DK0494996T3 - Eroderbare makroporøse hydrogelpartikler og fremstilling heraf - Google Patents

Eroderbare makroporøse hydrogelpartikler og fremstilling heraf

Info

Publication number
DK0494996T3
DK0494996T3 DK90916604.3T DK90916604T DK0494996T3 DK 0494996 T3 DK0494996 T3 DK 0494996T3 DK 90916604 T DK90916604 T DK 90916604T DK 0494996 T3 DK0494996 T3 DK 0494996T3
Authority
DK
Denmark
Prior art keywords
hydrogel particles
erodable
preparation
macroporous hydrogel
active agent
Prior art date
Application number
DK90916604.3T
Other languages
English (en)
Inventor
Robert P Eury
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
Application filed by Advanced Polymer Systems Inc filed Critical Advanced Polymer Systems Inc
Application granted granted Critical
Publication of DK0494996T3 publication Critical patent/DK0494996T3/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
    • 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
    • A61K9/14—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
DK90916604.3T 1989-10-03 1990-09-28 Eroderbare makroporøse hydrogelpartikler og fremstilling heraf DK0494996T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41656789A 1989-10-03 1989-10-03

Publications (1)

Publication Number Publication Date
DK0494996T3 true DK0494996T3 (da) 1996-03-18

Family

ID=23650468

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90916604.3T DK0494996T3 (da) 1989-10-03 1990-09-28 Eroderbare makroporøse hydrogelpartikler og fremstilling heraf

Country Status (11)

Country Link
EP (1) EP0494996B1 (da)
JP (1) JP2980978B2 (da)
KR (1) KR920703016A (da)
AT (1) ATE131726T1 (da)
AU (1) AU646414B2 (da)
CA (1) CA2066594A1 (da)
DE (1) DE69024363T2 (da)
DK (1) DK0494996T3 (da)
ES (1) ES2083467T3 (da)
HK (1) HK1007109A1 (da)
WO (1) WO1991004732A1 (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0842132B1 (en) * 1995-07-28 2000-09-20 E.I. Du Pont De Nemours And Company Water-buoyant particulate materials containing micronutrients for phytoplankton
US5851538A (en) * 1995-12-29 1998-12-22 Advanced Polymer Systems, Inc. Retinoid formulations in porous microspheres for reduced irritation and enhanced stability
USRE37053E1 (en) 1996-05-24 2001-02-13 Massachusetts Institute Of Technology Particles incorporating surfactants for pulmonary drug delivery
US6652837B1 (en) 1996-05-24 2003-11-25 Massachusetts Institute Of Technology Preparation of novel particles for inhalation
US5855913A (en) * 1997-01-16 1999-01-05 Massachusetts Instite Of Technology Particles incorporating surfactants for pulmonary drug delivery
US6254854B1 (en) 1996-05-24 2001-07-03 The Penn Research Foundation Porous particles for deep lung delivery
US5985309A (en) * 1996-05-24 1999-11-16 Massachusetts Institute Of Technology Preparation of particles for inhalation
US5874064A (en) * 1996-05-24 1999-02-23 Massachusetts Institute Of Technology Aerodynamically light particles for pulmonary drug delivery
DE19622355A1 (de) 1996-06-04 1997-12-11 Bayer Ag Formkörper die agrochemische Mittel freisetzen
GB9621825D0 (en) * 1996-10-19 1996-12-11 Andaris Ltd Microparticles and their use as therapeutic vehicles
US20030008926A1 (en) * 1997-04-30 2003-01-09 Mcpartland Tor Ant spray containing D-limonene and methods of making and using same
US20020004502A1 (en) 2000-01-05 2002-01-10 Redmond H. Paul Treatment of inflammatory bowel disease
US6878384B2 (en) * 2001-03-13 2005-04-12 Microvention, Inc. Hydrogels that undergo volumetric expansion in response to changes in their environment and their methods of manufacture and use
CA2655026C (en) 2006-06-15 2016-08-02 Microvention, Inc. Embolization device constructed from expansible polymer
EP2266639B1 (en) 2007-12-21 2016-10-05 MicroVention, Inc. Methods for preparing hydrogel filaments for biomedical use
US8668863B2 (en) * 2008-02-26 2014-03-11 Board Of Regents, The University Of Texas System Dendritic macroporous hydrogels prepared by crystal templating
US10639396B2 (en) 2015-06-11 2020-05-05 Microvention, Inc. Polymers
US9993252B2 (en) 2009-10-26 2018-06-12 Microvention, Inc. Embolization device constructed from expansile polymer
WO2012145431A2 (en) 2011-04-18 2012-10-26 Microvention, Inc. Embolic devices
JP6599361B2 (ja) 2014-04-29 2019-10-30 マイクロベンション インコーポレイテッド 活性剤を含むポリマー
CN114384227A (zh) * 2021-06-16 2022-04-22 西安石油大学 一种致密砂岩的准连续溶蚀-胶结作用致密机理测定方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818542A (en) * 1983-11-14 1989-04-04 The University Of Kentucky Research Foundation Porous microspheres for drug delivery and methods for making same
US4690825A (en) * 1985-10-04 1987-09-01 Advanced Polymer Systems, Inc. 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
WO1988001164A1 (en) * 1986-08-15 1988-02-25 Advanced Polymer Systems, Inc. Polymeric carrier compositions and methods for their preparation and use
ZA886284B (en) * 1987-08-31 1990-04-25 Advanced Polymer Systems Inc Controlled release formulations
US4806360A (en) * 1987-10-23 1989-02-21 Advanced Polymer Systems Synthetic melanin aggregates

