Patents by Inventor Carmen Arnalot i Aguilar

Carmen Arnalot i Aguilar 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).

  • Method for obtaining polymorph a from doxazosine mesylate
    Patent number: 6525195
    Abstract: The invention discloses a process for the preparation of the polymorh A of doxazosin meylate, consisting essentially of reacting doxazosin base with methanesulfonic acid in a mixture of solvents containing an alcohol and a chlorinated solvent, subsequently removing the chlorinated solvent by distillation and precipitating the desired product in an alcohol, after heating the suspension formed to the reflux temperature of the solvent.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: February 25, 2003
    Assignee: Medichem, S.A.
    Inventors: Carmen Arnalot I Aguilar, Jordi Bosch I Lladó, Ma Carmen Onrubia Miguel
  • Venlafaxine production process
    Patent number: 6506941
    Abstract: A process for the preparation of venlafaxin and/or the physiologically acceptable addition salts thereof that consists of reacting a compound of general formula (II) where R is a C1-C10 alkyl, aryl, aralkyl or cycloalkyl group of 3 to 6 atoms of carbon, with a organomagnesium compound of general formula (III) where X is an atom of halogen and, if desired, a salt of the thus obtained venlafaxin is formed by reaction thereof with a physiologically acceptable acid.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: January 14, 2003
    Assignee: Medichem, S.A.
    Inventors: Carmen Arnalot i Aguilar, Jordi Bosch i Lladó, Pelayo Camps Garcia, Maria del Carmen Onrubia Miguel, Núria Soldevilla Madrid