US5308530A — Detergent compositions containing polycarboxylate…

Claim 1

Independent Claim 174 words

A detergent composition comprising (a) from 0.5 to 65% by weight of surfactant(s) and (b) from 1 to 80% by weight of builder(s), wherein at least one percent of the builder is an interpolymer comprising repeating units of the structure: ##STR22## wherein m is a mole fraction from 0.70 to 0.95; n is a mole fraction from 0.05 to 0.30; A is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer; B is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer and B is not A; and C is: ##STR23## wherein X is --H, ##STR24## or a combination thereof, R 1 is --H, --CH 3 , or --(CH 2 ) q CH 3 , or a combination thereof, and q is 1-5; R 2 is: ##STR25## or R 3 , or a combination thereof, and R 3 is a C 8-C 18 linear or branched alkyl chain; the interpolymer being prepared by polymerizing the monomers in a solvent system in which the monomers and interpolymer are soluble.

Claim 2

Dependent Claim 174 words

A detergent composition comprising (a) from 0.5 to 65% by weight of surfactant(s) and (b) from 1 to 80% by weight of builder(s), wherein at least one percent of the builder is an interpolymer comprising repeating units of the structure: ##STR22## wherein m is a mole fraction from 0.70 to 0.95; n is a mole fraction from 0.05 to 0.30; A is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer; B is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer and B is not A; and C is: ##STR23## wherein X is --H, ##STR24## or a combination thereof, R 1 is --H, --CH 3 , or --(CH 2 ) q CH 3 , or a combination thereof, and q is 1-5; R 2 is: ##STR25## or R 3 , or a combination thereof, and R 3 is a C 8-C 18 linear or branched alkyl chain; the interpolymer being prepared by polymerizing the monomers in a solvent system in which the monomers and interpolymer are soluble.

Claim 3

Dependent Claim 101 words

The detergent composition of claim 1, wherein the builder is: ##STR26## wherein A is derived from at least one ethylenically unsaturated carboxylic acid monomer; B is derived from at least one ethylenically unsaturated carboxylic acid and B is not A; R 1 is --H,--CH 3 , or ##STR27## or a combination thereof; R 2 is ##STR28## wherein R 4 is a C 8 -C 18 linear or branched alkyl chain; R 3 is --H,--C 3 , or ##STR29## or a combination thereof; m is a molar fraction from 0.70 to 0.95; and n is a molar ratio from 0.05 to 0.30.

Claim 4

Dependent Claim 44 words

The detergent composition of claim 1, wherein the interpolymer is prepared by slowly adding a charge comprising the monomer from which C is derived to the carboxylic acid monomers over a period of time sufficient to permit instantaneous and uniform copolymerization of the monomers.

Claim 5

Dependent Claim 76 words

The detergent composition of claim 3, wherein the polymer is prepared by a process comprising the steps: a) providing an initial charge comprising up to 100%, by weight, of at least one monomer from which A or B is derived; b) adding to the initial charge a charge comprising at least one monomer from which C is derived; and c) polymerizing the monomers in solution in the presence of an initiator and a non-haloalkane, hydrophobic solvent.

Claim 6

Dependent Claim 40 words

The detergent composition of claim 4, wherein the process further comprises the step of adding at least one monomer from which A or B is derived simultaneously with the charge comprising at least one monomer from which C is derived.

Claim 7

Dependent Claim 24 words

The detergent composition of claim 4, wherein the process further comprises the step of removing the solvent and recovering the interpolymer in dry form.

Claim 8

Dependent Claim 21 words

The detergent composition of claim 4, wherein the process further comprises the step of extracting the interpolymer into an aqueous solvent.

Claim 9

Dependent Claim 17 words

The detergent composition of claim 7, wherein the process further comprises the step of spray-drying the interpolymer.

Claim 10

Dependent Claim 17 words

The detergent composition of claim 7, wherein the process further comprises the step of azeotropic solvent removal.

Claim 11

Dependent Claim 20 words

The detergent composition of claim 5, wherein acrylic acid is simultaneously added with the monomer from which C is derived.

Claim 12

Dependent Claim 17 words

The detergent composition of claim 5, wherein the monomer from which C is derived is lauryl methacrylate.

