×

Uncoated pharmaceutical reaction tablet

  • US 5,064,656 A
  • Filed: 08/28/1990
  • Issued: 11/12/1991
  • Est. Priority Date: 11/14/1989
  • Status: Expired due to Term
First Claim
Patent Images

1. Uncoated, compressed tablet for the preparation of an orally applicable aqueous suspension or solution of a pharmaceutically active substance, comprising in a mixture with one another at least one pharmaceutically active substance, a disintegrant effective amount of at least one water insoluble, water swellable disintegrant which is starch or crosslinked polyvinylpolypyrrolidone and an effervescent effective amount of an effervescent system which generates a gas upon contact with water comprising a first constituent selected from the group consisting of L-tartaric acid, fumaric acid, citric acid, malic acid, monosodium citrate and adipic acid and a second constituent which is an alkali metal or alkaline earth metal carbonate or bicarbonate, wherein the weight ratio of disintegrant to said system is from 0.1:

  • 1 to 4;

    1.

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