Liquid hand dishwashing detergent composition

US12415970B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12415970-B2
Application numberUS-202218077559-A
CountryUS
Kind codeB2
Filing dateDec 8, 2022
Priority dateDec 8, 2021
Publication dateSep 16, 2025
Grant dateSep 16, 2025

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A hand dishwashing detergent composition includes from 5.0% to 50% of a surfactant system by weight of the liquid hand dishwashing detergent composition. The surfactant system includes an anionic surfactant. The anionic surfactant includes an alkyl sulfate anionic surfactant and glyceryl acetal sulfate surfactant. The glyceryl acetal sulfate surfactant is selected from glyceryl acetal sulfate having the formula I or formula II or salts thereof, and mixtures thereof.

First claim

Opening claim text (preview).

What is claimed is: 1. A liquid hand dishwashing detergent composition comprising: from about 5.0% to about 50% of a surfactant system by weight of the liquid hand dishwashing detergent composition, wherein: the surfactant system comprises an anionic surfactant; the anionic surfactant comprises an alkyl sulfate anionic surfactant and glyceryl acetal sulfate surfactant; and the glyceryl acetal sulfate surfactant is selected from glyceryl acetal sulfate having the formula I or formula II or salts thereof, and mixtures thereof: wherein R1 is an alkyl chain comprising from 7 to 18 carbon atoms; and wherein R2 is an alkyl chain comprising from 7 to 18 carbon atoms. 2. The composition according to claim 1 , wherein the composition comprises from about 6.0% to about 40% by weight of the total composition of the surfactant system. 3. The composition according to claim 1 , wherein the surfactant system comprises at least about 40% by weight of the surfactant system of the anionic surfactant. 4. The composition according to claim 3 , wherein the surfactant system comprises from about 60% to about 90% by weight of the surfactant system of the anionic surfactant. 5. The composition according to claim 1 , wherein the alkyl glyceryl acetal sulfate surfactant is selected from the group consisting of: 2-dodecyl-1,3-dioxan-5-yl hydrogen sulfate; (2-dodecyl-1,3-dioxolan-4-yl)methyl hydrogen sulfate; 2-(dodecan-2-yl)-1,3-dioxan-5-yl hydrogen sulfate; (2-(dodecan-2-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; (2-decyl-1,3-dioxolan-4-yl)methyl hydrogen sulfate; (2-(heptan-3-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; (2-(nonan-4-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; (2-dodecan-3-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; (2-(dodecan-4-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; (2-(dodecan-5-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; (2-(dodecan-6-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; 2-decyl-1,3-dioxan-5-yl hydrogen sulfate; 2-(heptan-3-yl)-1,3-dioxan-5-yl hydrogen sulfate; 2-(nonan-4-yl)-1,3-dioxan-5-yl hydrogen sulfate; 2-(dodecan-3-yl)-1,3-dioxan-5-yl hydrogen sulfate; 2-(dodecan-4-yl)-1,3-dioxan-5-yl hydrogen sulfate; 2-(dodecan-5-yl)-1,3-dioxan-5-yl hydrogen sulfate; 2-(dodecan-6-yl)-1,3-dioxan-5-yl hydrogen sulfate; (2-nonyl-1,3-dioxolan-4-yl)methanesulfonic acid; 1,3-Dioxane-5-methanol, 2-undecyl-, 5-(hydrogen sulfate), cis; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate), trans; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate), cis; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate); 1,3-Dioxan-5-ol, 2-nonyl-, 5-(hydrogen sulfate), trans; 1,3-Dioxan-5-ol, 2-heptyl-, 5-(hydrogen sulfate), cis; 1,3-Dioxan-5-ol, 2-heptyl-, 5-(hydrogen sulfate), trans; 1,3-Dioxan-5-ol, 2-nonyl-, 5-(hydrogen sulfate), cis; 1,3-Dioxan-5-ol, 2-nonyl-, 5-(hydrogen sulfate); 1,3-Dioxolan-4-ol, 2-dodecyl-, 4-(hydrogen sulfate), and mixtures thereof. 