Patents by Inventor Osvaldo Ponchiroli

Osvaldo Ponchiroli 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).

  • Salicyclic acid derivatives of N-acetylcysteine and pharmacological use thereof
    Patent number: 4567163
    Abstract: The thioester of N-acetylcysteine with salicylic acid and the pharmacologically acceptable and non-toxic organic and inorganic salts thereof, exhibit anti-pyretic, anti-inflammatory and analgesic activity as well as mucolytic activity. The compounds are prepared by the reaction of N-acetylcysteine with either the acid chloride of acetylsalicylic acid or with the mixed anhydride formed from acetylsalicylic acid and ethyl chloroformate, the reaction taking place in an aqueous medium and at low temperature.
    Type: Grant
    Filed: November 16, 1982
    Date of Patent: January 28, 1986
    Assignee: Pietro Ismardi & C. S.p.A.
    Inventor: Osvaldo Ponchiroli
  • Nicotinic derivatives of glucosamine and related pharmaceutical compositions
    Patent number: 4358441
    Abstract: The nicotinic derivatives of glucosamine, particularly N-nicotinoyl-glucosamine tetranicotinate are described as having anti-lipolitic, hypocholesterolemizing and antiaterogenic activities, at an equal or higher level than those of nicotinic acid, without the objectionable side effects shown by the acid. To prepare the compounds of the invention, nicotinoyl chloride hydrochloride and glucosamine hydrochloride are reacted in an organic solvent at a temperature of between 40.degree. C. and 120.degree. C.
    Type: Grant
    Filed: May 19, 1981
    Date of Patent: November 9, 1982
    Assignee: Laboratorio Guidotti & C. S.p.A.
    Inventors: Walter Murmann, Osvaldo Ponchiroli