Also Published As

Publication number Publication date
WO1991004732A1 (en) 1991-04-18
ES2083467T3 (es) 1996-04-16
AU646414B2 (en) 1994-02-24
EP0494996A4 (en) 1992-09-30
ATE131726T1 (de) 1996-01-15
DE69024363T2 (de) 1996-07-04
EP0494996A1 (en) 1992-07-22
CA2066594A1 (en) 1991-04-04
JP2980978B2 (ja) 1999-11-22
DE69024363D1 (de) 1996-02-01
HK1007109A1 (en) 1999-04-01
EP0494996B1 (en) 1995-12-20
AU6715690A (en) 1991-04-28
JPH05500959A (ja) 1993-02-25
KR920703016A (ko) 1992-12-17

Similar Documents

Publication Publication Date Title
DK0494996T3 (da) Eroderbare makroporøse hydrogelpartikler og fremstilling heraf
DK164256C (da) Praeparat med kontrolleret afgivelse og fremgangsmaade til fremstilling heraf
BR9707336A (pt) Dosagem contínua de um agente ativo medainte uso de sistema implantável
FI965203A (fi) Morfiinia, polypyrrolidonia ja polyalkyleenioksidia sisältävä koostumus
BR8606003A (pt) Composicoes de liberacao prolongada compreendendo eteres de hidroxipropil celulose
DE3163877D1 (en) Membrane modified hydrogels, process for their manufacture and their use as active agent dispenser
MX27046A (es) 5-arilalquil-4-alcoxy-2(5h)-furanonas, productos intermedios y procedimiento para su preparacion asi como su aplicacion como sustancia activa terapeutica.
DE3774266D1 (de) Poroese polymerperlen zur wirkstoffabgabe.
DK344586A (da) Tidskontrolleret laegemiddelafgivelse
PL247289A1 (en) Method of making a divisible tablet of controllable and delayed release of active substance
AR008991A1 (es) Compuestos de dimetil-(3-aril-but-3-enil)-amina, procedimientos para su preparacion y aplicacion de los mismos
IT1230047B (it) Protesi vascolare contenente nella parete microcapsule inglobanti cellule produttrici di ormoni.
GB2207052B (en) Controlled-release device
RU93032613A (ru) Фармацевтический препарат для лечения пациентов с пролонгированным временем коагуляции, способ лечения пациентов, применение epi ингибитора для получения фармацевтического препарата
GR3019514T3 (en) Pharmaceutical preparation for the treatment of prolonged coagulation time
EP0145210A3 (en) Support particles coated with precursors biologically active glass
IT8121849A0 (it) Procedimento per la preparazione di un agente anti-microbico, composizioni che lo contengono eloro uso nel trattamento di infezioni.
WO1996015660A3 (de) Implantierbare vorrichtung zur verabreichung von wirkstoffen an pflanzen
ATE68686T1 (de) System zum freigeben von stoffen in der vagina.
HUT75029A (en) Systems for controlled release of pilocarpine, and semipermeable capsule containing the active ingredient
ES8605982A1 (es) Procedimiento para producir preparados de agentes antihelminticos dificilmente solubles en agua
ES2190581T3 (es) 2-aminotetralina opticamente activa, procedimiento para su preparacion y composiciones farmaceuticas que la contienen, activa en la prevencion y tratamiento de shock septico.
HUP0103623A2 (hu) Antitrombotikus hatású biszpiperidin vegyületek, előállítási eljárásuk és hatóanyagként ilyen vegyületeket tartalmazó gyógyszerkészítmények
FR2527630B1 (fr) Enzyme leucocytaire humaine de type pepsique, procede pour sa preparation et agent therapeutique la contenant
HUT59011A (en) Process for producing composition, and its active ingredient, suitable for inactivating or removing harmful compounds in blood and other extracellular liquids