Patents by Inventor Paul Compton Collins

Paul Compton Collins 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).

  • Removal of aldehyde impurity by reactive polystyrene resini
    Patent number: 7563807
    Abstract: A purification method in the preparation of a substituted 8-arylquinoline, wherein the aryl group at the 8-position contains a substituent substituted-alkenyl group, utilizes a polystyrene-based sulfonylhydrazine reactive resin to remove an aldehyde impurity.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: July 21, 2009
    Assignee: Merck & Co. Inc.
    Inventors: Mirlinda Biba, Paul Compton Collins, Christopher Joseph Welch, David A. Conlon, Antoinette Drahus