首页 > 资源导航 > 专利 > 化学 > 水泥\混凝土\人造石\陶瓷\耐火材料
专利分类
国家/组织
申请日期
全部
订阅
收起
专利
  • [发明专利]GB19250009984 _ EDWARD LLOYD PEASE 1925年04月16日
    253,291. Pease, E. L. April 16, 1925. Manures. - A porous material such as peat powder, coke dust, sewage powder or powdered corn cobs is incorporated with a mineral or organic calcium phosphate and the mixture treated with phosphoric acid. The phosph...
  • [发明专利]GB19250007629 _ RHENANIA VEREIN CHEMISCHER FABRIKEN ACTIEN-GESELLSCHAFT HANS BRENEK 1925年03月20日
    Alkali di-calcium phosphate that can be used as manure, is obtained by heating a mineral phosphate with silicic acid and alkali salts, using such proportions that a third of the lime in the tri-calcium phosphate is removed as calcium ortho-silicate an...
  • [发明专利]GB19250001596 _ AUGUSTUS CHARLES HYDE 1925年01月19日
    Calcium superphosphate is made by mixing finely ground calcium phosphate in the form of a dust cloud with a fine spray of sulphuric acid which may be of 1.84 specific gravity or somewhat weaker. The product is usually sufficiently dry to be packed in...
  • [发明专利]GB19250007065 _ EDWARD LLOYD PEASE 1925年03月16日
    253,580. Pease, E. L. March 16, 1925. Manures.-A manure is prepared by treating a mixture of mineral or organic calcium phosphate and a porous material such as peat powder, coke dust, sewage sludge powder, or corn cobs with sulphuric acid or sulphur g...
  • [发明专利]GB19250028415 _ FARBWERKE 1925年11月11日
    Calcium nitrate which does not readily become moist is obtained by adding a small proportion such as 0.1 per cent of calcium nitrate crystals to a quantity of practically anhydrous calcium nitrate at a temperature below the melting point of the crysta...
  • [发明专利]GB19250023647 _ BAPTISTIN BODRERO 1925年09月22日
    262,878. Bodrero, B. Sept. 22, 1925. Manures. - Natural calcium phosphates are washed to remove carbonate and then mixed with sulphur, and the mixture is maintained at 40- 50? C. in drying-apparatus such as silos or ovens, in which it is treated with ...
  • [发明专利]GB19250006976 _ THE BADISCHE ANILIN & SODA FABRIK 1925年03月14日
    236,494. Johnson, J. Y., (Badische Anilin & Soda Fabrik). March 14, 1925. Manures.-A water-soluble fertilizer is formed by mixing urea, ammonium phosphate, and potassium nitrate and/or sulphate. In an example given, 215 pounds of potassium nitrate and...
  • [发明专利]GB19250014175 _ THE BADISCHE ANILIN & SODA FABRIK 1925年05月29日
    249,370. Johnson, J. Y., (Badische Anilin & Soda Fabrik). May 29, 1925. Manures.-A small quantity of an ammonium salt such as ammonium nitrate or sulphate, or of urea, is added to a strong solution of calcium nitrate which is then evaporated, and cool...
  • [发明专利]GB19250001924 _ ALBERT GEORGE BRYON 1925年01月22日
    235,802. Bryon, A. G. Jan. 22, 1925. Insecticides.-A composition in the form of a powder for use as a fertilizer and destructor of wire worm consists of lime, common salt, and sout. Dry poultry manure may be added. According to the Provisional Specifi...
  • [发明专利]GB19250014986 _ LUIS ADELANTADO 1925年06月09日
    262,833. Adelantado, L. June 9, 1925. Manures. - A phosphate manure containing water-soluble and citrate-soluble phosphate is made by treating natural phosphates containing substantial amounts of iron or aluminium, or mixtures of such phosphates with ...
回到顶部
选择了条数据