Patents by Inventor Liam McElroy

Liam McElroy 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 purification of meloxicam
    Patent number: 8008480
    Abstract: A process for purifying meloxicam form I from a crude meloxicam, which comprises: i. contacting the crude meloxicam with an amine in a non-aqueous solvent to form a meloxicam salt; ii. isolating the meloxicam salt; iii. dissolving the meloxicam salt in an aqueous solvent to form a salt solution; and iv. adding an acid to the salt solution to precipitate free meloxicam.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: August 30, 2011
    Assignee: Norbrook Laboratories Ltd
    Inventors: Liam McElroy, Lillian Cromie, Mark Garret
  • Process for the Purification of Meloxicam
    Publication number: 20090163707
    Abstract: A process for purifying meloxicam form I from a crude meloxicam, which comprises: i. contacting the crude meloxicam with an amine in a non-aqueous solvent to form a meloxicam salt; ii. isolating the meloxicam salt; iii. dissolving the meloxicam salt in an aqueous solvent to form a salt solution; and iv. adding an acid to the salt solution to precipitate free meloxicam.
    Type: Application
    Filed: March 2, 2009
    Publication date: June 25, 2009
    Inventors: Liam McElroy, Lillian Cromie, Mark Garret
  • Process for the Purification of Meloxicam
    Publication number: 20080119647
    Abstract: A process for purifying meloxicam form I from a crude meloxicam, which comprises: i. contacting the crude meloxicam with an amine in a non-aqueous solvent to form a meloxicam salt; ii. isolating the meloxicam salt; iii. dissolving the meloxicam salt in an aqueous solvent to form a salt solution; and iv. adding an acid to the salt solution to precipitate free meloxicam.
    Type: Application
    Filed: November 15, 2007
    Publication date: May 22, 2008
    Inventors: Liam McElroy, Lillian Cromie, Mark Garret