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Otto Gerngross
Hermann Kast
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18,743. Gerngross, O., and Kast, H. Oct. 11, 1912, [Convention date]. Aluminium, bismuth, and iron acetylsalicylates.-The acetylsalicylate of bismuth is prepared by treating an aqueous solution or suspension of acetylsalicylic acid with the oxides, hydroxides, carbonate or basic carbonate of bismuth, and evaporating the solution under reduced pressure. The Specification as open to inspection under Section 91 (3) (a) describes also the preparation in a similar manner of the acetylsalicylates of aluminium and iron. This subject-matter does not appear in the Specification as accepted.
GB191318743D1912-10-111913-08-18Preparing Salts of Acetylsalicylic Acid.
ExpiredGB191318743A
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