Patents Assigned to McNell-PPC, Inc.
  • Bioadhesive pharmaceutical carrier
    Patent number: 5462749
    Abstract: Bioadhesive pharmaceutical carrier consisting essentially of a polymer blend of sodium carboxymethyl cellulose and xanthan gum or sodium alginate. The invention also provides for a method of control releasing a pharmaceutical active comprising incorporating an active into the bioadhesive pharmaceutical carrier. The invention is particularly adaptable for oral use and teething gels.
    Type: Grant
    Filed: April 26, 1994
    Date of Patent: October 31, 1995
    Assignee: McNell-PPC, Inc.
    Inventor: William F. Rencher