Colgate Palmolive Company

Colgate-Palmolive

Kenneth Harvey

Harry Hayes

Anthony J Morton

Eric Baines

Stephen T Connors

Ian W Stewart

Hermann Gutenberg

Sydney James Forshaw

Hendrik F Weyn

Dental cream effective in promoting oral hygiene containing an amine fluoride, insoluble alkali metal metaphosphate polishing material, an aqueous humectant phase including at least one of glycerine and sorbitol and a solid phase containing non-ionic cellulosic gelling agent, wherein polyethylene glycol of average molecular weight of about 200-1000 is present to stabilize the dental cream against phase separation.

Stabilized amine fluoride dental cream

Astringent dentifrice containing a water-soluble zinc salt and a hydrous silica gel polishing agent compatible and substantially non-reactive with the zinc salt.

Astringent dentifrice

Astringent dentifrice containing a water-soluble zinc salt and alkali metal monofluorophosphate and a hydrous silica gel polishing agent compatible and substantially non-reactive with each of the zinc salt and the alkali metal monofluorophosphate.

Astringent dentifrice containing monofluorophosphate

Astringent gel dentifrice containing a water-soluble zinc salt, a hydrous silica gel polishing agent compatible and substantially non-reactive with the zinc salt and alkali metal carboxymethyl cellulose.

Astringent gel dentifrice

Dentifrice containing a liquid vehicle containing water, a gelling agent, a dual source of at least about 500 ppm of fluorine comprising sodium fluoride and sodium monofluorophosphate, a precipitated, amorphous silica gel having an average particle size of 1 to 30 microns and

Dentifrice containing dual sources of fluoride

There is disclosed a dentifrice formulation which is stable in the sense of not producing gassing as evidenced by visually discernable distention over a period of 168 days at 43.degree. C. in an unlined aluminium tube. The formulation comprises an aqueous dentally acceptable oral vehicle at least 27.5% by weight of the dentifrice comprising water and dispersed in the said oral vehicle from 10 to 40% by weight of the dentifrice of a neutral siliceous polishing agent having a stirred slurry pH (as herein defined) in the range from 6.5 to 7.5, and a stabilizing amount of monofluorophosphate ion, the dentifrice having a stirred slurry pH in the range from 5.5 to 8.

Stable dentifrice containing neutral siliceouse polishing agent

A visually clear pigmented dentifrice in which a color-intensive conjugated pigment, such as a phthalocyanine is dispersed homogeneously throughout the clear dentifrice. The dentifrice is characterized as retaining color without substantial fading and with retention of clarity.

Dentifrice composition containing visually clear pigment-colored stripe

A dental cream of desirable rheological properties containing a hydrated alumina polishing material and high viscosity hydroxyethyl cellulose gelling agent.

Extrudable dental cream

Visually clear pigment-colored dentifrice composition

There is disclosed a dentifrice formulation which is stable in the sense of not producing gassing as evidenced by visually discernable distention over a period of 168 days at 43.degree. C. in an unlined aluminum tube. The formulation comprises an aqueous dentally acceptable oral vehicle at least 27.5% by weight of the dentifrice comprising water and dispersed in the said oral vehicle from 10 to 40% by weight of the dentifrice of a neutral siliceous polishing agent having a stirred slurry pH (as herein defined) in the range from 5 to less than 6.5, and a stabilizing amount of monofluorophosphate ion, the dentifrice having a stirred slurry pH in the range from 5.5 to 8.

Stable dentifrice containing acidic siliceous polishing agent

Stable dentifrice containing neutral siliceous polishing agent

There is disclosed a visually clear colored dentifrice comprising a liquid vehicle having a refractive index between about 1.36 and 1.47, up to about 10% by weight of a gelling agent, about 5-50% by weight of a polishing material having a refractive index similar to that of that of the said liquid vehicle, such that the said dentifrice is visually clear in appearance when the said polishing material is dispersed in the said liquid vehicle and about 0.004-1% by weight of a lake pigment insoluble in water and in the said liquid vehicle, the said lake pigment containing an inherently colorless substrate.

Visually clear lake colored dentifrice

A dental cream of desirable rheological properties containing a gelling agent system comprising hydroxyethyl cellulose and sodium carboxymethyl cellulose in a weight ratio of about 3:2 to 2:3.

Smooth dental cream

A dentifrice is described comprising an aqueous phase containing aluminium and an oil phase containing fluoride, the immiscibility and physiochemical properties of the phases resulting in a 'dual action' effect on dentition to which this dentifrice is applied by substantially separate treatment with aluminium and then fluoride.

Growing community of inventors

Wilmslow, United Kingdom

Kenneth Harvey