639645B2 (en) 1993-07-29
ATE123650T1 (de) 1995-06-15
DE422820T1 (de) 1991-11-28
NZ235372A (en) 1992-05-26
CA2025764A1 (en) 1991-04-11
FI904598A0 (fi) 1990-09-18
JPH03206110A (ja) 1991-09-09
DK0422820T3 (da) 1995-08-14
EP0422820A3 (en) 1991-09-11
NO904370D0 (no) 1990-10-09
US5364627A (en) 1994-11-15
CN1054368A (zh) 1991-09-11
DE69020088T2 (de) 1996-02-01
EP0422820B1 (en) 1995-06-14
EP0422820A2 (en) 1991-04-17
CA2025764C (en) 1996-09-03
DE69020088D1 (de) 1995-07-20
AU6263990A (en) 1991-04-26
NO904370L (no) 1991-04-11
FI904598A7 (fi) 1991-04-11

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