The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2024
Filed:
May. 06, 2022
Chiesi Farmaceutici S.p.a., Parma, IT;
Alessandro Falchi, Parma, IT;
Emilio Lutero, Parma, IT;
Emanuele Ferrari, Parma, IT;
Fausto Pivetti, Parma, IT;
Rocco Bussolati, Parma, IT;
Edoardo Mariani, Parma, IT;
Orsola Vecchi, Parma, IT;
Erhard Bappert, Parma, IT;
Caterina Ventrici, Parma, IT;
CHIESI FARMACEUTICI S.p.A., Parma, IT;
Abstract
The present invention relates to a process for the preparation of compounds endowed with phosphodiesterase (PDE4) inhibitory activity having formula (I). The invention also relates to the process for the isolation by crystallization of the compound (I) and to its use for the preparation of pharmaceutical compositions for inhalation in combination with suitable carriers or vehicles. The present invention also relates to solvates and crystal forms of a compound of formula (I). The synthesized product is suitable for use in pharmaceutical applications for instance in the treatment of respiratory diseases.