Patents Assigned to Yason s.r.l.
  • Indole derivative having prolonged immunostimulating activity and pharmaceutical compositions therefrom
    Patent number: 5604254
    Abstract: The compound N-[N'acetyl(glycinyl)]-5-methoxytryptamine, of formula (I) ##STR1## exhibited markedly prolonged immunostimulating activity. The method of preparation and the method of use are described.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: February 18, 1997
    Assignee: Yason S.r.l.
    Inventor: Giuseppe Quadro, deceased
  • S-(2-thenoyl)-thiolactic acid derivative having pharmacological activity
    Patent number: 5312825
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: May 17, 1994
    Assignee: Yason S.r.l.
    Inventor: Giuseppe Quadro
  • Compounds having calcium blocking activity
    Patent number: 4956389
    Abstract: Compound of general formula I ##STR1## and its addition salts with a pharmaceutically acceptable acid is described. The compound is prepared by reacting bis-(2-(3,4-dimethoxy-phenyl)ethyl)amine with formaldehyde in a reducing medium. The compound is effective in the treatment of cardiovascular diseases and disturbances in cerebral circulation.
    Type: Grant
    Filed: January 14, 1985
    Date of Patent: September 11, 1990
    Assignees: Yason S.R.L., SIR International S.A.
    Inventors: Giuseppe Quadro, Jean Cahn
  • Compound having mucus regulating and elastase-inhibitory activities, for the therapy of pulmonal emphysema and pulmonal fibrosis
    Patent number: 4874776
    Abstract: N-carbethoxy-4-thiazolidine-carboxylic acid of formula I ##STR1## and the alkali, alkali-earth of basic amino acid salts thereof have therapeutic activities in the affections of respiratory system.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: October 17, 1989
    Assignee: Yason S.r.l.
    Inventor: Giuseppe Quadro
  • Calcium antagonistic dihydropyridine derivative
    Patent number: 4826856
    Abstract: The compound I ##STR1## prepared by reacting m-nitrobenzaldehyde, ethyl .beta.-aminocrotonate and 2-piperidinoethanol acetoacetate, is endowed with valuable pharmacological properties namely calcium antagonistic activity in vitro and in vivo.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: May 2, 1989
    Assignees: Yason s.r.l., Sir International SA, Henning Berlin GmbH
    Inventors: Giuseppe Quadro, Jean Cahn