Detergent compositions containing selected mid-chain branched surfactants

• US 6,326,348 B1
• Filed: 06/27/2000
• Issued: 12/04/2001
• 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 N.
• Assistant Examiner(s): Webb, Gregory E.
• Application Number:
  US09/604,233
• Time in Patent Office: 525 Days
• Field of Search: 510/503, 510/235, 510/427, 510/492, 510/506, 510/125, 510/357, 510/424, 510/428, 510/426, 510/311, 510/302, 510/119, 510/122, 510/505, 568/458, 568/882, 560/76
• 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 non-aqueous liquid detergent composition comprising:

a) from about 35% to about 99% by weight of composition of a liquid phase, said liquid phase comprises;

i) from about 30% to about 65% by weight of the liquid phase of an alkyl benzene sulfonate surfactant;

ii) from about 35% to about 70% by weight of the liquid phase of a nonaqueous liquid diluent, said nonaqueous liquid diluent comprises;

A) from about 1% to about 60% by weight of the liquid phase of a fatty alcohol alkoxylate;

B) from about 1% to about 70% by weight of the liquid phase of a non-aqueous, low-polarity organic solvent;

wherein the weight ratio of said alcohol alkoxylate to organic solvent is from about 50;

1 to about 1;

50; and

iii) from about 0.1% to about 50% by weight of composition of a mid-chain branched surfactant selected from the group consisting of surfactants having the formula;

2. A non-aqueous liquid 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 non-aqueous liquid detergent composition according to claim 1 further comprising a bleach activator.

4. A non-aqueous liquid detergent composition according to claim 1 further comprising a bleach catalyst.

5. A non-aqueous liquid detergent composition according to claim 4 wherein the bleaching agent comprises a bleach activator and a persalt selected from the group consisting of perborate, percarbonate, and mixtures thereof.

6. A non-aqueous liquid detergent composition according to claim 1 wherein said mid-chain branched surfactant has B as sulfate and the branching as methyl, and

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 1 wherein said mid-chain branched surfactant has B as alkoxy and the branching as methyl, and

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.

8. A bleaching detergent composition according to claim 1 wherein said mid-chain branched surfactant has B as alkoxysulfate and the branching as methyl and

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 non-aqueous liquid detergent composition according to claim 1 wherein said solid phase further comprises from about 1% to about 80% by weight of composition of a builder.

10. A non-aqueous liquid detergent composition according to claim 9 wherein said builder is selected from the group consisting of zeolites, phosphates, carbonates, polycarboxylates aluminosilicates and mixtures thereof.

11. A non-aqueous liquid detergent composition according to claim 1 wherein said solid phase further comprises from about 0.0001% to about 2% by weight of composition of active detersive enzyme.

12. A non-aqueous liquid detergent composition according to claim 11 wherein the active detersive enzyme is selected from the group consisting of proteases, cellulases, lipases, amylases, peroxidases, and combinations thereof.

13. A non-aqueous liquid detergent composition according to claim 1 wherein further comprising from about 0.1% to about 99.8% by weight of detergent composition adjunct ingredients.

14. A non-aqueous liquid detergent composition according to claim 1 wherein said adjunct ingredients are in the liquid phase, the solid phase or mixtures thereof.

15. A non-aqueous liquid detergent composition according to claim 1 wherein A^b has from about 12 to about 18 total carbons in the moiety.

16. A non-aqueous liquid detergent composition according to claim 1 wherein the surfactant composition has an average total number of carbon atoms in the A^b—

CH₂ moiety in the above formula within the range of greater than about 15 to about 17.