Patents by Inventor Ettore Parini

Ettore Parini 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).

  • Pharmacologically active alkylthiobenzimidazole derivatives and process for the preparation thereof
    Patent number: 4983620
    Abstract: New alkylthiobenzimidazole derivatives are described which belong to the class of formula: ##STR1## wherein R.sub.1 and R.sub.2 each represent a 1-3 carbon atom alkyl radical or they may form with the adjacent nitrogen atom, an optionally substituted heterocyclic ring,X represents a hydrogen atom or methyl radicaln is 1 or 2R.sub.3 represents a 4-6 carbon atom alkoxyalkyl radical, a 7 or 8 carbon atom arylalkyl radical or a 5 or 6 carbon atom cycloalkyl radical with the exception that R.sub.3 may not be an arylalkyl radical when R.sub.1 and R.sub.2 each represent a 1-3 carbon atom alkyl radicalR.sub.4 and R.sub.5 may be the same or different and each represent a hydrogen atom or a 1-2 carbon atom alkyl or they, attached at the positions 5 and 6 of the benzimidazole nucleus, may form together the ring ##STR2## The compounds (I) possess interesting antihistaminic and anti-allergic activities.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: January 8, 1991
    Assignee: Dompe Farmaceutici S.p.A.
    Inventors: Roberto P. Giani, Ettore Parini, Giancarlo Tonon
  • Process for the preparation of pyridobenzodiazepinone
    Patent number: 4841046
    Abstract: The present invention refers to an improved method for the preparation of 6,11-dihydro-5H-pyrido[2,3-b][1,5]benzodiazepin-5-one in which the condensation between 2-chloronicotinic acid and o-phenylenediamine is carried out by refluxing in the presence of a solvent consisting of a cycloalkanol. The end product is in pure state and it may be utilized as such.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: June 20, 1989
    Assignee: Dompe' Farmaceutici S.p.A.
    Inventors: Roberto P. Giani, Ettore Parini, Giancarlo Tonon, Massimiliano Borsa
  • Aminoacyl derivatives of 4,9-dihydro-10H-pyrido[3,2-b]thieno[3,2-e][1,4]diazepinone and of 4,9-dihydro-10H-pyrido[3,2-b]thieno[3,4-e][1,4]diazepinone, their preparation and pharmaceutical compositions containing them
    Patent number: 4659707
    Abstract: Compounds of the formula I ##STR1## wherein the A ring represents ##STR2## R.sub.1 and R.sub.2 are H or CH.sub.3 ; M is a cyclic amino group, are endowed with antiulcer, antisecretory, antimuscarinic and spasmolytic activity.
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: April 21, 1987
    Assignee: Dompe' Farmaceutici S.p.A.
    Inventors: Roberto Giano, Ettore Parini, Salvatore Malandrino, Giancarlo Tonon
  • Quaternary salts of dibenzo[1,4]diazepinones, pyrido-[1,4]benzodiazepinones, pyrido[1,5]benzodiazepinones with antiulcer, antisecretory, spasmolytic and antimusarinic activities
    Patent number: 4594190
    Abstract: Quaternary salts of 11-acyl derivatives of 5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one, 6,11-dihydro-5H-pyrido[2,3-b][1,5]benzodiazepin-5-one and 5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one are described.Said quaternary salts are endowed with antiulcer, antisecretory, spasmolytic and antimuscarinic activity.
    Type: Grant
    Filed: May 9, 1984
    Date of Patent: June 10, 1986
    Assignee: Dompe' Farmaceutici S.p.A.
    Inventors: Roberto Giani, Ettore Parini, Giancarlo Tonon
  • Pyrido[1,5]benzodiazepinone derivatives and pharmacological activities thereof
    Patent number: 4556653
    Abstract: 11-Acyl derivatives of 5,11-dihydro-6H-pyrido-[2,3-b][1,4]benzodiazepin-6-one, 6,11-dihydro-5H-pyrido[2,3-b][1,5]benzodiazepin-5-one and 5,11-dihydro-6H-benzo[2,3-b][1,4]benzodiazepin-6-one, their preparation and pharmaceutical compositions endowed with antisecretory, antiulcer, antimuscarinic, spasmolytic activities containing the same, are described.
    Type: Grant
    Filed: May 9, 1984
    Date of Patent: December 3, 1985
    Assignee: Dompe' Farmaceutica S.p.A.
    Inventors: Roberto Giani, Ettore Parini, Giancarlo Tonon