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  • [发明专利]GB19450022636 _ REGINALD GEORGE FRANKLIN CHARLES RUGELEY BURY IMPERIAL CHEMICAL INDUSTRIES LIMITED 1945年09月03日
    Slow-acting phosphatic fertilizers are made by treating phosphatic material (such as phosphate rock or bones) with sulphuric acid in a proportion of above 1.6 to 3 moles. acid per mole. of P2O5 in the material, with additional acid to react with all i...
  • [发明专利]GB19450021722 _ JOHN WHETSTONE JAMES TAYLOR IMPERIAL CHEMICAL INDUSTRIES LIMITED 1945年08月24日
    A concentrated liquid fertilizer comprises 1.0 to 1.7 parts by weight of calcium nitrate calculated as the anhydrous salt, 1 part by weight of ammonium nitrate, and water in a quantity just sufficient to keep the salts in solution at 0 DEG C. Accord...
  • [发明专利]GB19450018948 _ SOCIETE ANONYME DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE SAINT-GOBAIN, CHAUNY & CIREY 1945年07月24日
    A process for the production of nitrophosphate fertilizers consists in first effecting a partial, say 20-40 per cent, solubilization of calcium phosphate by means of nitrogen oxides, and in then completing the solubilization by nitric acid. Water vap...
  • [发明专利]GB19450023022 _ SOCIETE ANONYME DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE SAINT-GOBAIN, CHHAUNY & CIREY 1945年09月06日
    <PICT:0623989/III/1> In producing solubilised phosphatic fertilisers, a mixture of sulphuric and nitric acids is fed into one end of and progressively traversed through the lower portion of a mixing chamber and the finely divided calcium phosphate is ...
  • [发明专利]GB19450029055 _ SOCIETE ANONYME DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE SAINT-GOBAIN, CHAUNY & CIREY 1945年11月01日
    Solubilised calcium phosphate obtained by the action of a mixture of sulphuric and nitric acids or natural phosphates is granulated by agitation and heating to 55 DEG -60 DEG C., which is the temperature at which it leaves the acid-treatment stage of...
  • [发明专利]GB19450001308 _ ROSALEEN SHAW 1945年01月16日
    A fertilizer or growth promoter for vegetable life is prepared by making an intimate mixture of commercial extract of chlorophyll and yeast or other organism containing zymase, and potassium nitrate, the latter preferably being added to a dough-like m...
  • [发明专利]GB19450017730 _ SOCIETE ANONYME DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE SAINT-GOBAIN, CHAUNY & CIREY 1945年07月11日
    Tricalcium phosphate is treated with a mixture of sulphuric and nitric acids in which the weight ratio HNO3/H2SO4 is at least unity and the water present is of the order of 35 per cent by weight, and in such quantity that the conversion to mono- and d...
  • [发明专利]GB19450024093 _ ALFRED EUGENE DELROISSE 1945年09月18日
    Organic fertilisers having a sewage base are produced by treating sewage with a fermentation catalyst comprising one or more of the following elements or compounds thereof: germanium, vanadium, molybdenum or cadmium. Manganese compounds may also be p...
  • [发明专利]GB19450023998 _ GUNNAR ALBAN BERNDTSSON SVENSKA CELLULOSA AKTIEBOLAGET 1945年09月17日
    A growth-promoting preparation for plants, bushes, trees, or the like, comprises a salt of a cellulose ether carboxylic acid, e.g. the sodium or ammonium salt of cellulose glycollic acid, and a fertilizer containing nitrogen and phosphorus and prefera...
  • [发明专利]GB19450032359 _ HEENAN & FROUDE LIMITED ARTHUR EDWARD WILLIAM JAMES 1945年11月30日
    In the production of a manure consisting of towns' refuse and sewage or sewage sludge, the latter is introduced by pipes or the like on to the top of the refuse which has been fed into a long and relatively narrow chamber and the contents of the chamb...
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