Patents by Inventor Raymond E. Hopponen

Raymond E. Hopponen 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).

  • Water miscible macrolide solutions
    Patent number: 6239112
    Abstract: Water miscible pharmaceutical compositions containing up about 40% of a marcrolide such as an azalide antibiotic are prepared by reaction of the macrolide with acid in a non-aqueous water miscible organic solvent system.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: May 29, 2001
    Assignee: Merial, Inc.
    Inventors: Lowell R. Macy, Raymond E. Hopponen, Roger A. Wilson, James B. Williams
  • Water miscible macrolide solutions
    Patent number: 5958888
    Abstract: Water miscible pharmaceutical compositions containing up to about 40% of a macrolide antibiotic are prepared by reaction of the macrolide with acid in a non-aqueous water miscible organic solvent system.
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: September 28, 1999
    Assignee: Merial, Inc.
    Inventors: Lowell R. Macy, Raymond E. Hopponen, Roger A. Wilson, James B. Williams
  • Water miscible erythromycin solutions
    Patent number: 5723447
    Abstract: Water miscible pharmaceutical compositions containing up to about 40% of erythromycin prepared by reaction with acetic acid in a non-aqueous water miscible organic solvent system.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: March 3, 1998
    Assignee: Rhone Merieux, Inc.
    Inventors: Lowell R. Macy, Raymond E. Hopponen
  • Aqueous spectinomycin borate solutions
    Patent number: 5556879
    Abstract: Aqueous pharmaceutical compositions containing up to about 40% spectinomycin, prepared by the reaction of the ketone hydrate of spectinomycin with boric acid to form the boron compound, and with a base such as sodium hydroxide to form the stable salt of the compound.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: September 17, 1996
    Assignee: Rhone Merieux, Inc.
    Inventors: Raymond E. Hopponen, Lowell R. Macy