BR7903976A - Processo para a preparacao de microparticulas de organopolis-siloxano solido - Google Patents

Processo para a preparacao de microparticulas de organopolis-siloxano solido

Info

Publication number
BR7903976A
BR7903976A BR7903976A BR7903976A BR7903976A BR 7903976 A BR7903976 A BR 7903976A BR 7903976 A BR7903976 A BR 7903976A BR 7903976 A BR7903976 A BR 7903976A BR 7903976 A BR7903976 A BR 7903976A
Authority
BR
Brazil
Prior art keywords
organopolis
siloxan
microparticles
preparation
solid
Prior art date
Application number
BR7903976A
Other languages
English (en)
Inventor
M Ziemelis
Original Assignee
Dow Corning
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 Dow Corning filed Critical Dow Corning
Publication of BR7903976A publication Critical patent/BR7903976A/pt

Links

Classifications

    • 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
    • A01N25/26—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 in coated particulate form
    • A01N25/28—Microcapsules or nanocapsules
    • 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
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Dentistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Toxicology (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Dispersion Chemistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Polymerisation Methods In General (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Colloid Chemistry (AREA)
BR7903976A 1978-06-27 1979-06-25 Processo para a preparacao de microparticulas de organopolis-siloxano solido BR7903976A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/919,588 US4370160A (en) 1978-06-27 1978-06-27 Process for preparing silicone microparticles

Publications (1)

Publication Number Publication Date
BR7903976A true BR7903976A (pt) 1980-03-25

Family

ID=25442335

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7903976A BR7903976A (pt) 1978-06-27 1979-06-25 Processo para a preparacao de microparticulas de organopolis-siloxano solido

Country Status (9)

Country Link
US (1) US4370160A (pt)
JP (2) JPS6025185B2 (pt)
AU (1) AU524895B2 (pt)
BR (1) BR7903976A (pt)
CA (1) CA1129373A (pt)
DE (2) DE2925305A1 (pt)
FR (1) FR2429616A1 (pt)
GB (1) GB2026513B (pt)
IT (1) IT1121600B (pt)

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Also Published As

Publication number Publication date
JPS6365692B2 (pt) 1988-12-16
JPS6025185B2 (ja) 1985-06-17
AU4790879A (en) 1980-01-03
CA1129373A (en) 1982-08-10
IT7923825A0 (it) 1979-06-25
JPS555787A (en) 1980-01-16
DE2954367C2 (pt) 1989-06-29
DE2925305A1 (de) 1980-01-03
JPS60106837A (ja) 1985-06-12
FR2429616B1 (pt) 1981-09-04
DE2925305C2 (pt) 1987-08-20
AU524895B2 (en) 1982-10-07
GB2026513B (en) 1982-12-08
IT1121600B (it) 1986-04-02
GB2026513A (en) 1980-02-06
US4370160A (en) 1983-01-25
FR2429616A1 (fr) 1980-01-25

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