Patents by Inventor George W. Skinner

George W. Skinner 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).

  • High gloss cellulose tablet coating
    Patent number: 4931286
    Abstract: High gloss pharmaceutical tablets have an outer coating of sodium carboxymethylcellulose and polyethylene glycol as 0.1 to 5.0% by weight of the tablet. The sodium carboxymethylcellulose has a D.S. between 0.2 and 1.4 and a D.P. between 100 and 4000. Spraying the coating from a water solution eliminates the need for solvent recovery.
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: June 5, 1990
    Assignee: Aqualon Company
    Inventors: Joseph L. Johnson, George W. Skinner