AU758139C - Microparticles produced from cyclic olefin copolymers and their use for the controlled release of active agents - Google Patents

Microparticles produced from cyclic olefin copolymers and their use for the controlled release of active agents

Info

Publication number
AU758139C
AU758139C AU49065/99A AU4906599A AU758139C AU 758139 C AU758139 C AU 758139C AU 49065/99 A AU49065/99 A AU 49065/99A AU 4906599 A AU4906599 A AU 4906599A AU 758139 C AU758139 C AU 758139C
Authority
AU
Australia
Prior art keywords
active agents
controlled release
cyclic olefin
olefin copolymers
microparticles produced
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.)
Ceased
Application number
AU49065/99A
Other versions
AU758139B2 (en
AU4906599A (en
Inventor
Klaus Berger
Bernd Hahn
Frank Osan
Diether Rueppel
Arnold Schneller
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.)
Bayer CropScience AG
Original Assignee
Aventis CropScience GmbH
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 Aventis CropScience GmbH filed Critical Aventis CropScience GmbH
Publication of AU4906599A publication Critical patent/AU4906599A/en
Assigned to AVENTIS CROPSCIENCE GMBH reassignment AVENTIS CROPSCIENCE GMBH Alteration of Name(s) of Applicant(s) under S113 Assignors: AVENTIS RESEARCH & TECHNOLOGIES GMBH & CO. KG
Publication of AU758139B2 publication Critical patent/AU758139B2/en
Application granted granted Critical
Publication of AU758139C publication Critical patent/AU758139C/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/18—In situ polymerisation with all reactants being present in the same phase
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/12—Powders or granules
    • 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
    • A61K9/5084—Mixtures of one or more drugs in different galenical forms, at least one of which being granules, microcapsules or (coated) microparticles according to A61K9/16 or A61K9/50, e.g. for obtaining a specific release pattern or for combining different drugs

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Environmental Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Fertilizers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Medicinal Preparation (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention relates to the preparation of novel microparticles that can be obtained from at least one cyclic olefin copolymer using formulating materials, preferably diatom earth, and to the use of the microparticles for the controlled release of active agents.
AU49065/99A 1998-07-28 1999-07-03 Microparticles produced from cyclic olefin copolymers and their use for the controlled release of active agents Ceased AU758139C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19834025A DE19834025A1 (en) 1998-07-28 1998-07-28 Microcapsules made from cycloolefin polymers or cycloolefin copolymers and their use for the controlled release of active ingredients
DE19834025 1998-07-28
PCT/EP1999/004642 WO2000006296A2 (en) 1998-07-28 1999-07-03 Microparticles produced from cyclic olefin copolymers and their use for the controlled release of active agents

Publications (3)

Publication Number Publication Date
AU4906599A AU4906599A (en) 2000-02-21
AU758139B2 AU758139B2 (en) 2003-03-13
AU758139C true AU758139C (en) 2003-12-11

Family

ID=7875626

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49065/99A Ceased AU758139C (en) 1998-07-28 1999-07-03 Microparticles produced from cyclic olefin copolymers and their use for the controlled release of active agents

Country Status (12)

Country Link
EP (1) EP1115480B1 (en)
JP (1) JP2002521464A (en)
KR (1) KR100629102B1 (en)
CN (1) CN1151866C (en)
AT (1) ATE278461T1 (en)
AU (1) AU758139C (en)
BR (1) BR9912566A (en)
CA (1) CA2338828A1 (en)
DE (2) DE19834025A1 (en)
ID (1) ID26931A (en)
TW (1) TW461912B (en)
WO (1) WO2000006296A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10226222A1 (en) * 2002-06-13 2004-01-08 Bayer Cropscience Ag Powder formulations
DE10231706B4 (en) * 2002-07-13 2006-10-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Microcomposites and process for their preparation and their use
JP4820523B2 (en) * 2002-09-11 2011-11-24 日本曹達株式会社 Microbial growth inhibitor-containing resin fine particles and aqueous emulsion paint containing the fine particles
DE102004026745B4 (en) 2004-05-28 2013-06-20 Justus-Liebig-Universität Giessen Method and device for applying nanoscale polymer fibers as a carrier for agricultural active ingredients
JP2010095706A (en) * 2008-09-22 2010-04-30 Jsr Corp Resin particle
WO2010032570A1 (en) * 2008-09-22 2010-03-25 Jsr株式会社 Resin particle
KR101485578B1 (en) * 2013-05-24 2015-01-21 주식회사 리더스케미컬 Method for preparing matrix-typed granular slow-release compound fertilizer and matrix-typed granular slow-release compound fertilizer obtained by the method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997048740A1 (en) * 1996-06-20 1997-12-24 Minnesota Mining And Manufacturing Company Polyolefin microspheres

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002458A (en) * 1971-11-08 1977-01-11 Minnesota Mining And Manufacturing Company Controlled release capsules
DE2731445C3 (en) * 1976-07-28 1980-09-11 Veb Leuna-Werke Walter Ulbricht, Ddr 4220 Leuna Mixtures containing norbonene-ethylene copolymers
JPS54132235A (en) * 1978-04-03 1979-10-15 Idemitsu Kosan Co Ltd Sublimable insecticide
DE3347277A1 (en) * 1983-12-28 1985-07-11 Bayer Ag, 5090 Leverkusen ACTIVE SUBSTANCE DELIVERY SYSTEMS
JP2890442B2 (en) * 1989-02-27 1999-05-17 日本電気株式会社 Inspection method for misalignment of contact hole of semiconductor device
DE19525958A1 (en) * 1995-07-17 1997-01-23 Quarzwerke Gmbh Polyolefin for non-black laser recording, useful for packaging and car pts.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997048740A1 (en) * 1996-06-20 1997-12-24 Minnesota Mining And Manufacturing Company Polyolefin microspheres

Also Published As

Publication number Publication date
EP1115480B1 (en) 2004-10-06
DE19834025A1 (en) 2000-02-03
ATE278461T1 (en) 2004-10-15
AU758139B2 (en) 2003-03-13
KR100629102B1 (en) 2006-09-28
BR9912566A (en) 2001-05-02
DE59910769D1 (en) 2004-11-11
CN1151866C (en) 2004-06-02
TW461912B (en) 2001-11-01
WO2000006296A2 (en) 2000-02-10
WO2000006296A3 (en) 2001-04-12
JP2002521464A (en) 2002-07-16
KR20010079568A (en) 2001-08-22
CN1310640A (en) 2001-08-29
ID26931A (en) 2001-02-22
EP1115480A2 (en) 2001-07-18
AU4906599A (en) 2000-02-21
CA2338828A1 (en) 2000-02-10

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Legal Events

Date Code Title Description
PC1 Assignment before grant (sect. 113)

Owner name: AVENTIS CROPSCIENCE GMBH

Free format text: THE FORMER OWNER WAS: AVENTIS RESEARCH AND TECHNOLOGIES GMBH AND CO. KG

DA2 Applications for amendment section 104

Free format text: THE NATURE OF THE PROPOSED AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 20030520

FGA Letters patent sealed or granted (standard patent)
DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS AS WAS NOTIFIED IN THE OFFICIAL JOURNAL DATED 20030619