Patents by Inventor James C. Towson

James C. Towson 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 making zilpaterol
    Patent number: 9630967
    Abstract: This invention generally relates to processes for making zilpaterol and salts thereof, as well as processes for making intermediates that, interalia, may be used to make zilpaterol and salts thereof.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: April 25, 2017
    Assignee: Intervet Inc.
    Inventors: James C. Towson, Shing-Chun Wong
  • AN IMPROVED PROCESS FOR MAKING ZILPATEROL
    Publication number: 20150315195
    Abstract: This invention generally relates to processes for making zilpaterol and salts thereof, as well as processes for making intermediates that, interalia, may be used to make zilpaterol and salts thereof.
    Type: Application
    Filed: December 17, 2013
    Publication date: November 5, 2015
    Applicant: Intervet Inc.
    Inventors: James C. Towson, Shing-Chun Wong
  • Process for recovering flunixin from pharmaceutical compositions
    Patent number: 8501788
    Abstract: This invention is generally directed to a method for recovering flunixin and flunixin analogs from pharmaceutical compositions. The recovered flunixin and analogs can be, for example, reused to make new pharmaceutical compositions and thereby reduce the need and expense of manufacturing new flunixin and flunixin analogs.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: August 6, 2013
    Assignee: Intervet Inc.
    Inventors: James C. Towson, Donal Coveney
  • Process for preparing oxazoline-protected aminodiol compounds useful as intermediates to florfenicol
    Patent number: 8314252
    Abstract: Processes for preparing oxazoline compounds are disclosed. These oxazoline compounds are useful intermediates in the preparation of Florfenicol and related compounds.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: November 20, 2012
    Assignees: Intervet Inc., Intervet International B.V.
    Inventors: Leo A. Paquette, James C. Towson
  • PROCESS FOR PREPARING OXAZOLINE-PROTECTED AMINODIOL COMPOUNDS USEFUL AS INTERMEDIATES TO FLORFENICOL
    Publication number: 20110166359
    Abstract: Processes for preparing oxazoline compounds are disclosed. These oxazoline compounds are useful intermediates in the preparation of Florfenicol and related compounds.
    Type: Application
    Filed: July 28, 2009
    Publication date: July 7, 2011
    Inventors: Leo A. Paquette, James C. Towson
  • Process for Recovering Flunixin From Pharmaceutical Compositions
    Publication number: 20100331376
    Abstract: This invention is generally directed to a method for recovering flunixin and flunixin analogs from pharmaceutical compositions. The recovered flunixin and analogs can be, for example, reused to make new pharmaceutical compositions and thereby reduce the need and expense of manufacturing new flunixin and flunixin analogs.
    Type: Application
    Filed: December 12, 2008
    Publication date: December 30, 2010
    Inventors: James C. Towson, Donal Coveney
  • Process for preparing ester oxazolidine compounds and their conversion to Florfenicol
    Patent number: 7786329
    Abstract: A process for preparing ester oxazolidine compounds is disclosed. These compounds are useful intermediates in processes for making Florfenicol.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: August 31, 2010
    Assignee: Intervet Inc.
    Inventor: James C. Towson
  • PROCESS FOR PREPARING OXAZOLIDINE- AND OXAZOLIDINONE-AMINODIOLS
    Publication number: 20100210851
    Abstract: A method of preparing oxazolidine-protected and oxazolidinone-protected aminodiol compounds is disclosed. These compounds tend to be useful as intermediates in processes for making Florfenicol and related compounds.
    Type: Application
    Filed: July 22, 2008
    Publication date: August 19, 2010
    Inventor: James C. Towson
  • Process for Recovering Florfenicol and Florfenicol Analogs
    Publication number: 20090170954
    Abstract: This invention is generally directed to a method for recovering florfenicol and florfenicol analogs from pharmaceutical compositions. The recovered florfenicol and analogs can be, for example, reused to make new pharmaceutical compositions and thereby reduce the need and expense of manufacturing new florfenicol and florfenicol analogs.
    Type: Application
    Filed: December 12, 2008
    Publication date: July 2, 2009
    Applicant: Schering-Plough Ltd.
    Inventors: James C. Towson, Donal Coveney
  • PROCESS FOR PREPARING OXAZOLINE-PROTECTED AMINODIOL COMPOUNDS USEFUL AS INTERMEDIATES TO FLORFENICOL
    Publication number: 20080319200
    Abstract: A method of preparing oxazoline-protected aminodiol compounds is disclosed. These compounds are useful intermediates in processes for preparing Florfenicol and related compounds.
    Type: Application
    Filed: May 28, 2008
    Publication date: December 25, 2008
    Inventor: JAMES C. TOWSON
  • Process for preparing intermediates to florfenicol
    Patent number: 5663361
    Abstract: A process for preparing a compound of formula I ##STR1## wherein R and R" are as described herein. Compounds of formula I are useful as intermediates in the preparation of florfenicol.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: September 2, 1997
    Assignee: Schering Corporation
    Inventors: James C. Towson, Dhiru B. Vashi