Detergent compositions containing selected mid-chain branched surfactants

• US 6,133,222 A
• Filed: 11/04/1999
• Issued: 10/17/2000
• Est. Priority Date: 04/16/1996
• Status: Expired due to Term

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Vinson, Phillip Kyle, Foley, Peter Robert, Connor, Daniel Stedman, Cripe, Thomas Anthony, Willman, Kenneth William
• Primary Examiner(s): Gupta, Yogendra
• Assistant Examiner(s): WEBB, GREGORY E
• Application Number:
  US09/433,853
• Time in Patent Office: 348 Days
• Field of Search: 510/119, 510/122, 510/125, 510/426, 510/428, 510/506, 510/226, 510/321, 510/325, 510/304, 510/427
• US Class Current: 510/428
• CPC Class Codes: A61K 8/463 containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
• CPC Class Codes: A61Q 11/00 Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
• CPC Class Codes: A61Q 19/10 Washing or bathing preparations
• CPC Class Codes: A61Q 5/02 Preparations for cleaning the hair
• CPC Class Codes: C07C 1/0485 Set-up of reactors or accessories; Multi-step processes
• CPC Class Codes: C07C 11/02 Alkenes
• CPC Class Codes: C07C 2523/46 Ruthenium, rhodium, osmium or iridium
• CPC Class Codes: C07C 2523/745 Iron
• CPC Class Codes: C07C 2523/75 Cobalt
• CPC Class Codes: C07C 29/16 by oxo-reaction combined with reduction
• CPC Class Codes: C07C 303/24 of esters of sulfuric acids
• CPC Class Codes: C07C 305/06 Hydrogenosulfates
• CPC Class Codes: C07C 305/10 being further substituted by singly-bound oxygen atoms
• CPC Class Codes: C07C 31/125 containing five to twenty-two carbon atoms
• CPC Class Codes: C11D 1/02 Anionic compounds C11D1/002, C11D1/004, C11D1/008 take precedence
• CPC Class Codes: C11D 1/04 Carboxylic acids or salts thereof soap C11D9/00
• CPC Class Codes: C11D 1/12 Sulfonic acids or sulfuric acid esters; Salts thereof
• CPC Class Codes: C11D 1/123 derived from carboxylic acids, e.g. sulfosuccinates
• CPC Class Codes: C11D 1/126 Acylisethionates
• CPC Class Codes: C11D 1/146 Sulfuric acid esters
• CPC Class Codes: C11D 1/29 : Sulfates of polyoxyalkylene ethers
• CPC Class Codes: C11D 1/34 : Derivatives of acids of phosphorus
• CPC Class Codes: C11D 1/38 : Cationic compounds C11D1/002, C11D1/004, C11D1/008 take precedence
• CPC Class Codes: C11D 1/521 : Carboxylic amides (R1-CO-NR2R3), where R1, R2 and R3 are alkyl or alkenyl groups
• CPC Class Codes: C11D 1/62 : Quaternary ammonium compounds
• CPC Class Codes: C11D 1/65 : Mixtures of anionic with cationic compounds
• CPC Class Codes: C11D 1/72 : Ethers of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/722 : Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups C11D1/721 takes precedence
• CPC Class Codes: C11D 1/75 : Amino oxides
• CPC Class Codes: C11D 1/83 : Mixtures of non-ionic with anionic compounds
• CPC Class Codes: C11D 1/835 : Mixtures of non-ionic with cationic compounds
• CPC Class Codes: C11D 17/0004 : Non aqueous liquid compositions comprising insoluble particles
• CPC Class Codes: C11D 17/06 : Powder; Flakes; Free-flowing mixtures; Sheets
• CPC Class Codes: C11D 3/08 : Silicates
• CPC Class Codes: C11D 3/128 : Aluminium silicates, e.g. zeolites C11D3/1253 takes precedence
• CPC Class Codes: C11D 3/18 : Hydrocarbons C11D3/164 takes precedence
• CPC Class Codes: C11D 3/3905 : Bleach activators or bleach catalysts
• CPC Class Codes: C11D 3/3942 : Inorganic per-compounds C11D3/3902 takes precedence
• CPC Class Codes: C11D 3/43 : Solvents

Abstract

Detergent composition comprising a mid-chain branched surfactant and also containing a bleaching agent, aluminosilicate, silicate, and/or detersive enzyme.

Claims

1. A bleaching detergent composition comprising:

a) from about 0.1% to about 50% by weight of a bleaching agent;

b) from about 0.1% to about 50% by weight of at least one mid-chain branched surfactant selected from the group consisting of surfactants having the formula;

##STR46## wherein;

(i) one or more C₁ -C₃ alkyl moieties branch from the longest linear carbon chain at the positions encompassed by the indicated branching range, with the proviso that said surfactants are substantially free of geminal branching; and

and wherein further for this surfactant mixture the average total number of carbon atoms in the branched primary alkyl moieties having the above formula is within the range of greater than 14.5 to about 17.5;

(ii) B is a hydrophilic moiety selected from sulfates, polyoxyalkylene, and alkoxylated sulfates;

c) from about 0.1% to about 99.8% by weight of detergent composition adjunct ingredients; and

wherein the composition has an in-use pH in the range of 9-11.

