New pharmaceutical preparations with extended release

  • US 4,803,081 A
  • Filed: 04/03/1987
  • Issued: 02/07/1989
  • Est. Priority Date: 04/11/1986
  • Status: Expired due to Term
First Claim
Patent Images

1. A solid preparation providing extended release of an active compound with very low solubility in water copmrising a solution or dispersion of an effective amount of the active compound in a semi-solid or liquid nonionic solubilizer, wherein the amount by weight of the solubilizer is at least equal to the amount by weight of the active compound, and a release controlling system to provide extended release.

View all claims

    Thank you for your feedback