C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
167/316
C01B 25/30 (2006.01) C11D 1/12 (2006.01) C11D 1/66 (2006.01) C11D 3/00 (2006.01) C11D 3/34 (2006.01) C11D 3/60 (2006.01) C11D 7/00 (2006.01) C11D 10/02 (2006.01) C11D 17/00 (2006.01)
Patent
CA 1105387
ABSTRACT OF THE DISCLOSURE A self-acting denture-cleansing tablet of single lay structure for use in an aqueous solution for cleaning dentures wherein the tablet is formed from a formulation containing about 15 to 25 weight percent of sodium bicarbonate, about 10 to 12 weight percent of sodium hexametaphosphate and about 5.5 to 7.5 weight percent of acid disodium pyrophosphate, about 20 to 24 weight percent of a salt of Caro's acid, about 15 to 30 weight percent of amidosulfonic acid, about 2 to 6 weight percent of an ethylene diamine tetraacetic acid, about 1 to 4 weight percent of polyethylene glycol having a molecular weight of about 4,000 to 20,000, about 0.5 to 2 weight percent of a sodium salt of a polycarboxylic acid which is a polymeric surface-active dye carrier having cleansing properties, from about 0.5 to 1.5 weight percent of at least one surfactant, about 0.8 to 1.1 weight percent of sodium benzoate, about 1.5 to 2.5 weight percent of a dialkyl thiourea and about 0.2 to 0.5 weight percent of a non-ionogenic f??oro- chemical substance, whereby the pH in a 1% solution of such tablet in water is 6.3 to 6.5, said denture tablet being characterized by a total de- composition time of about 1 to 2 minutes and a total denture-cleansing time of about 3 to 5 minutes and said denture-cleansing solution formed on dissolution of the tablet having a surface tension of about 25 to 26 dynes/cm.
293728
Krisp Werner
Reuss Mira
Kukident Kurt Krisp Gmbh & Co. Kg
Smart & Biggar
LandOfFree
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