2. A bleaching detergent composition according to claim 1 wherein said bleaching agent is selected from the group consisting of percarbonate, perborate, sodium pyrophosphate peroxyhydrate, urea peroxyhydrate, sodium peroxide, persulfate, percarboxylic acid bleaching agents and salts thereof, and mixtures thereof.

3. A bleaching detergent composition according to claim 2 further comprising a bleach activator.

4. A bleaching detergent composition according to claim 2 further comprising a bleach catalyst.

5. A bleaching detergent composition according to claim 1 wherein the bleaching agent comprises a bleach activator and a persalt selected from the group consisting of perborate, percarbonate, and mixtures thereof.

6. A bleaching detergent composition according to claim 5 wherein said mid-chain branched surfactant has B as sulfate and the branching as methyl, and ##STR47## wherein the total number of carbon atoms in the branched primary alkyl moiety, including the [R, R¹, and R² ] branching, is from 14 to 20.

7. A bleaching detergent composition according to claim 5 wherein said mid-chain branched surfactant has B as alkoxy and the branching as methyl, and ##STR48## wherein the total number of carbon atoms in the branched primary alkyl moiety, including the [R, R¹, and R³ ] branching, but not including the carbon atoms in the EO/PO alkoxy moiety, is from 14 to 20.

8. A bleaching detergent composition according to claim 5 wherein said mid-chain branched surfactant has B as alkoxysulfate and the branching as methyl and ##STR49## wherein the total number of carbon atoms in the branched primary alkyl moiety, including the [R, R¹, and R² ] branching, but not including the carbon atoms in the EO/PO alkoxy moiety, is from 14 to 20.

9. A granular detergent composition comprising:

a) from about 1% to about 80% by weight of a builder selected from the group consisting of aluminosilicates, silicates, and mixtures thereof,

b) from about 0.1% to about 50% by weight of at least one mid-chain branched surfactant selected from the group consisting of surfactants having the formula;

##STR50## wherein;

(i) one or more C₁ -C₃ alkyl moieties branch from the longest linear carbon chain at the positions encompassed by the indicated branching range, with the proviso that said surfactants are substantially free of geminal branching; and

(ii) B is a hydrophilic moiety selected from sulfates, polyoxyalkylene, and alkoxylated sulfates;

and wherein further for this surfactant mixture the average total number of carbon atoms in the branched primary alkyl moieties having the above formula is within the range of greater than 14.5 to about 17.5;

c) from about 0.1% to about 99.8% by weight of detergent composition adjunct ingredients; and

wherein the composition has an in-use pH in the range of 9-11.

10. A detergent composition according to claim 9 wherein said mid-chain branched surfactant has B as sulfate and the branching as methyl, and ##STR51## wherein the total number of carbon atoms in the branched primary alkyl moiety,including the [R, R¹, and R² ] branching, is from 14 to 20.

11. A detergent composition according to claim 9 wherein said mid-chain branched surfactant B as alkoxy and the branching as methyl, and ##STR52## wherein the total number of carbon atoms in the branched primary alkyl moiety, including the [R, R¹, and R³ ] branching, but not including the carbon atoms in the EO/PO alkoxy moiety, is from 14 to 20.

12. A detergent composition according to claim 9 wherein said mid-chain branched surfactant has B as alkoxysulfate and the branching as methyl and ##STR53## wherein the total number of carbon atoms in the branched primary alkyl moiety, including the [R, R¹, and R² ] branching, but not including the carbon atoms in the EO/PO alkoxy moiety, is from 14 to 20.

13. A detergent composition comprising:

a) from about 0.0001% to about 2% by weight of active detersive enzyme;

b) from about 0.1% to about 50% by weight of at least one mid-chain branched surfactant selected from the group consisting of surfactants having the formula;

##STR54## wherein;

(i) one or more C₁ -C₃ alkyl moieties branch from the longest linear carbon chain at the positions encompassed by the indicated branching range, with the proviso that said surfactants are substantially free of geminal branching; and

(ii) B is a hydrophilic moiety selected from sulfates, polyoxyalkylene and alkoxylated sulfates;

and wherein further for this surfactant mixture the average total number of carbon atoms in the branched primary alkyl moieties having the above formula is within the range of greater than 14.5 to about 17.5;

c) from about 0.1% to about 99.8% by weight of detergent composition adjunct ingredients; and

wherein the composition has an in-use pH in the range of 9-11.

14. A detergent composition according to claim 13 wherein the active detersive enzyme is selected from the group consisting of proteases, cellulases, lipases, amylases, peroxidases, and mixtures thereof.