Perfume and compositions containing perfume

Claim 2

A bleach-stable deodorant perfume which comprises deodorant perfume components which are judged to be stable in the presence of sodium perborate tetrahydrate and N,N,N'N'-tetraacetyl ethylenediamine (TAED) according to the Bleach Stability Test, the bleach-stable deodorant perfume having a Malodour Reduction Value of from 0.25 to 3.0 as measured by the Malodour Reduction Value Test.

Claim 3

A bleach-stable deodorant perfume according to claim 1 which comprises from 50 to 100% by weight of bleach-stable deodorant perfume components and from 0 to 50% by weight of ingredients.

Claim 4

A bleach-stable deodorant perfume according to claims 1 or 2, in which the bleach-stable deodorant perfume components each have a Lipoxidase-Inhibiting Capacity of at least 50% or a Raoult Variance Ratio of at least 1.1, said components being allocated to one of six classes consisting of: Class 1 : Phenolic substances; Class 2 : Essential oils, extracts, resins and synthetic oils (denoted "AB"); Class 3 : Aldehydes and ketones; Class 4 : Nitrogen-containing compounds; Class 5 : Esters; Class 6 : Alcohols and ethers; provided that where a bleach-stable deodorant perfume component could be assigned to more than one class, said component is allocated to the class having the lower or lowest number; said components being so selected that: (a) the bleach-stable deodorant perfume contains at least five different components; (b) the bleach-stable deodorant perfume contains components from at least four of the six classes; and (c) any component present in the bleach-stable deodorant perfume at a concentration of less than 0.5% by weight of the said perfume is eliminated from the requirements of (a) and (b).

Claim 5

A bleach-stable deodorant perfume according to claims 1, 2 or 3, in which the Malodour Reduction Value Test comprises the steps of: i) selecting pieces of 100% bulked polyester sheet shirt fabric of 20cm x 20cm; ii) washing the selected pieces of fabric in a front-loading drum-type washing machine with a standard unperfumed washing powder containing the following ingredients: iii) rinsing the washed pieces of fabric and drying them to provide "untreated" fabric; iv) re-washing half of the "untreated" pieces of fabric in the washing machine with the standard washing powder to which has been added 0.2% by weight of a bleach-stable perfume under test, rinsing and re-drying to provide "treated" pieces of fabric; v) inserting the "treated" and "untreated" pieces of fabric into clean polyester cotton shirts in the underarm region so that in each shirt, one underarm region receives a "treated" fabric insert and the other other underarm region receives an "untreated" fabric insert in accordance with a statistical design; vi) placing the shirts carrying the inserts on a panel of 40 Caucasian male subjects of age within the range of from 20 to 55 years (the subjects being chosen from those who develop axillary body malodour that is not unusually strong and who do not develop a stronger body malodour in one axilla compared with the other); vii) assessing the body malodour of the fabric inserts after a period of five hours whereby three trained female assessors record the olfactory intensity of malodour on a 0 to 5 scale, 0 representing no odour and 5 representing very strong malodour, the strength of the odour in each instance being related for purposes of comparison to standard odours produced by aqueous solutions of isovaleric acid at different concentrations according to the following table: viii) calculating the average scores for both treated fabric and untreated fabric, and subtracting the average score of the treated fabric from the average score of the untreated fabric to arrive at the Malodour Reduction Value for the bleach-stable perfume, the bleach-stable perfume being designated a bleach-stable deodorant perfume when its Malodour Reduction Value is from 0.25 to 3.0.

Claim 6

A bleach-stable deodorant perfume according to any preceding claim, in which the Bleach Stability Test comprises the steps of: i) dosing a perfume material under test into the standard unperfumed washing powder and incubating the dosed powder at 20°C in a sealed container for seven days; ii) dividing the dosed powder into two portions and adding to each portion sodium perborate tetrahydrate, together with either TAED granules or sodium sulphate (to act as an inert filler in place of TAED) to provide test and control formulations having the following constitution: iii) incubating both test and control powders in sealed containers at 45°C for a further seven days; and iv) assessing samples of the test and control powders according to a standard triangle test as described in "Manual on Sensory Testing Methods" published by the American Society for Testing and Materials (1969), using a panel of 20 assessors, who are instructed to judge by smell which of the three powder samples is the odd one out, the perfume material being designated a bleach-stable deodorant perfume component when - the odd one out of three is correctly identified by no more than 9 of the 20 assessors.

Claim 7

A bleach-stable deodorant perfume according to any preceding claim, which has a Malodour Reduction Value of from 0.30 to 3.0.

Claim 8

A bleach-stable deodorant perfume according to any preceding claim, which has a Malodour Reduction Value of from 0.40 to 3.0.

Claim 9

A bleach-stable deodorant perfume according to any preceding claim, which has a Malodour Reduction Value of from 0.50 to 3.0.

