EP0149249A2 — Polysaccharides and personal care products utiliz…

Claim 1

Independent Claim 406 words

A polysaccharide of the structural formula: wherein: R cell is the residue of an anhydroglucose unit; z is an integer having a value of from about 50 to 4000; each R individually represents a substituent group of the general formula: wherein, for the three R groups on the average: the nitrogen atom is attached to a carbon atom not attached to another hetero atom; a has a value of from 1 to 3; m has a value of from zero to 6; n has an average value per anhydroglucose unit of from zero to 3 and has a value other than zero and adequate to impart alcohol solubility when the average value of m+p+q is inadequate to provide alcohol solubility; p has a value of from zero to 6; q has a value of from zero to 3; the average value of m+g+q per anhydroglucose unit provides said polysaccharide with alcohol solubility when η is zero; R' is CH 3 or H; R" is a member selected from the group consisting of: with the proviso that when g is zero then R" is -H; R 1 , R 2 and R 3 taken individually, represent a member selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, alkoxyalkyl and alkoxyaryl radicals where each of R 1 , R 2 and R 3 can contain up to 10 carbon atoms, with the proviso that when said member is an alkoxyalkyl radical there are at least 2 carbon atoms separating the oxygen atom from the nitrogen atom, and with the further proviso that the total number of carbon atoms in radicals represented by R 1 , R 2 and R 3 is from 3 to 12, with the further proviso that when R 1 , R 2 and R 3 are taken together the nitrogen atom to which R 1 , R 2 and R 3 are attached can be a component of a heterocyclic ring selected from the group consisting of pyridine, α-methylpyridine, 2,5-dimethylpyridine, 2,4,6-trimethylpyridine, N-methylpyridine, N-ethylpyridine, N-methyl morpholine and N-ethyl morpholine; X is an anion; V is an integer equal to the valence of X; x has a value from 2 to 4; y has a value of zero to 1, with the proviso that when y is zero, p and q are zero and R" is H; and with the proviso that when R' is CH 3 , n has a value other than zero.

Claim 2

Dependent Claim 406 words

A polysaccharide of the structural formula: wherein: R cell is the residue of an anhydroglucose unit; z is an integer having a value of from about 50 to 4000; each R individually represents a substituent group of the general formula: wherein, for the three R groups on the average: the nitrogen atom is attached to a carbon atom not attached to another hetero atom; a has a value of from 1 to 3; m has a value of from zero to 6; n has an average value per anhydroglucose unit of from zero to 3 and has a value other than zero and adequate to impart alcohol solubility when the average value of m+p+q is inadequate to provide alcohol solubility; p has a value of from zero to 6; q has a value of from zero to 3; the average value of m+g+q per anhydroglucose unit provides said polysaccharide with alcohol solubility when η is zero; R' is CH 3 or H; R" is a member selected from the group consisting of: with the proviso that when g is zero then R" is -H; R 1 , R 2 and R 3 taken individually, represent a member selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, alkoxyalkyl and alkoxyaryl radicals where each of R 1 , R 2 and R 3 can contain up to 10 carbon atoms, with the proviso that when said member is an alkoxyalkyl radical there are at least 2 carbon atoms separating the oxygen atom from the nitrogen atom, and with the further proviso that the total number of carbon atoms in radicals represented by R 1 , R 2 and R 3 is from 3 to 12, with the further proviso that when R 1 , R 2 and R 3 are taken together the nitrogen atom to which R 1 , R 2 and R 3 are attached can be a component of a heterocyclic ring selected from the group consisting of pyridine, α-methylpyridine, 2,5-dimethylpyridine, 2,4,6-trimethylpyridine, N-methylpyridine, N-ethylpyridine, N-methyl morpholine and N-ethyl morpholine; X is an anion; V is an integer equal to the valence of X; x has a value from 2 to 4; y has a value of zero to 1, with the proviso that when y is zero, p and q are zero and R" is H; and with the proviso that when R' is CH 3 , n has a value other than zero.

Claim 3

Dependent Claim 9 words

The polysaccharide of claim 1 wherein q is zero.

Claim 4

Dependent Claim 36 words

The polysaccharide of one or both claims 1 - 2 wherein at least two of R 1 , R2 and R3 are methyl, especially each of R 1 , R 2 and R 3 are methyl.

Claim 5

Dependent Claim 42 words

The polysaccharide of one or more of the claims 1 - 3 wherein the average value of m+p+g is at least about 3, especially in the range of from about 3.0 to about 5.5 and preferably from about 3.6 to about 4.5.