Claim 13

Dependent Claim 26 words

The detergent composition of claim 4, wherein A is derived from acrylic acid, B is derived from maleic anhydride and C is derived from lauryl methacrylate.

Claim 14

Dependent Claim 19 words

The detergent composition of claim 12, wherein the molecular weight of the interpolymer is from abut 3,000 to 15,000.

Claim 15

Dependent Claim 16 words

The detergent composition of claim 1, wherein the composition further comprises at least one additional builder.

Claim 16

Dependent Claim 15 words

The detergent composition of claim 1, wherein the composition further comprises more than one surfactant.

Claim 17

Dependent Claim 31 words

The detergent composition of claim 1, comprising from about 0.05 to 30% by weight of at least one surfactant and from 1 to 65% by weight of at least one builder.

Claim 18

Dependent Claim 14 words

The detergent composition of claim 1, wherein the detergent composition is a liquid detergent.

Claim 19

Dependent Claim 15 words

The detergent composition of claim 1, wherein the detergent composition is in dry powdered form.

Claim 20

Dependent Claim 196 words

A detergent compositions comprising (a) from 0.5 to 65% by weight of surfactant(s), (b) 1 to 80% by weight of builder(s), and (c) an effective amount up to but less than 1% by weight of an anti-redeposition agent, wherein the anti-redeposition agent is an interpolymer that is not one of the builders of (b) and that comprises repeating units of the structure: ##STR30## wherein m is a mole fraction from 0.70 to 0.95; n is a mole fraction from 0.05 to 0.30; A is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer; B is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer and B is not A; and C is: ##STR31## wherein X is --H, ##STR32## or a combination thereof, R 1 is --H, --CH 3 , or --(CH 2 ) q CH 3 , or a combination thereof, and q is 1-5; R 2 is: ##STR33## or R 3 , or a combination thereof, and R 3 is a C 8-C 18 linear or branched alkyl chain; the interpolymer being prepared by polymerizing the monomers in a solvent system in which the monomers and interpolymer are soluble.

Claim 21

Dependent Claim 196 words

A detergent compositions comprising (a) from 0.5 to 65% by weight of surfactant(s), (b) 1 to 80% by weight of builder(s), and (c) an effective amount up to but less than 1% by weight of an anti-redeposition agent, wherein the anti-redeposition agent is an interpolymer that is not one of the builders of (b) and that comprises repeating units of the structure: ##STR30## wherein m is a mole fraction from 0.70 to 0.95; n is a mole fraction from 0.05 to 0.30; A is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer; B is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer and B is not A; and C is: ##STR31## wherein X is --H, ##STR32## or a combination thereof, R 1 is --H, --CH 3 , or --(CH 2 ) q CH 3 , or a combination thereof, and q is 1-5; R 2 is: ##STR33## or R 3 , or a combination thereof, and R 3 is a C 8-C 18 linear or branched alkyl chain; the interpolymer being prepared by polymerizing the monomers in a solvent system in which the monomers and interpolymer are soluble.

Claim 22

Dependent Claim 212 words

A liquid detergent composition, comprising (a) a builder(s) having an intrinsic calcium binding constant of less than 3.5 at an ionic strength of about 400 mmols of monovalent ion, and an intrinsic calcium binding constant of at least 5.0 at an ionic strength of about 20 mmols of monovalent ion, and wherein the builder is an interpolymer comprising repeating units of the structure: ##STR34## wherein m is a mole fraction from 0.70 to 0.95; n is a mole fraction from 0.05 to 0.30; A is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer; B is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer and B is not A; and C is: ##STR35## wherein X is --H, ##STR36## or a combination thereof, R 1 is --H, --CH 3 , or --(CH 2 ) q CH 3 , or a combination thereof, and q is 1-5; R 2 is: ##STR37## or a combination thereof, and R 3 is a C 8-C 18 linear or branched alkyl chain; the interpolymer being prepared by polymerizing the monomers in a solvent system in which the monomers and interpolymer are soluble; and (b) a calcium-sensitive enzyme(s), wherein the calcium-sensitive enzyme(s), is characterized by stability in the presence of the builder(s).

