Drug – bio-affecting and body treating compositions – Dentifrices – Hydroxy carboxylic acid or derivative thereof
Patent
1975-03-20
1976-11-30
Gotts, Lewis
Drug, bio-affecting and body treating compositions
Dentifrices
Hydroxy carboxylic acid or derivative thereof
A61K 716
Patent
active
039950247
ABSTRACT:
Dentifrice compositions containing a water-soluble anionic cellulose derivative and stable against syneresis due to its content of a water-soluble salt of a hydroxybenzoate ester and a water-swellable clay of natural or synthetic origin. The salt is preferably a sodium lower alkyl p-hydroxybenzoate.
REFERENCES:
patent: 2839448 (1958-06-01), Hager et al.
Gubner et al., "Dental Therapeutic Comp." Can. 680,168, Feb. 2, 1964, pp. 265-280.
Hawking Brian Rae
Hetherington Kenneth William
Beecham Group Limited
Gotts Lewis
Owens Cary
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