Patent EP0170386A2 successfully refreshed from Google Patents.
EP0170386A2
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Bleaching compounds and compositions comprising fatty peroxy acids, salts thereof, and precursors therefor
Assignee: Procter and Gamble Co
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Filing: 1985-06-19
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Granted: —
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Expires: 2005-06-19
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 bleaching compounds of the invention yield a peroxyacid with a polar amide link in the hydrophobic chain when used in the bleaching compositions. In a preferred embodiment, the bleaching compositions of the invention ara also detergent compositions.
Inventors
- 👤 Michael Eugene Burns
- 👤 Frederick Edward Hardy
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 11:55
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/42; C07C409/24; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3905; C11D3/3907; C11D3/3917; C11D3/392; C11D3/3945; F; F16; F16B; F16B15/00; F16B15/0023; F16B15/003; F16B15/0038
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
66 words
A bleaching compound which provides in an aqueous solution a compound of the formula: wherein R 1 is an alkyl, aryl or alkaryl group containing from 1 to 14 carbon atoms, R 2 is an alkylene, arylene or alkarylene group containing from 1 to 14 carbon atoms, and R 5 is H or an alkyl, aryl or alkaryl group containing from 1 to 10 carbon atoms.
Claim 2
Dependent Claim
66 words
A bleaching compound which provides in an aqueous solution a compound of the formula: wherein R 1 is an alkyl, aryl or alkaryl group containing from 1 to 14 carbon atoms, R 2 is an alkylene, arylene or alkarylene group containing from 1 to 14 carbon atoms, and R 5 is H or an alkyl, aryl or alkaryl group containing from 1 to 10 carbon atoms.
Claim 3
Dependent Claim
27 words
A compound according to Claim 1 wherein the compound has the formula: wherein R 1 , R 2 and R 5 are as defined in Claim 1.
Claim 4
Dependent Claim
52 words
A compound according to Claim 1 wherein the compound is a magnesium peroxycarboxylate of the following general formulae: or wherein R 1 , R 2 and R 5 are as defined in Claim 1 wherein X is a compatible anion, n is 1 or 2, and Y is from 0 to 6.
Claim 5
Dependent Claim
65 words
A bleach activator of the general formula: wherein R 1 is an alkyl, aryl or alkaryl group containing from 1 to 14 carbon atoms, R 2 is an alkylene, arylene or alkarylene group containing from 1 to 14 carbon atoms, and R 5 is H or an alkyl, aryl or alkaryl group containing from 1 to 10 carbon atoms, and L is a leaving group.
Claim 6
Dependent Claim
65 words
A bleach activator of the general formula: wherein R 1 is an alkyl, aryl or alkaryl group containing from 1 to 14 carbon atoms, R 2 is an alkylene, arylene or alkarylene group containing from 1 to 14 carbon atoms, and R 5 is H or an alkyl, aryl or alkaryl group containing from 1 to 10 carbon atoms, and L is a leaving group.
Claim 7
Dependent Claim
40 words
A compound according to any of Claims 1 to 4 wherein R 1 is an alkyl group containing from 6 to 12 carbon atoms, R 2 contains from 4 to 8 carbon atoms, and R 5 is H or methyl.
Claim 8
Dependent Claim
34 words
A compound according to Claim 4 wherein L is a leaving group, the conjugate acid of which has a pK a in the range of from 4 to 13, preferably from 6 to 11.
Claim 9
Dependent Claim
49 words
A compound according to Claim 4 wherein L is selected from: wherein R 1 is as defined in Claim 4, R 3 is an alkyl chain containing from 1 to 8 carbon atoms, R 4 is H or R 3 , and Y is H or a solubilizing group.
Claim 10
Dependent Claim
88 words
A compound according to Claim 7 wherein Y is selected from -SO 3 - M + , -COO - M + , -SO 4 - M + , (-N + R 3 4 )X - and 0 - NR4 and mixtures thereof wherein R 3 is an alkyl chain containing from 1 to 4 carbon atoms, M is a cation which provides solubility to the bleach activator, preferably selected from sodium and potassium and mixtures thereof, and X is an anion which provides solubility to the bleach activator.
Claim 11
Dependent Claim
18 words
A compound according to Claim 7 wherein L.has the general formula: wherein M is a sodium or potassium.
Claim 12
Dependent Claim
14 words
A bleaching composition comprising a compound according to any of Claims 1 to 9.
Claim 13
Dependent Claim
26 words
A composition according to Claim 10 also comprising from 1% to 30% of a detergent surfactant and optionally from 10% to 60% of a detergency builder.
Claim 14
Dependent Claim
58 words
A bleaching conp g sition comprising : a. a peroxygen bleaching compound capable of yielding hydrogen peroxide in an aqueous solution; and b. a bleach activator according to any of Claims 4 to 9, wherein the molar ratio of hydrogen peroxide yielded by (a) to bleach activator (b) is greater than 1.0, and preferably is at least 1.5.
Claim 15
Dependent Claim
33 words
A composition according to Claim 12 wherein the peroxygen bleaching compound is selected from sodium perborate monohydrate, sodium perborate tetrahydrate, sodium carbonate peroxyhydrate, sodium pyrophosphate peroxyhydrate, urea peroxyhydrate, sodium peroxide and mixtures thereof.
Claim 16
Dependent Claim
65 words
A bleaching composition according to Claim 12 or 13, comprising by weight: . a. from 1% to 60% of the peroxygen bleaching compound capable of yielding hydrogen peroxide in an aqueous solution; b. from 0.5% to 40% of the bleach activator; c. from 1% to 30% of a detergent surfactant; and d. from 0% to 5% of proteolytic or amylolytic enzymes or a mixture thereof.
Claim 17
Dependent Claim
38 words
A composition according to Claim 14 wherein R1 and R 2 are alkyl groups containing from 6 to 12 carbon atoms and from 4 to 8 carbon atoms respectively, R 5 is H or methyl, and L is
Claim 18
Dependent Claim
16 words
A process of bleaching textiles with a compound according to any of Claims 1 to 9.
References Cited (Backward Citations)
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