GB9017214D0 - Micro-encapsulation method - Google Patents

Micro-encapsulation method

Info

Publication number
GB9017214D0
GB9017214D0 GB909017214A GB9017214A GB9017214D0 GB 9017214 D0 GB9017214 D0 GB 9017214D0 GB 909017214 A GB909017214 A GB 909017214A GB 9017214 A GB9017214 A GB 9017214A GB 9017214 D0 GB9017214 D0 GB 9017214D0
Authority
GB
United Kingdom
Prior art keywords
micro
encapsulation method
encapsulation
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.)
Granted
Application number
GB909017214A
Other versions
GB2234901B (en
GB2234901A (en
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.)
British Textile Tech
Original Assignee
British Textile Tech
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 British Textile Tech filed Critical British Textile Tech
Publication of GB9017214D0 publication Critical patent/GB9017214D0/en
Publication of GB2234901A publication Critical patent/GB2234901A/en
Application granted granted Critical
Publication of GB2234901B publication Critical patent/GB2234901B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
    • 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
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • 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
    • B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
    • 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
    • B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
    • B01J13/125—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution by evaporation of the solvent

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
GB9017214A 1989-08-15 1990-08-06 Micro-encapsulation method Expired - Fee Related GB2234901B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898918601A GB8918601D0 (en) 1989-08-15 1989-08-15 Micro-encapsulation method

Publications (3)

Publication Number Publication Date
GB9017214D0 true GB9017214D0 (en) 1990-09-19
GB2234901A GB2234901A (en) 1991-02-20
GB2234901B GB2234901B (en) 1992-10-14

Family

ID=10661656

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898918601A Pending GB8918601D0 (en) 1989-08-15 1989-08-15 Micro-encapsulation method
GB9017214A Expired - Fee Related GB2234901B (en) 1989-08-15 1990-08-06 Micro-encapsulation method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898918601A Pending GB8918601D0 (en) 1989-08-15 1989-08-15 Micro-encapsulation method

Country Status (1)

Country Link
GB (2) GB8918601D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9306700D0 (en) * 1993-03-31 1993-05-26 British Textile Tech Method for encapsulating substances
TWI434917B (en) * 2007-04-04 2014-04-21 Trulstech Group Pty Ltd Improved environmentally safe fire retardant protein free compositions, and methods of manufacturing thereof
CN102321488B (en) * 2011-07-18 2014-07-16 中国科学技术大学 Cellulose derivative microencapsulated halogen-free flame retardant and preparation method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277364A (en) * 1975-12-22 1981-07-07 The United States Of America As Represented By The Secretary Of Agriculture Encapsulation by entrapment
US4439488A (en) * 1982-02-26 1984-03-27 The United States Of America As Represented By The Secretary Of Agriculture Encapsulation by entrapment within polyhydroxy polymer borates
US4657582A (en) * 1985-05-30 1987-04-14 Pennwalt Corporation Polyhydroxy polymer delivery systems

Also Published As

Publication number Publication date
GB2234901B (en) 1992-10-14
GB8918601D0 (en) 1989-09-27
GB2234901A (en) 1991-02-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060806