Patents Assigned to Laboratories Boi, S.A.
  • Process for the preparation of 7-(2-diethylaminoethyl)-theophylline acetyl salicylate and use thereof
    Patent number: 4908111
    Abstract: A process for the preparation of 7-(2-diethylaminoethyl)-theophylline acetylsalicylate and use of the product obtained. The process comprises prior filtering of a solution of the reactants through a layer of diatomaceous earth and activated carbon, cooling and treatment with a source of high frequency ultrasounds. The product is used in the manufacture of anti-agglutination and anti-thrombotic agents.The process provides products having a high level of purity.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: March 13, 1990
    Assignee: Laboratories Boi, S.A.
    Inventor: Concepcion Coma Julia