US5733341A — Inhibition of dye migration in a wash liquor

Claim 1

Independent Claim 164 words

A process for inhibiting the re-absorption of migrating dyes in a wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150 mg, per liter of wash liquor, of one or more compounds having the formula (1), (2), (3), (4), (5), (6), (9), (10), (11), (12), (13) or (14): ##STR21## in which R 1 is hydrogen or optionally substituted alkyl, cycloalkyl or aryl; R 2 is hydrogen, optionally substituted alkyl, optionally substituted alkoxy, halogen, cyano, N(optionally substituted alkyl) 2 , N.sup.⊕ (optionally substituted alkyl) 3 or a water-solubilising group; Y is optionally substituted alkylene, cyclohexylene or arylene; Y 1 is C 2 -C 4 alkylene, optionally interrupted by a nitrogen atom, a 1,4-methanocyclohexylene residue, or a phenylene residue optionally substituted by a group SO3M; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; n is 2 or 3; m is 0 or 1; p is 1 or 2; and A is an anion.

Claim 2

Dependent Claim 164 words

A process for inhibiting the re-absorption of migrating dyes in a wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150 mg, per liter of wash liquor, of one or more compounds having the formula (1), (2), (3), (4), (5), (6), (9), (10), (11), (12), (13) or (14): ##STR21## in which R 1 is hydrogen or optionally substituted alkyl, cycloalkyl or aryl; R 2 is hydrogen, optionally substituted alkyl, optionally substituted alkoxy, halogen, cyano, N(optionally substituted alkyl) 2 , N.sup.⊕ (optionally substituted alkyl) 3 or a water-solubilising group; Y is optionally substituted alkylene, cyclohexylene or arylene; Y 1 is C 2 -C 4 alkylene, optionally interrupted by a nitrogen atom, a 1,4-methanocyclohexylene residue, or a phenylene residue optionally substituted by a group SO3M; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; n is 2 or 3; m is 0 or 1; p is 1 or 2; and A is an anion.

Claim 3

Dependent Claim 45 words

A process according to claim 1 in which from 1.5 to 75 mg, per liter of wash liquor of one or more compounds having the formula (1), (2), (3), (4), (5), (6), (9), (10), (11), (12), (13) or (14) is introduced into the wash liquor.

Claim 4

Dependent Claim 45 words

A process according to claim 2 in which from 7.5 to 40 mg, per liter of wash liquor of one or more compounds having the formula (1), (2), (3), (4), (5), (6), (9), (10), (11), (12), (13) or (14) is introduced into the wash liquor.

Claim 5

Dependent Claim 26 words

A process according to claim 1 in which the water-solubilising group R 2 is SO 3 M in which M is as defined in claim 1.

Claim 6

Dependent Claim 30 words

A process according to claim 1 in which a compound of formula (1) or (2) is used in which R 1 is hydrogen, m is 0 and A is acetate.

Claim 7

Dependent Claim 33 words

A process according to claim 1 in which a compound of formula (3) is used in which R 1 is hydrogen, m is 0, n is 2 or 3 and A is acetate.

Claim 8

Dependent Claim 31 words

A process according to claim 1 in which a compound of formula (4) is used in which R 1 is hydrogen, m is 0, n is 2 and A is chloride.

Claim 9

Dependent Claim 24 words

A process according to claim 1 in which a compound of formula (5) is used in which n is 2 and A is chloride.

Claim 10

Dependent Claim 27 words

A process according to claim 1 in which a compound of formula (6) is used in which m is 0, n is 2 and A is acetate.

Claim 11

Dependent Claim 24 words

A process according to claim 1 in which a compound of formula (9) is used in which n is 2 and A is perchlorate.

Claim 12

Dependent Claim 28 words

A process according to claim 1 in which a compound of formula (11) is used in which R 1 is hydrogen, m is 0 and A is OH.

Claim 13

Dependent Claim 26 words

A process according to claim 1 in which a compound of formula (12) or (13) is used in which m is 0 and A is OH.

Claim 14

Dependent Claim 61 words

A detergent composition comprising: i) 5-90% of A) an anionic surfactant and/or B) a nonionic surfactant; ii) 5-70% of C) a builder; iii) 0. 1-30% of D) a peroxide; and iv) 0.005-2% or E) a compound of formula (1) to (6) and (9) to (14) as defined in claim 1, each by weight, based on the total weight of the detergent.

