×

Pharmaceutical composition for rapid suspension in water

  • US 5,306,506 A
  • Filed: 03/03/1992
  • Issued: 04/26/1994
  • Est. Priority Date: 07/11/1990
  • Status: Expired due to Fees
First Claim
Patent Images

1. A solid pharmaceutical composition for addition to water to produce a suspension of a drug comprising a mixture ofa) a drug which is substantially water-insoluble or microencapsulated;

  • with granules comprising an inert carrier coated with an intimate mixture consisting essentially ofb) a thickening or suspending agent;

    c) a pharmaceutically accepted acid;

    d) a pharmaceutically acceptable carbonate or bicarbonate;

    characterized in that the weight ratio of c+d;

    b is from 1;

    1.5 to 1;

    15 and the amount of c+d is sufficient to obtain rapid hydration of the thickening or suspending agent b) when the composition is mixed with water such that a homogeneous suspension of the drug is obtained within 30 seconds.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×