EP0195597A1
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EP
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Bleach activator compounds and bleaching compositions containing them
Assignee: Procter and Gamble Co
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Filing: 1986-03-13
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Granted: —
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Expires: 2006-03-13
Abstract
Abstract This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The compounds of the invention yield a C 4 -C 8 alkoxy substituted aromatic peroxyacid when used in the bleaching compositions. In a preferred embodiment, the bleaching compositions of the invention are detergent compositions.
Inventors
- 👤 Michael Eugene Burns
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 06:33
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/24; C07C409/30; C11; C11D; C11D3/00; C11D3/39; C11D3/3945
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
28 words
A compound which provides in an aqueous solution a compound of the formula wherein R is an alkyl group containing from about 4 to about 8 carbon atoms.
Claim 2
Dependent Claim
28 words
A compound which provides in an aqueous solution a compound of the formula wherein R is an alkyl group containing from about 4 to about 8 carbon atoms.
Claim 3
Dependent Claim
21 words
A compound according to Claim 1 wherein R is an alkyl group containing from about 5 to about 8 carbon atoms.
Claim 4
Dependent Claim
17 words
A compound according to Claim 2 wherein R is an alkyl group containing about 6 carbon atoms.
Claim 5
Dependent Claim
27 words
A compound according to Claim 1 wherein the compound has the formula wherein R is an alkyl group containing from about 4 to about 8 carbon atoms.
Claim 6
Dependent Claim
21 words
A compound according to Claim 4 wherein R is an alkyl group containing from about 5 to about 8 carbon atoms.
Claim 7
Dependent Claim
17 words
A compound according to Claim 5 wherein R is an alkyl group containing about 6 carbon atoms.
Claim 8
Dependent Claim
44 words
A compound according to Claim 1 wherein the compound is a magnesium peroxycarboxylate of the following general formula wherein R is as defined in Claim 1, n is 1 or 2, X is a compatible anion, and Y is from 0 to about 6.
Claim 9
Dependent Claim
21 words
A compound according to Claim 7 wherein R is an alkyl group containing from about 5 to about 8 carbon atoms.
Claim 10
Dependent Claim
17 words
A compound according to Claim 8 wherein R is an alkyl group containing about 6 carbon atoms.
Claim 11
Dependent Claim
38 words
A compound according to Claim 1 wherein the compound is a bleach activator of the general formula wherein R is an alkyl group containing from about 4 to abut 8 carbon atoms, and L is a leaving group.
Claim 12
Dependent Claim
21 words
A compound according to Claim 10 wherein R is an alkyl group containing from about 5 to about 8 carbon atoms.
Claim 13
Dependent Claim
17 words
A compound according to Claim 10 wherein R is an alkyl group containing about 6 carbon atoms.
Claim 14
Dependent Claim
30 words
The compound of Claim 10 wherein L is a leaving group, the conjugate acid of which has a pK a in the range of from about 4 to about 13.
Claim 15
Dependent Claim
30 words
The compound of Claim 13 wherein L is a leaving group, the conjugate acid of which has a pK a in the range of from about 8 to about 11.
Claim 16
Dependent Claim
47 words
The compound of Claim 10 wherein L is selected from the group consisting of: wherein R is R 2 is an alkyl chain containing from about 1 to about 8 carbon atoms, R is H or R 2 , and Y is H or a solubilizing group.
Claim 17
Dependent Claim
86 words
The compound of Claim 15 wherein Y is selected from the group consisting of: -SO - 3 M + , -COO - M + , -SO - 4 M + , (-H + R 3 4 )X - and O ← NR 2 4 - and mixtures thereof wherein R is an alkyl chain containing from about 1 to about 4 carbon atoms, M is a cation which provides solubility to the bleach activator and X is an anion which provides solubility to the bleach activator.
Claim 18
Dependent Claim
41 words
The compound of Claim 16 wherein Y is selected from the group consisting of -SO 3 - M + , -COO - M + and mixtures thereof wherein M is selected from the group consisting of sodium, potassium and mixtures thereof.
Claim 19
Dependent Claim
47 words
The compound of Claim 15 wherein L is selected from the group consisting of: wherein R is an alkyl chain containing from about 1 to about 8 carbon atoms, Y is -SO 3 - M + or -COO - M + wherein M is sodium or potassium.
Claim 20
Dependent Claim
17 words
The compound of Claim 18 wherein L has the general formula: wherein M is sodium or potassium.
Claim 21
Dependent Claim
14 words
A bleaching composition comprising a compound according to any of Claims 1 to 19.
Claim 22
Dependent Claim
32 words
21 A composition according to Claim 20 also comprising: (a) from about 1% to about 30% of a detergent surfactant; and (b) from about 10% to about 60% of a detergency builder.
Claim 23
Dependent Claim
63 words
.A composition according to Claim 20 comprising: (a) a peroxygen bleaching compound capable of yielding hydrogen peroxide in an aqueous solution; and (b) a bleach activator having the general formula: wherein R is an alkyl group containing from about 4 to about 8 carbon atoms wherein the molar ratio of hydrogen peroxide yielded by (a) to bleach activator (b) at least about 1.
Claim 24
Dependent Claim
36 words
The composition of Claim 22 wherein the peroxygen bleaching compound is selected from the group consisting of sodium perborate monohydrate, sodium perborate tetrahydrate, sodium carbonate peroxyhydrate, sodium pyrophosphate peroxyhydrate, urea peroxyhydrate, sodium peroxide and mixtures thereof.
Claim 25
Dependent Claim
113 words
A detergent composition comprising, by weight: (a) from about 1% to about 60% of a peroxygen bleaching compound capable of yielding hydrogen peroxide in an aqueous solution; (b) from about .5% to about 40% of a bleach activator having the general formula: wherein R is an alkyl group containing from about 4 to about 8 carbon atoms and L is a leaving group, the conjugate acid of which has a pK a in the range of from about 4 to about 13; wherein the molar ratio of hydrogen peroxide yielded by (a) to bleach activator (b) is greater than about 1.0; and (c) from about 1% to about 30% of a detergent surfactant.
Claim 26
Dependent Claim
113 words
A detergent composition comprising, by weight: (a) from about 1% to about 60% of a peroxygen bleaching compound capable of yielding hydrogen peroxide in an aqueous solution; (b) from about .5% to about 40% of a bleach activator having the general formula: wherein R is an alkyl group containing from about 4 to about 8 carbon atoms and L is a leaving group, the conjugate acid of which has a pK a in the range of from about 4 to about 13; wherein the molar ratio of hydrogen peroxide yielded by (a) to bleach activator (b) is greater than about 1.0; and (c) from about 1% to about 30% of a detergent surfactant.
References Cited (Backward Citations)
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