Claim 6

Dependent Claim 17 words

The polysaccharide of one or more of the claims claims 1 - 4 wherein X is chloride.

Claim 7

Dependent Claim 30 words

The polysaccharide of one or more of the claims 1 - 5 wherein n is a value providing said polysaccaride with a CS of from about 0.05 to about 0.6.

Claim 8

Dependent Claim 59 words

The polysaccharide of one or more of the claims 1 - 6 wherein z in the structural formula is selected to provide a 2 percent by weight solution in 95/5% by volume ethanol/water of said polysaccaride with a Brookfield viscosity (25°C) of less than about 6000 centipoise, especially less than about 200 centipoise, preferably less than about 160 centipoise.

Claim 9

Dependent Claim 76 words

The polysaccharide of claim 1 wherein g is zero; R 1 , R 2 and R 3 are each methyl, X is chloride; the average value of m+p is from about 3 to about 5.5; and z in the structural formula is selected to provide a 2 percent by weight solution of said polysaccharide in 95/5% by volume ethanol/water with a Brookfield viscosity (25°C) of less than about 6000 centipoise, especially less than about 200 centipoise.

Claim 10

Dependent Claim 22 words

A polysaccharide of one or more of the claims 1 - 8 wherein the group R" of the general formula is -H.

Claim 11

Dependent Claim 13 words

The polysaccharide of claim 9 wherein n has a value other than 0.

Claim 12

Dependent Claim 34 words

The polysaccharide of claim 9 wherein n has a value providing said polysaccharide with a CS of from about 0.05 to about 0.6,especiallywith a CS of from about 0.1 to about 0 . .4.

Claim 13

Dependent Claim 25 words

The polysaccharide of claim 11 wherein the average value of m+p+q is from about 3.0 to about 5.5 especially from about 3.6 to about 4.5.

Claim 14

Dependent Claim 11 words

The polysaccharide of claim 1 and/or 11 wherein R' is H.

Claim 15

Dependent Claim 13 words

The polysaccharide of claim 13 wherein n has a value other than 0.

Claim 16

Dependent Claim 28 words

The polysaccharide of claim 14 wherein n has a value providing said polysaccharide with a CS of from about 0.05 to about 0.6,especially.from about 0.1 to about o.4.

Claim 17

Dependent Claim 24 words

The polysaccharide of claim 13 wherein the average value of m+p+q is from about 3.0 to about 5.5,especially from about 3.6 to about 4.5.

Claim 18

Dependent Claim 42 words

A polysaccharide of claim 1 wherein in the general formula n has an average value per anhydroglucose unit of other than zero and up to 3 the average value of m+p+q + n per anhydroglucose unit providing said polysaccharide with alcohol solubility.

Claim 19

Dependent Claim 33 words

The polysaccharide of claim 17 wherein R' is H and n has a value providing said polysaccharide with a CS of from about 0.05 to about 0.6,especially from about 0.1 to about 0.4.

Claim 20

Dependent Claim 30 words

The polysaccharide of one or both of the claims 17-18 wherein the average value of m+p+g is from about 3.0 to about 5.5, especially from about 3.6 to about 4.5.

Claim 21

Dependent Claim 53 words

In a personal care product comprising a solvent containing at least about 50% by weight alcohol and at least one active ingredient, the improvement comprising a polysaccharide according to one or more of the claims 1-19 dissolved in said solvent and present in an amount sufficient to impart conditioning characteristics to said product.

Claim 22

Dependent Claim 35 words

A hair spray formulation comprising an alcohol solvent and a polysaccharide according to one or more of the claims 1-19 dissolved in said solvent and present in an amount effective to provide hair spray characteristics.

Claim 23

Dependent Claim 27 words

The hair spray formulation of claim 21 which includes at least one propellant present in an amount sufficient to spray said polysaccharide dissolved in said alcohol solvent.

Claim 24

Dependent Claim 30 words

The hair spray formulation of one or both of the claims 21-22 wherein said polysaccharide is present in an amount of at least 0.5 percent by weight of said formulation.

Claim 25

Dependent Claim 42 words

The hair spray formualation of one or more of the claims 21-23 wherein said alcohol solvent is ethanol containing less than about 10 percent especially no greater than about 7 percent by weight water based upon the total weight of the solvent.

Claim 26

Dependent Claim 17 words

The hair spray formulation of one or more of the claims 21-24 wherein said propellant is isobutane.

Polysaccharides and personal care products utilizing such polysaccharides

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