Patents Represented by Attorney Doanld A. Peterson

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  • Therapeutic agents
    Patent number: 4839176
    Abstract: A solid storage stable composition comprising ibuprofen or a pharmaceutically acceptable salt thereof and codeine or a pharmaceutically acceptable salt thereof together with a sufficient amount of a pharmaceutically acceptable insoluble salt of carboxymethylcellulose to prevent discoloration of the composition.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: June 13, 1989
    Assignee: Boots Company PLC
    Inventors: Mahendra G. Pankhania, Michael C. Meyer