Patents by Inventor Jaroslav Tihi

Jaroslav Tihi 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).

  • Process for the preparation of levocetirizine and intermediates thereof
    Patent number: 8049011
    Abstract: The present invention describes a novel process for the preparation of levocetirizine and pharmaceutically acceptable acid addition salts thereof using diglycolic acid or derivatives thereof and new intermediates used in that process.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: November 1, 2011
    Assignee: KRKA, Tovarna Zdravil, D.D., Novo Mesto
    Inventors: Jaroslav Tihi, Rok Zupet, Anica Pecavar, Ivanka Kolenc, Darja Pavlin
  • GASTRO-RESISTANT PHARMACEUTICAL ORAL COMPOSITIONS COMPRISING DULOXETINE OR ITS PHARMACEUTICALLY ACCEPTABLE DERIVATIVES
    Publication number: 20110150942
    Abstract: The present invention relates to a pharmaceutical composition comprising an active core comprising duloxetine or its pharmaceutically acceptable derivatives, a separating layer comprising a pH modifier and a gastro-resistant coating comprising a gastro-resistant polymer selected from methacrylic acid copolymers and optionally an over-coating layer. The present invention also relates to a process for the preparation of duloxetine hydrochloride. It also relates to a packaged medicament.
    Type: Application
    Filed: June 12, 2009
    Publication date: June 23, 2011
    Inventors: Natalija Zajc, Franc Vrecer, Primoz Benkic, Polona Bukovec, Jaroslav Tihi, Andrej Gartner
  • Process For The Preparation Of Levocetirizine And Intermediates Thereof
    Publication number: 20100105908
    Abstract: The present invention describes a novel process for the preparation of levocetirizine and pharmaceutically acceptable acid addition salts thereof using diglycolic acid or derivatives thereof and new intermediates used in that process.
    Type: Application
    Filed: March 12, 2008
    Publication date: April 29, 2010
    Applicant: KRKA, TOVARNA ZDRAVIL, D.D., NOVO MESTO
    Inventors: Jaroslav Tihi, Rok Zupet, Anica Pecavar, Ivanka Kolenc, Darja Pavlin