C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 222/02 (2006.01) A61C 13/23 (2006.01) A61K 6/00 (2006.01) C08F 8/44 (2006.01) C08F 216/18 (2006.01)
Patent
CA 2097496
Disclosed are stabilizer compositions comprising specific mixed partial salts of a lower alkyl vinyl ether-maleic acid copolymer wherein said partial salts containing from about 10 % to about 40 % free acid, and as the cationic salt function: (a) from about 0.1 % to about 9.9 % zinc or strontium cations; (b) from about 0.1 % to about 25 % sodium cations; and (c) from about 20 % to about 70.% calcium cations of the total initial carboxyl groups reacted and wherein said compositions have a taste index of below about 0.7. Also disclosed are denture stabilizing compositions comprising these mixed partial salts, as well as denture stabilizing compositions comprising a safe and adhesively effective amount of two or more denture adhesive components wherein one of said denture adhesive components is the mixed partial salt(s) of the present invention.
Divulgation de compositions de stabilisants comprenant des sels mixtes partiels spécifiques de copolymères d'éther d'alkylvinyles légers et d'acide maléique; les sels partiels contenant d'environ 10 à environ 40 % d'acide libre et, comme fonction saline cationique, a) d'environ 0,1 à environ 9,9 % de cations de zinc ou de strontium, b) d'environ 0,1 à environ 25 % de cations de sodium, et c) d'environ 20 à environ 70 % de cations de calcium, par rapport au nombre total de groupements initiaux carboxyles ayant réagi; ces compositions ont un indice de saveur inférieur à environ 0,7. On divulgue aussi des compositions stabilisantes pour prothèse dentaire comprenant ces sels mixtes partiels, ainsi que des compositions stabilisantes pour prothèse dentaire comprenant des quantités sécuritaires et d'adhésivité assez importante de deux ou plus de deux constituants d'adhésif dentaire, l'un de ces constituants d'adhésif dentaire étant le(s) sel(s) partiel(s) mixtes(s) divulgué(s) dans la présente invention.
Ha Bao K.
Mackay Bruce J.
Rajaiah Jayanth
Saud Abel
Gowling Lafleur Henderson Llp
Richardson-Vicks Inc.
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