Patents by Inventor Franco Barsini

Franco Barsini has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Novel derivatives of 6,11-dihydro-dibenzo(C,F)(1,2,5)-thiadiazepine 5,5-dioxide, salts thereof and appropriate processes for the preparation thereof
    Patent number: 5011833
    Abstract: Novel derivatives of 11-carbonyl-6,11-dihydrodibenzo[c,f][1,2,5]thiadiazepine 5,5-dioxide of the general formula ##STR1## wherein R and R.sub.1, which can be different, represent a hydrogen atom or a (C.sub.1 -C.sub.5) alkyl or (C.sub.1 -C.sub.4)hydroxyalkyl group, or R and R.sub.1 together can form a 5-membered and/or 6-membered heterocyclic ring which may contain a further heteroatom,R.sub.2 and R.sub.3, which can be different, represent a hydrogen atom, a (C.sub.1 -C.sub.3)alkoxy, (C.sub.1 -C.sub.3)alkyl, nitro, amino or (C.sub.1 -C.sub.3)alkylamino, halogen, halogeno-alkyl or hydroxyl group,R.sub.4 represents a hydrogen atom or a (C.sub.1 -C.sub.4) alkyl, alkylaryl or (C.sub.1 -C.sub.6)alkylamino group, andn assumes values of 0, 1 or 2, andnon-toxic, pharmaceutically acceptable salts thereof, obtained by addition of acids or alkyl halides.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: April 30, 1991
    Assignee: A. Menarini Industrie Farmaceutiche Riunite
    Inventors: Franco Barsini, Alberto Meli, Giovanna Volterra, Danilo Giannotti, Vittorio Pestellini