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FR2360346A1 - Gel actif et son procede de production - Google Patents

Gel actif et son procede de production

Info

Publication number
FR2360346A1
FR2360346A1 FR7724315A FR7724315A FR2360346A1 FR 2360346 A1 FR2360346 A1 FR 2360346A1 FR 7724315 A FR7724315 A FR 7724315A FR 7724315 A FR7724315 A FR 7724315A FR 2360346 A1 FR2360346 A1 FR 2360346A1
Authority
FR
France
Prior art keywords
gel
biologically active
precursor
production process
active component
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
FR7724315A
Other languages
English (en)
Other versions
FR2360346B1 (fr
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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
Priority claimed from GB3297076A external-priority patent/GB1590573A/en
Application filed by UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of FR2360346A1 publication Critical patent/FR2360346A1/fr
Application granted granted Critical
Publication of FR2360346B1 publication Critical patent/FR2360346B1/fr
Granted 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
    • B01J13/0052—Preparation of gels
    • B01J13/0065—Preparation of gels containing an organic 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
    • A01N25/02—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 liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • 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
    • 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
    • A61K9/1611—Inorganic 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
    • A61K9/1617—Organic compounds, e.g. phospholipids, fats
    • A61K9/1623—Sugars or sugar alcohols, e.g. lactose; Derivatives thereof; Homeopathic globules
    • 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
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
    • B01J2/08—Gelation of a colloidal solution

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Environmental Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Toxicology (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)

Abstract

L'invention décrit un procédé de production d'un gel actif et le produit obtenu. On met en contact : a. Un agent organique de gélification; b. Un composé ou sol minéral; c. Un constituant actif ou son précurseur; et d. Un agent de précipitation afin d'obtenir un gel actif dans lequel le constituant actif est uniformément distribué. Le constituant actif peut être un produit à activité pharmaceutique, un pesticide, un herbicide, une toxine inhibant la croissance des herbes marines ou un algicide.
FR7724315A 1976-08-06 1977-08-05 Gel actif et son procede de production Granted FR2360346A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3297076A GB1590573A (en) 1976-08-06 1976-08-06 Biologically active gels
GB4694676 1976-11-11

Publications (2)

Publication Number Publication Date
FR2360346A1 true FR2360346A1 (fr) 1978-03-03
FR2360346B1 FR2360346B1 (fr) 1983-10-14

Family

ID=26261652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724315A Granted FR2360346A1 (fr) 1976-08-06 1977-08-05 Gel actif et son procede de production

Country Status (5)

Country Link
JP (1) JPS5320412A (fr)
CH (1) CH640429A5 (fr)
DE (1) DE2735393A1 (fr)
FR (1) FR2360346A1 (fr)
IE (1) IE45649B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110157A1 (fr) * 1982-10-28 1984-06-13 Pennwalt Corporation Composition pesticide granulaire
EP0294206A2 (fr) * 1987-06-05 1988-12-07 Unilever Plc Silice sphéroidale

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA773557B (en) * 1977-06-14 1979-01-31 Inter Ocean Investments Ltd Water treatment
DE3600084A1 (de) * 1986-01-03 1987-07-09 Scherer Gmbh R P Formkoerper sowie verfahren und vorrichtung zur herstellung eines solchen formkoerpers
DE4416001C2 (de) * 1994-05-06 1997-12-11 Feinchemie Gmbh Sebnitz Komposite zur steuerbaren Wirkstoff-Freisetzung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1435969A (fr) * 1965-03-09 1966-04-22 Mise sous la forme gélifiée d'un produit antiparasitaire
FR1578319A (fr) * 1967-08-04 1969-08-14
FR2107711A1 (en) * 1970-09-16 1972-05-05 Kuraray Co Gelatinous vinyl alcohol polymers - useful as carriers for fishing baits, deodorants and fertilisers
FR2192769A1 (en) * 1972-07-19 1974-02-15 Applic Produits Anti Par Insecticidal gels of montmorillonite derivs - for protection of wood and trees from termites
DE2411727A1 (de) * 1973-03-14 1974-09-26 Wilkinson Sword Ltd Verfahren und vorrichtung zur aufbringung eines gels

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1435969A (fr) * 1965-03-09 1966-04-22 Mise sous la forme gélifiée d'un produit antiparasitaire
FR1578319A (fr) * 1967-08-04 1969-08-14
GB1231385A (fr) * 1967-08-04 1971-05-12
FR2107711A1 (en) * 1970-09-16 1972-05-05 Kuraray Co Gelatinous vinyl alcohol polymers - useful as carriers for fishing baits, deodorants and fertilisers
FR2192769A1 (en) * 1972-07-19 1974-02-15 Applic Produits Anti Par Insecticidal gels of montmorillonite derivs - for protection of wood and trees from termites
DE2411727A1 (de) * 1973-03-14 1974-09-26 Wilkinson Sword Ltd Verfahren und vorrichtung zur aufbringung eines gels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110157A1 (fr) * 1982-10-28 1984-06-13 Pennwalt Corporation Composition pesticide granulaire
EP0294206A2 (fr) * 1987-06-05 1988-12-07 Unilever Plc Silice sphéroidale
EP0294206A3 (fr) * 1987-06-05 1991-01-30 Unilever Plc Silice sphéroidale

Also Published As

Publication number Publication date
IE45649L (en) 1978-02-06
DE2735393A1 (de) 1978-02-09
FR2360346B1 (fr) 1983-10-14
JPS5320412A (en) 1978-02-24
IE45649B1 (en) 1982-10-20
CH640429A5 (en) 1984-01-13

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