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Walter Arthur Ker
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13,005. Ker, W. A. June 5. Nitrocellulose films.-Very thin sheets or films of imitation metallic leaf are made by dissolving soluble cotton in a volatile solvent, such as amyl oil, adding a colouring-matter or metallic powder, and then pouring the solution upon a liquid heavier than the oil, e.g. water, and allowing the solvent to evaporate.
GB190613005D1906-06-051906-06-05Thin Leaf or Fabric and the Method of Making the same
ExpiredGB190613005A
(en)
Process for the preparation of an effective water-soluble glucoside contained in the bark of Cascara sagrada (Rhamnus Purshiana), with simultaneous recovery of the emodins present.