Claim 15

Dependent Claim 63 words

A composition according to claim 13 comprising: i) 5-70% of A) an anionic surfactant and/or B) a nonionic surfactant; ii) 5-50% of C) a builder;, iii) 1-12% of D) a peroxide; and iv) 0.02-1% of E) a compound of formula (1) to (6) and (9) to (14) as defined in claim 1, each by weight, based on the total weight of the detergent.

Claim 16

Dependent Claim 63 words

A composition according to claim 14 comprising: i) 5-70% of A) an anionic surfactant and/or B) a nonionic surfactant; ii) 5-40% of C) a builder; iii) 1-12% of D) a peroxide; and iv) 0.1-0.5% or E) a compound of formula (1) to (6) and (9) to (14) as defined in claim 1, each by weight, based on the total weight of the detergent.

Claim 17

Dependent Claim 25 words

A composition according to claim 13 comprising a combination of two or more of the compounds of formula (1) to (6) and (9) to (14).

Claim 18

Dependent Claim 27 words

A composition according to claim 13 comprising 0.5-5% by weight of a polymer useful in preventing the transfer of labile dyes between fabrics during a washing cycle.

Claim 19

Dependent Claim 11 words

A composition according to claim 17 comprising 0.2-1.7% of the polymer.

Claim 20

Dependent Claim 20 words

A composition according to claim 17 in which the polymer is a polyvinylpyrrolidone optionally containing an anionic or cationic substituent.

Claim 21

Dependent Claim 16 words

A composition according to claim 13 in which the detergent is in powder or granulate form.

Claim 22

Dependent Claim 18 words

A composition according to claim 13 in which the detergent is in liquid form and contains 0-5% water.

Claim 23

Dependent Claim 18 words

A composition according to claim 21 in which the detergent is in liquid form and contains 0-1% water.

Claim 24

Dependent Claim 25 words

A process for the production of a detergent as claimed in claim 20 in which the components of the detergent are mixed in dry form.

Claim 25

Dependent Claim 57 words

A process for the production of a detergent as claimed in claim 20 in which a base powder is produced by spray drying an aqueous slurry which contains all the components defined in claim 15, apart from the components D) and E); and then adding the components D) and E) by dry-blending them into the base powder.

Claim 26

Dependent Claim 42 words

A process for the production of a detergent as claimed in claim 20 in which the component E) is added to the slurry containing components A), B) and C), which slurry is then spray-dried before component D) is dry-blended into the mixture.

Claim 27

Dependent Claim 58 words

A process for the production, of a detergent as claimed in claim 20 in which component B) is not present, or is only partly present in a slurry containing components A) and C); the component E) is incorporated into component B), which is then added to the spray-dried base powder;and finally component D) is dry-blended into the mixture.

Claim 28

Dependent Claim 130 words

A compound having the formula (1), (2), (3), (4), (5), (6), (9), (10), (11), (12), (13) or (14): ##STR22## in which R 1 is hydrogen or optionally substituted alkyl, cycloalkyl or aryl; R 2 is hydrogen, optionally substituted alkyl, optionally substituted alkoxy, halogen, cyano, N(optionally substituted alkyl) 2 , N.sup.⊕ (optionally substituted alkyl) 3 or a water-solubilising group; Y is optionally substituted alkylene, cyclohexylene or arylene; Y 1 is C 2 -C 4 alkylene, optionally interrupted by a nitrogen atom, a 1,4-methanocyclohexylene residue or a phenylene residue optionally substituted by a group SO 3 M; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; n is 2 or 3; m is 0 or 1; p is 1 or 2; and A is an anion.

Claim 29

Dependent Claim 130 words

A compound having the formula (1), (2), (3), (4), (5), (6), (9), (10), (11), (12), (13) or (14): ##STR22## in which R 1 is hydrogen or optionally substituted alkyl, cycloalkyl or aryl; R 2 is hydrogen, optionally substituted alkyl, optionally substituted alkoxy, halogen, cyano, N(optionally substituted alkyl) 2 , N.sup.⊕ (optionally substituted alkyl) 3 or a water-solubilising group; Y is optionally substituted alkylene, cyclohexylene or arylene; Y 1 is C 2 -C 4 alkylene, optionally interrupted by a nitrogen atom, a 1,4-methanocyclohexylene residue or a phenylene residue optionally substituted by a group SO 3 M; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; n is 2 or 3; m is 0 or 1; p is 1 or 2; and A is an anion.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2001-03-30	2001-09-29	2002-03-31	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2005-03-30	2005-09-29	2006-03-31	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2009-03-30	2009-09-29	2010-03-31	$7700.00	Window Closed / Lapsed

Inhibition of dye migration in a wash liquor

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