Compressed drug tablets of ethyl cellulose, glyceryl monostearate, karaya gum, tragacanth, talc, and magnesium stearate

Claim 1

THE METHOD OF PREPARING A PHARMACEUTICAL PREPARATION I THE FORM OF A SLOWLY DISINTEGRABLE TABLET WHICH COMPRISES INTIMATELY ADMIXING ABOUT 25 TO 47 PARTS OF AN ACTIVE MAJOR INGREDIENT WITH 4 TO 6 PARTS OF AN ETHYL CELLULOSE, WETTING THE ACTIVE MAJOR INGREDIENT ADMIXTURE WITH ALCOHOL; DRYING THE ACTIVE MAJOR INCREDIENT ADMIXTURE THEREBY REMOVING ALCOHOL THEREFROMF INTIMATELY ADMIXING THE SO-DRIED ACTIVE MAJOR INGREDIENT ADMIXTURE WITH A WET GRANULATION CONSISTING OF ABOUT 3 TO 8 PARTS TRAGACANTH, ABOUT 16 TO 24 PARTS OF GLYCERYL MONOSTERATE, ABOUT 16 TO 24 PARTS KARAYA GUM, AND WATER; DRYING THE SO-OBTAINED WET GRANULATION MIXTURE; SIEVING THE DRIED GRANULATION MIXTURE; COATING THE SIEVED GRANUALTION MIXTURE WITH AN ALCOHOLIC SOLUTION OF AN ETHYL CELLULOSE CONTAINING ABOUT 1.3 TO 2 PARTS OF AN ETHYL CELLULOSE; DRYING THE COATED GRANULATION MIXTURE THEREBY REMOVING ALCOHOL THEREFROM; SIEVING THE DRIED COATED GRANULATION MIXTURE; BLENDING THE COATED AND SIEVED GRANULATION MIXTURE WITH RUNNING POWDERS CONSISTING OF TALC AND MAGNESIUM STEARATE; AND COMPRESSING THE BLENDED MATERIAL INTO TABLET FORM.

Claim 2

THE METHOD OF PREPARING A PHARMACEUTICAL PREPARATION I THE FORM OF A SLOWLY DISINTEGRABLE TABLET WHICH COMPRISES INTIMATELY ADMIXING ABOUT 25 TO 47 PARTS OF AN ACTIVE MAJOR INGREDIENT WITH 4 TO 6 PARTS OF AN ETHYL CELLULOSE, WETTING THE ACTIVE MAJOR INGREDIENT ADMIXTURE WITH ALCOHOL; DRYING THE ACTIVE MAJOR INCREDIENT ADMIXTURE THEREBY REMOVING ALCOHOL THEREFROMF INTIMATELY ADMIXING THE SO-DRIED ACTIVE MAJOR INGREDIENT ADMIXTURE WITH A WET GRANULATION CONSISTING OF ABOUT 3 TO 8 PARTS TRAGACANTH, ABOUT 16 TO 24 PARTS OF GLYCERYL MONOSTERATE, ABOUT 16 TO 24 PARTS KARAYA GUM, AND WATER; DRYING THE SO-OBTAINED WET GRANULATION MIXTURE; SIEVING THE DRIED GRANULATION MIXTURE; COATING THE SIEVED GRANUALTION MIXTURE WITH AN ALCOHOLIC SOLUTION OF AN ETHYL CELLULOSE CONTAINING ABOUT 1.3 TO 2 PARTS OF AN ETHYL CELLULOSE; DRYING THE COATED GRANULATION MIXTURE THEREBY REMOVING ALCOHOL THEREFROM; SIEVING THE DRIED COATED GRANULATION MIXTURE; BLENDING THE COATED AND SIEVED GRANULATION MIXTURE WITH RUNNING POWDERS CONSISTING OF TALC AND MAGNESIUM STEARATE; AND COMPRESSING THE BLENDED MATERIAL INTO TABLET FORM.