GB720318A - Improvements in or relating to the manufacture of starch base dusting powders - Google Patents

Improvements in or relating to the manufacture of starch base dusting powders

Info

Publication number
GB720318A
GB720318A GB11629/52A GB1162952A GB720318A GB 720318 A GB720318 A GB 720318A GB 11629/52 A GB11629/52 A GB 11629/52A GB 1162952 A GB1162952 A GB 1162952A GB 720318 A GB720318 A GB 720318A
Authority
GB
United Kingdom
Prior art keywords
starch
water
sulphate
sodium
tri
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.)
Expired
Application number
GB11629/52A
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.)
GEORGE ANTHONY KRISAN
Original Assignee
GEORGE ANTHONY KRISAN
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 GEORGE ANTHONY KRISAN filed Critical GEORGE ANTHONY KRISAN
Priority to GB11629/52A priority Critical patent/GB720318A/en
Publication of GB720318A publication Critical patent/GB720318A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/02—Dusting, e.g. with an anti-offset powder for obtaining raised printing such as by thermogravure ; Varnishing
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Toxicology (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicinal Preparation (AREA)

Abstract

In making a mobile starch-base dusting powder, starch granules in water, e.g. at least 25 per cent. of water computed on the weight of starch, are intimately mixed and coated with a finely divided, freshly precipitated, water-insoluble inorganic salt or hydroxide whose particles are smaller than the starch granules and the coated starch is then dried and, if necessary, ground to a fine powder. The starch may be dispersed in water with two water-soluble inorganic compounds which react to form a finely divided precipitate. For example, aqueous solutions of the following compounds may be added to starch dispersions; aluminium sulphate and tri-sodium phosphate, aluminium sulphate and soda ash, Epsom salts and tri-sodium phosphate, cupric sulphate and sodium hydroxide, calcium chloride and soda ash, calcium chloride and magnesium sulphate, tri-sodium phosphate and calcium chloride, sodium silicate and hydrochloric acid, zinc sulphate and sodium hydroxide, barium chloride and sodium sulphate. Starch may be coated with freshly precipitated magnesium hydroxide. Alternatively, aqueous solutions of aluminium sulphate and tri-sodium phosphate may be mixed and the resulting suspension of aluminium phosphate may then be mixed with an aqueous dispersion of starch. Preferably, at least one part by weight of the water-insoluble salt or hydroxide is used to coat each 6800 parts of starch.ALSO:In making mobile starch-base dusting powders, which may be used as carriers for fungicides, insecticides and medicaments, starch granules in water, e.g. at least 25 per cent. of water computed on the weight of starch, are intimately mixed and coated with a finely divided, freshly precipitated water-insoluble inorganic salt or hydroxide whose particles are smaller than the starch granules and the coated starch is then dried and, if necessary, ground to a fine powder. The starch may be dispersed in water with two water-soluble inorganic compounds which react to form a finely divided precipitate. For example, aqueous solutions of the following compounds may be added to starch dispersions; aluminium sulphate and tri-sodium phosphate, aluminium sulphate and soda ash, Epsom salts and tri-sodium phosphate, cupric sulphate and sodium hydroxide which precipitate a fungicide, calcium chloride and soda ash, calcium chloride and magnesium sulphate, tri-sodium phosphate and calcium chloride, sodium silicate and hydrochloric acid, zinc sulphate and sodium hydroxide, barium chloride and sodium sulphate. Starch may be coated with freshly precipitated magnesium hydroxide. Alternatively, aqueous solutions of aluminium sulphate and tri-sodium phosphate may be mixed and the resulting suspension of aluminium phosphate may then be mixed with an aqueous dispersion of starch. Preferably, at least one part by weight of the water-insoluble salt or hydroxide is used to coat each 6,800 parts of starch.
GB11629/52A 1952-05-08 1952-05-08 Improvements in or relating to the manufacture of starch base dusting powders Expired GB720318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB11629/52A GB720318A (en) 1952-05-08 1952-05-08 Improvements in or relating to the manufacture of starch base dusting powders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11629/52A GB720318A (en) 1952-05-08 1952-05-08 Improvements in or relating to the manufacture of starch base dusting powders

Publications (1)

Publication Number Publication Date
GB720318A true GB720318A (en) 1954-12-15

Family

ID=9989794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11629/52A Expired GB720318A (en) 1952-05-08 1952-05-08 Improvements in or relating to the manufacture of starch base dusting powders

Country Status (1)

Country Link
GB (1) GB720318A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2787799A1 (en) * 1998-12-23 2000-06-30 Rhodia Chimie Sa COMPOSITION COMPRISING AN INORGANIC BARK AND A CORE COMPRISING AT LEAST ONE POLYHYDROXYL COMPOUND
FR2801810A1 (en) * 1999-12-07 2001-06-08 Rhodia Food S A S CAPSULE COMPRISING AT LEAST ONE MINERAL BARRIER CONSISTING OF A SINGLE CHEMICAL COMPOUND AND A CORE COMPRISING AT LEAST ONE POLYHYDROXYL COMPOUND
WO2001093693A1 (en) * 2000-06-05 2001-12-13 Societe Des Produits Nestle S.A. Thickener preparation for food and process for the production thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2787799A1 (en) * 1998-12-23 2000-06-30 Rhodia Chimie Sa COMPOSITION COMPRISING AN INORGANIC BARK AND A CORE COMPRISING AT LEAST ONE POLYHYDROXYL COMPOUND
WO2000038829A1 (en) * 1998-12-23 2000-07-06 Rhodia Chimie Composition comprising an inorganic coating and a core comprising at least a polyhydroxyl compound
US6689467B1 (en) 1998-12-23 2004-02-10 Rhodia Chimie Composition comprising an inorganic coating and a core comprising at least a polyhydroxyl compound
FR2801810A1 (en) * 1999-12-07 2001-06-08 Rhodia Food S A S CAPSULE COMPRISING AT LEAST ONE MINERAL BARRIER CONSISTING OF A SINGLE CHEMICAL COMPOUND AND A CORE COMPRISING AT LEAST ONE POLYHYDROXYL COMPOUND
WO2001041914A1 (en) * 1999-12-07 2001-06-14 Rhodia Chimie Capsule comprising at least a mineral coating consisting of a single chemical compound and a core comprising at least a polyhydroxylated compound
WO2001093693A1 (en) * 2000-06-05 2001-12-13 Societe Des Produits Nestle S.A. Thickener preparation for food and process for the production thereof

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