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  • [发明专利]GBD191213350 _ HAROLD GEORGE CRUIKSHANK FAIRWEATHER 1912年06月06日
    13,350. Fairweather, H. G. C., [Dunham, H. V.]. June 6. Calcium superphosphates. - Enriched superphosphates are obtained by forming a precipitate of dicalcium phosphate in a solution of monocalcium phosphate by heating a solution of a set superphospha...
  • [发明专利]GBD191219572 _ ALFRED JULIUS BOULT 1912年08月27日
    19,572. Boult, A. J., [Willson, T. L.]. Aug. 27. Calcium superphosphate; ammonium-calcium phosphate.-Mono-calcium phosphate which has been prepared by treating natural phosphate with phosphoric acid is treated with perferably dry ammonia, whereby free...
  • [发明专利]GBD191201774 _ OTTO FRANK OSKAR FINCKE 1912年01月22日
    1774. Frank, O., and Fincke, O. Jan. 22. Nitrides and other nitrogen compounds. - Nitrogen is fixed upon a mixture of silicon with one or more alkaline earths, to which one or more metals may be added, the examples given being silicon and lime, barium...
  • [发明专利]GBD191200663 _ NATHANIEL PALMER PRATT 1912年01月09日
    663. Pratt, N. P. Jan. 9. Calcium and other phosphates.-Phosphates such as native phosphates or artificial acid phosphates which contain calcium sulphate are purified by dissolving out the calcium sulphate by water or a saline solution, such as seawat...
  • [发明专利]GBD191208609 _ JOSEPH CISELET PAUL NOBLET 1912年04月11日
    8609. Ciselet, J., and Noblet, P. June 19, 1911, [Convention date]. Calcium phosphate.-A non-hygroscopic manure is obtained by treating natural phosphates with hydrochloric acid, sufficient alkaline sulphate or bi-sulphate being added simultaneously w...
  • [发明专利]GBD191203327 _ ALFRED THOMAS BURBERY 1912年02月09日
    3327. Burbery, A. T. Feb. 9. Calcium superphosphate and oxide.-A product containing calcium oxide is obtained by heating superphosphates to a temperature above the decomposing-point of calcium sulphate, that is, above 850? C.
  • [发明专利]GBD191217487 _ WILLIAM BEECROFT BOTTOMLEY 1912年07月27日
    17,487. Bottomley, W. B. July 27. Manures.-Peat is treated with ammoniaproducing soil micro-organisms in order to convert the humic acid and humous substances in compounds that are soluble in water. Nitrogenfixing organisms may also be present. A suit...
  • [发明专利]GBD191209413 _ FREDERICK WILLIAM MACMAHON 1912年04月20日
    9413. MacMahon, F. W. April 20. Manures.-In order to render nitrogeneous fertilizers, such as nitrate of lime, non- deliquescent, they are mixed in powdered form with horn dust, hoof dust, dried blood, fish meal, meat meal, wool waste, leather dust, h...
  • [发明专利]GBD191226097 _ NORSK HYDRO-ELEKTRISK KVAELSTOFAKTIESELSKAB EMIL COLLETT 1912年11月13日
    26,097. Collett, E., and Norsk Hydro- Elektrisk Kvoelstofaktieselskab. Nov. 18, 1911, [Convention date]. Ammonium nitrate and phosphate are prepared by dissolving in dilute nitric acid, calcium phosphate insoluble in water, adding ammonium sulphate to...
  • [发明专利]GBD191202998 _ ROBERT FARNWORTH THOMAS TROUGHTON JACKSON 1912年02月06日
    2998. Farnworth, R., and Jackson, T. T. Feb. 6. Letting-off warps,- warps, tensioning.-In a smallware or other loom in which the let-off is controlled by the tension of the warp, the warp beam or feed-roller is driven from a ratchetwheel 2 rotated by ...
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