DK171772B1 - Dannelse og indkapsling af små partikler - Google Patents

Dannelse og indkapsling af små partikler Download PDF

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Publication number
DK171772B1
DK171772B1 DK359186A DK359186A DK171772B1 DK 171772 B1 DK171772 B1 DK 171772B1 DK 359186 A DK359186 A DK 359186A DK 359186 A DK359186 A DK 359186A DK 171772 B1 DK171772 B1 DK 171772B1
Authority
DK
Denmark
Prior art keywords
encapsulating material
compound
solvent
solution
process according
Prior art date
Application number
DK359186A
Other languages
Danish (da)
English (en)
Other versions
DK359186A (da
DK359186D0 (da
Inventor
Arne Folke Brodin
Shulin Ding
Sylvan Gerald Frank
Original Assignee
Univ Ohio State Res Found
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 Univ Ohio State Res Found filed Critical Univ Ohio State Res Found
Publication of DK359186A publication Critical patent/DK359186A/da
Publication of DK359186D0 publication Critical patent/DK359186D0/da
Application granted granted Critical
Publication of DK171772B1 publication Critical patent/DK171772B1/da

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
    • 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
    • A61K9/5073—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 having two or more different coatings optionally including drug-containing subcoatings
    • 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
    • A61K9/1682—Processes
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • 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
    • B01J13/10—Complex coacervation, i.e. interaction of oppositely charged particles

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Dental Preparations (AREA)
  • Road Signs Or Road Markings (AREA)
  • Soft Magnetic Materials (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
DK359186A 1984-12-21 1986-07-29 Dannelse og indkapsling af små partikler DK171772B1 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/684,457 US4606940A (en) 1984-12-21 1984-12-21 Small particle formation and encapsulation
US68445784 1984-12-21
US8502492 1985-12-17
PCT/US1985/002492 WO1986003676A1 (en) 1984-12-21 1985-12-17 Small particle formation and encapsulation

Publications (3)

Publication Number Publication Date
DK359186A DK359186A (da) 1986-07-29
DK359186D0 DK359186D0 (da) 1986-07-29
DK171772B1 true DK171772B1 (da) 1997-05-20

Family

ID=24748123

Family Applications (1)

Application Number Title Priority Date Filing Date
DK359186A DK171772B1 (da) 1984-12-21 1986-07-29 Dannelse og indkapsling af små partikler

Country Status (18)

Country Link
US (1) US4606940A (xx)
EP (1) EP0207134B1 (xx)
JP (1) JPH0611395B2 (xx)
KR (1) KR930001803B1 (xx)
AT (1) ATE109974T1 (xx)
AU (1) AU588275B2 (xx)
CA (1) CA1239838A (xx)
DE (1) DE3587908T2 (xx)
DK (1) DK171772B1 (xx)
ES (1) ES8707424A1 (xx)
FI (1) FI83391C (xx)
HU (1) HU204695B (xx)
IL (1) IL77184A (xx)
MY (1) MY100084A (xx)
NO (1) NO173124C (xx)
NZ (1) NZ214598A (xx)
PH (1) PH21226A (xx)
WO (1) WO1986003676A1 (xx)

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FR2608988B1 (fr) * 1986-12-31 1991-01-11 Centre Nat Rech Scient Procede de preparation de systemes colloidaux dispersibles d'une substance, sous forme de nanoparticules
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US5108762A (en) * 1989-04-19 1992-04-28 Wm. Wrigley Jr. Company Gradual release structures for chewing gum
US5198251A (en) * 1989-04-19 1993-03-30 Wm. Wrigley Jr. Company Gradual release structures for chewing gum
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US5153029A (en) * 1989-08-11 1992-10-06 Eastman Kodak Company Solid-form additive systems dispersible in aqueous media, methods for the preparation and application thereof to polymeric particles
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AU639645B2 (en) * 1989-10-10 1993-07-29 Wm. Wrigley Jr. Company Gradual release structures made from fiber spinning techniques
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CA2902911C (en) 2014-10-31 2017-06-27 Purdue Pharma Methods and compositions particularly for treatment of attention deficit disorder
EP3432922B1 (en) 2016-03-21 2020-02-19 South Dakota Board of Regents Orf virus-based platform for vaccine delivery
RU2755345C2 (ru) 2016-12-14 2021-09-15 Зоэтис Сервисиз Ллс Эффективная вакцинация против европейских штаммов вируса репродуктивного и респираторного синдрома (prrs) до отлучения от матери
US10722473B2 (en) 2018-11-19 2020-07-28 Purdue Pharma L.P. Methods and compositions particularly for treatment of attention deficit disorder
CN114315985A (zh) 2020-09-29 2022-04-12 硕腾服务有限责任公司 减毒猪流行性腹泻病毒
CN115216451A (zh) 2021-04-16 2022-10-21 硕腾服务有限责任公司 伪狂犬病病毒疫苗
CN118267462A (zh) 2022-12-29 2024-07-02 硕腾服务有限责任公司 接种猪以抗伪狂犬病病毒的方法

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Also Published As

Publication number Publication date
DK359186A (da) 1986-07-29
ES550244A0 (es) 1987-08-01
JPS62501198A (ja) 1987-05-14
US4606940A (en) 1986-08-19
MY100084A (en) 1989-08-18
DE3587908T2 (de) 1995-01-05
HU204695B (en) 1992-02-28
NO863286L (no) 1986-08-14
ATE109974T1 (de) 1994-09-15
HUT40912A (en) 1987-03-30
EP0207134B1 (en) 1994-08-17
AU588275B2 (en) 1989-09-14
NZ214598A (en) 1989-02-24
DE3587908D1 (de) 1994-09-22
FI83391B (fi) 1991-03-28
AU5307586A (en) 1986-07-22
IL77184A0 (en) 1986-04-29
NO173124B (no) 1993-07-26
FI863372A (fi) 1986-08-20
PH21226A (en) 1987-08-21
FI863372A0 (fi) 1986-08-20
ES8707424A1 (es) 1987-08-01
CA1239838A (en) 1988-08-02
WO1986003676A1 (en) 1986-07-03
DK359186D0 (da) 1986-07-29
FI83391C (fi) 1991-07-10
JPH0611395B2 (ja) 1994-02-16
KR930001803B1 (ko) 1993-03-13
NO173124C (no) 1993-11-03
KR870700017A (ko) 1987-02-28
IL77184A (en) 1989-08-15
EP0207134A1 (en) 1987-01-07
NO863286D0 (no) 1986-08-14

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed