Composition to control mouth odor

Claim 2

A non-astringent tasting oral composition to control mouth odor containing as the essential agent, a zinc-polymer complex having a pH of about 4.5 to 6, wherein said polymer is anionic, linear and contains ionizable carboxyl, sulfonic or phosphonic groups selected from the group consisting of 1. a copolymer of maleic anhydride with ethylene, or styrene, or isobutylene, or polymethyl vinyl ether, or polyethylvinyl ether, having recurring groups: ##STR8## wherein M and M 1 are individually hydrogen, sodium, potassium or ammonium and may be the same or different, and X is ethylene, styrene, isobutylene, methylvinyl ether, and ethylvinyl ether, 2.

Claim 3

a polyacrylic acid and polyacrylates thereof having recurring groups: ##STR9## wherein M and M 1 have the same meaning as above,

Claim 4

a polyacrylic acid and polyacrylates thereof having recurring groups: ##STR9## wherein M and M 1 have the same meaning as above,

Claim 5

a polyitaconic acid and polyitaconates thereof having recurring groups: ##STR10## wherein M and M 1 have the same meaning as above,

Claim 6

a polyitaconic acid and polyitaconates thereof having recurring groups: ##STR10## wherein M and M 1 have the same meaning as above,

Claim 7

a polyolefin sulfonate having recurring groups: ##STR11## wherein M has the same meaning as above,

Claim 8

a polyolefin sulfonate having recurring groups: ##STR11## wherein M has the same meaning as above,

Claim 9

a polyvinyl phosphonate having recurring groups: ##STR12## wherein M and M 1 have the same meaning as above,

Claim 10

a polyvinyl phosphonate having recurring groups: ##STR12## wherein M and M 1 have the same meaning as above,

Claim 11

and a polyvinyl phosphate having recurring groups: ##STR13## wherein M and M 1 have the same meaning as above, and is ionically bound to a physiologically acceptable zinc salt selected from the group consisting of ______________________________________ zinc acetate zinc isovalerate zinc acetylacetonate zinc D-lactate zinc ammonium sulfate zinc DL-lactate zinc benzoate zinc laurate zinc bromide zinc hexafluorosilicate zinc beryllium orthosilicate zinc methacrylate zinc borate zinc molybdate zinc butylphthalate zinc naphthenate zinc butylxanthate zinc octoate zinc caprylate zinc oleate zinc carbonate zinc orthophosphate zinc chloroanilate zinc phenolsulfonate zinc chlorate zinc pyridine-2-thiol-1-oxide zinc chromate zinc pyrophosphate zinc citrate zinc resinate zinc cyclohexanebutyrate zinc salicylate zinc chloride zinc sulfate zinc gallate zinc nitrate zinc fluoride zinc selenide zinc alpha-glucoheptonate zinc stearate zinc gluconate zinc sulfanilate zinc glycerophosphate zinc tartrate zinc hydroxide zinc tellurate zinc 8-hydroxyquinoline zinc tungstate zinc 12-hydroxystearate zinc valerate zinc iodide zinc vanadate zinc acrylate zinc tribromosalicylanilide zinc oxide zinc ricinoleate zinc propionate, ______________________________________ the ratio of zinc salt to anionic polymer being within the range of about

Claim 12

and a polyvinyl phosphate having recurring groups: ##STR13## wherein M and M 1 have the same meaning as above, and is ionically bound to a physiologically acceptable zinc salt selected from the group consisting of ______________________________________ zinc acetate zinc isovalerate zinc acetylacetonate zinc D-lactate zinc ammonium sulfate zinc DL-lactate zinc benzoate zinc laurate zinc bromide zinc hexafluorosilicate zinc beryllium orthosilicate zinc methacrylate zinc borate zinc molybdate zinc butylphthalate zinc naphthenate zinc butylxanthate zinc octoate zinc caprylate zinc oleate zinc carbonate zinc orthophosphate zinc chloroanilate zinc phenolsulfonate zinc chlorate zinc pyridine-2-thiol-1-oxide zinc chromate zinc pyrophosphate zinc citrate zinc resinate zinc cyclohexanebutyrate zinc salicylate zinc chloride zinc sulfate zinc gallate zinc nitrate zinc fluoride zinc selenide zinc alpha-glucoheptonate zinc stearate zinc gluconate zinc sulfanilate zinc glycerophosphate zinc tartrate zinc hydroxide zinc tellurate zinc 8-hydroxyquinoline zinc tungstate zinc 12-hydroxystearate zinc valerate zinc iodide zinc vanadate zinc acrylate zinc tribromosalicylanilide zinc oxide zinc ricinoleate zinc propionate, ______________________________________ the ratio of zinc salt to anionic polymer being within the range of about

Claim 13

2:1 to 1:4. 2. A composition in accordance with claim 1, wherein the zinc compound constitutes about 0.01 to 5%, and the anionic polymer constitutes

Claim 14

about 0.1 to 10% by weight of the composition. 3. A composition in accordance with claim 1, wherein said anionic polymer is a copolymer of

Claim 15

maleic anhydride and methylvinyl ether. 4. A composition in accordance

Claim 16

maleic anhydride and methylvinyl ether. 4. A composition in accordance

Claim 17

with claim 1, wherein said zinc salt is zinc oxide. 5. A composition in

Claim 18

accordance with claim 1, wherein said zinc compound is zinc chloride. 6. A composition in accordance with claim 1, wherein said zinc salt is zinc propionate.

Claim 19

A method of preventing and controlling mouth odor which comprises applying the composition of claim 1 to the oral cavity, wherein the zinc-anionic polymer complex adsorbs onto the oral surfaces forming a reservoir of zinc ions which is slowly released within said cavity.

Claim 20

A method in accordance with claim 7 which comprises washing the oral cavity with an aqueous mouthrinse.

Claim 21

A method in accordance with claim 7 which comprises brushing the teeth with a dental cream.

Claim 22

A composition in accordance with claim 1, wherein the anionic polymer is selected from the group consisting of copolymers of an unsaturated polybasic carboxylic acid or anhydride and of an olefin having 2 or more carbon atoms per molecule; polyolefin sulfonates; polyolefin phosphonates; and polyolefin phosphates wherein the olefin group contains 2 or more carbon atoms.