Claim 10

A bleach-stable deodorant perfume according to any preceding claim, which has a Malodour Reduction Value of from 0.60 to 3.0.

Claim 11

A bleach-stable deodorant perfume according to any preceding claim, which has a Malodour Reduction Value of from 1.00 to 3.0.

Claim 12

A bleach-stable deodorant perfume according to any preceding claim, in which the bleach-stable deodorant components are chosen from: Class 1 - Phenolic substances iso-Amyl salicylate Carvacrol Clove leaf oil Ethyl salicylate iso-Eugenol Hexyl salicylate Thyme oil red Class 2 - Essential oils, extracts, resins and synthetic oils (denoted "AB") Bergamot AB 430 Geranium AB 76 Rose AB 380 Rose AB 409 Class 3 - Aldehydes and ketones 6-Acetyl-1,1,3,4,4,6-hexamethyltetrahydronaphthalene p-t-Amyl cyclohexanone 2-n-Heptylcyclopentanone α-iso-Methyl ionone β-Methyl naphthyl ketone Class 4 - Nitrogen-containing compounds iso-Butyl quinoline Methyl anthranilate Class 5 - Esters o-t-Butylcyclohexyl acetate Diethyl phthalate Nonanediol-1,3-diacetate Nonanolide-1,4 i-Nonyl acetate i-Nonyl formate Phenylethyl phenyl acetate Class 6 - Alcohols & ethers Cinnamic alcohol Dimyrcetol 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-γ-2-benzopyran Hydroxymethyl isopropyl cyclopentane 3a-Methyl-dodecahydro-6,6,9a-trimethylnaphtho-2(2,1-b) furan Tetrahydromuguol

Claim 13

A bleaching composition comprising a peroxy bleach compound and an activator therefor, and a bleach-stable deodorant perfume as defined in any preceding claim.

Claim 14

A bleaching composition according to claim 12, in which the peroxy bleach compound is an inorganic persalt.

Claim 15

A bleaching composition according to claim 13, in which the inorganic persalt is chosen from alkali metal perborates, alkali metal percarbonates, alkali metal persilicate and alkali metal perphosphates.

Claim 16

A bleaching composition according to claim 14, in which the alkali metal perborate is chosen from sodium perborate monohydrate and sodium perborate tetrahydrate.

Claim 17

A bleaching composition according to-any of claims 12 to 15, in which the peroxy bleach activator is chosen from: N-diacetylated and N,N'polyacylated amines; N-alkyl-N-sulphonyl carbonamides; N-acylated cyclic hydrazides; O,N,N-trisubstituted hydroxylamines; N,N'-diacyl-sulphurylamides; Triacylcyanurates; Carboxylic anhydrides; Sugar esters; Esters of sodium p-phenol sulphonate; 1,3-diacyl-4,5-diacyloxy-imidazoline; N,N'-polyacylated glycoluril; Diacylated-2,5-diketopiperazine; Acylation products of propylenediurea; Carbonic acid esters; and mixtures thereof.

Claim 18

A bleaching composition according to any of claims 12 to 16, in which the peroxy bleach activator is chosen from: N,N,N'N'-tetraacetyl ethylenediamine; N,N,N'N'-tetraacetyl glycoluril; Glucose pentaacetate; Sodium acetoxybenzene sulphonate; Sodium nonanoyloxybenzene sulphonate; Sodium octancyloxybenzene sulphonate; and mixtures thereof.

Claim 19

A bleaching composition according to any of claims 12 to 17, in which the ratio by weight of the peroxy bleach compound to the activator is from 30:1 to 1:1.

Claim 20

A bleaching composition according to any of claims 12 to 18, in which the peroxy bleach compound and the activator therefore together form from 1 to 99.99% by weight of the composition.

Claim 21

A bleaching composition according to any of claims 12 to 19 which is a granulated powder.

Claim 22

A bleaching composition according to any of claims 12 to 20, which further comprises a detergent active compound chosen from soap, non-soap detergent active compound and mixtures thereof, thereby forming a detergent product.

Claim 23

A detergent product according to claim 21, in which the non-soap detergent active compound is chosen from anionic detergent active compounds, nonionic detergent active compounds and mixtures thereof.

Claim 24

A detergent product according to claims 21 or 22, in which the detergent active compound forms from 5 to 40% by weight of the product.

Claim 25

A detergent product according to any of claims 21 to 23, in which the peroxy bleach compound and the activator thereof of the bleaching composition together form from 1 to 30% by weight of the product.

Claim 26

A detergent product according to any of claims 21 to 24, in which the bleach-stable deodorant perfume of the bleaching composition forms from 0.01 to 5% by weight of the product.

Claim 27

A built detergent powder product according to any of claims 21 to 25.