Claim 23

Dependent Claim 212 words

A liquid detergent composition, comprising (a) a builder(s) having an intrinsic calcium binding constant of less than 3.5 at an ionic strength of about 400 mmols of monovalent ion, and an intrinsic calcium binding constant of at least 5.0 at an ionic strength of about 20 mmols of monovalent ion, and wherein the builder is an interpolymer comprising repeating units of the structure: ##STR34## wherein m is a mole fraction from 0.70 to 0.95; n is a mole fraction from 0.05 to 0.30; A is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer; B is derived from at least one ethylenically unsaturated mono or di-carboxylic acid monomer and B is not A; and C is: ##STR35## wherein X is --H, ##STR36## or a combination thereof, R 1 is --H, --CH 3 , or --(CH 2 ) q CH 3 , or a combination thereof, and q is 1-5; R 2 is: ##STR37## or a combination thereof, and R 3 is a C 8-C 18 linear or branched alkyl chain; the interpolymer being prepared by polymerizing the monomers in a solvent system in which the monomers and interpolymer are soluble; and (b) a calcium-sensitive enzyme(s), wherein the calcium-sensitive enzyme(s), is characterized by stability in the presence of the builder(s).

Claim 24

Dependent Claim 19 words

The detergent composition of claim 20, wherein the detergent composition comprises 0.5 to 20%, by weight, of the builder.

Claim 25

Dependent Claim 44 words

The detergent composition of claim 20, wherein the interpolymer is prepared by slowly adding a charge comprising the monomer from which C is derived to the carboxylic acid monomers over a period of time sufficient to permit instantaneous and uniform copolymerization of the monomers.

Claim 26

Dependent Claim 77 words

The detergent composition of claim 21, wherein the interpolymer is prepared by a process comprising the steps of: a) providing an initial charge comprising up to 100%, by weight, of at least one monomer from which A or B is derived; b) adding to the initial charge a charge comprising at least one monomer from which C is derived; and c) polymerizing the monomers in solution in the presence of an initiator and a non-haloalkane, hydrophic solvent.

Claim 27

Dependent Claim 40 words

The detergent composition of claim 21, wherein the process further comprises the step of adding at least one monomer from which A or B is derived simultaneously with the charge comprising at least one monomer from which C is derived.

Claim 28

Dependent Claim 24 words

The detergent composition of claim 23, wherein the process further comprises the step of removing the solvent and recovering the interpolymer in dry form.

Claim 29

Dependent Claim 21 words

The detergent composition of claim 23, wherein the process further comprises the step of extracting the interpolymer into an aqueous solvent.

Claim 30

Dependent Claim 17 words

The detergent composition of claim 26, wherein the process further comprises the step of spray-during the interpolymer.

Claim 31

Dependent Claim 17 words

The detergent composition of claim 26, wherein the process further comprises the step of azeotropic solvent removal.

Claim 32

Dependent Claim 20 words

The detergent composition of claim 24, wherein acrylic acid is simultaneously added with the monomer from which C is derived.

Claim 33

Dependent Claim 17 words

The detergent composition of claim 24, wherein the monomer from which C is derived is lauryl methacrylate.

Claim 34

Dependent Claim 26 words

The detergent composition of claim 23, wherein A is derived from acrylic acid, B is derived from maleic anhydride and C is derived from lauryl methacrylate.

Claim 35

Dependent Claim 16 words

The detergent composition of claim 31, wherein the molecular weight is from about 3,000 to 15,000.

Claim 36

Dependent Claim 23 words

The detergent composition of claim 20, wherein the detergent composition is an isotropic liquid and the builder is soluble in the isotropic liquid.

Claim 37

Dependent Claim 23 words

The detergent composition of claim 20, wherein the detergent composition is a structured liquid and the builder is suspended in the structured liquid.

Claim 38

Dependent Claim 13 words

The detergent composition of claim 20, wherein the calcium-sensitive enzyme is a protease.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1997-05-02	1997-11-01	1998-05-03	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2001-05-02	2001-11-01	2002-05-03	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2005-05-02	2005-11-01	2006-05-03	$7700.00	Window Closed / Lapsed

Detergent compositions containing polycarboxylates and calcium-sensitive enzymes

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