6. The composition according to claim 5 , wherein the alkyl glyceryl acetal sulfate surfactant is selected from the group consisting of: 2-dodecyl-1,3-dioxan-5-yl hydrogen sulfate; (2-dodecyl-1,3-dioxolan-4-yl)methyl hydrogen sulfate; 2-(dodecan-2-yl)-1,3-dioxan-5-yl hydrogen sulfate; (2-(dodecan-2-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; (2-decyl-1,3-dioxolan-4-yl)methyl hydrogen sulfate; 2-decyl-1,3-dioxan-5-yl hydrogen sulfate; 1,3-Dioxolan-4-ol, 2-dodecyl-, 4-(hydrogen sulfate); 1,3-Dioxane-5-methanol, 2-undecyl-, 5-(hydrogen sulfate), cis; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate), trans; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate), cis; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate), and mixtures thereof. 7. The composition according to claim 6 , wherein the alkyl glyceryl acetal sulfate surfactant is selected from the group consisting of: 2-dodecyl-1,3-dioxan-5-yl hydrogen sulfate; (2-dodecyl-1,3-dioxolan-4-yl)methyl hydrogen sulfate; 2-(dodecan-2-yl)-1,3-dioxan-5-yl hydrogen sulfate; (2-(dodecan-2-yl)-1,3-dioxolan-4-yl)methyl hydrogen sulfate; 1,3-Dioxane-5-methanol, 2-undecyl-, 5-(hydrogen sulfate), cis; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate), trans; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate), cis; 1,3-Dioxan-5-ol, 2-undecyl-, 5-(hydrogen sulfate), and mixtures thereof. 8. The composition according to claim 1 , wherein the alkyl sulfate anionic surfactant has a degree of alkoxylation of less than about 0.25. 9. The composition according to claim 8 , wherein the alkyl sulfate anionic surfactant is free of alkoxylation. 10. The composition according to claim 1 , wherein the anionic surfactant comprises at least about 70% by weight of the anionic surfactant of alkyl sulfate anionic surfactant and alkyl glyceryl acetal sulfate surfactant. 11. The composition according to claim 1 , wherein the alkyl sulfate anionic surfactant has a number average alkyl chain length of from about 8 to about 18 carbon atoms. 12. The composition according to claim 1 , wherein the alkyl sulfate anionic surfactant has an average degree of branching of less than about 15%. 13. The composition according to claim 11 , wherein the alkyl sulfate anionic surfactant is linear. 14. The composition according to claim 1 , wherein the anionic surfactant comprises at least about 25% by weight of the anionic surfactant of alkyl sulfated anionic surfactant. 15. The composition according to claim 1 , wherein the alkyl sulfate anionic surfactant and the alkyl glyceryl acetal sulfate surfactant are present at a weight ratio of from about 10:1 to about 1:2. 16. The composition according to claim 1 , wherein the surfactant system further comprises a nonionic surfactant selected from the group consisting of alkoxylated alcohol nonionic surfactants, alkyl polyglucoside nonionic surfactants, polyhydroxy fatty acid amide nonionic surfactants, and mixtures thereof. 17. The composition according to claim 1 , wherein the surfactant system further comprises a co-surfactant selected from the group consisting of amphoteric co-surfactant, zwitterionic co-surfactant, and mixtures thereof. 18. The composition according to claim 17 , wherein the anionic surfactant and the co-surfactant are present in a weight ratio of from about 1:1 to about 8:1. 19. The composition according to claim 17 , wherein the co-surfactant comprises an amine oxide surfactant selected from the group consisting of alkyl dimethyl amine oxide, alkyl amido propyl dimethyl amine oxide, alkyl diethanol amine oxide, and mixtures thereof. 20. The composition according to claim 17 , wherein the co-surfactant comprises a betaine surfactant selected from the group consisting of alkyl betaines, alkylamidoalkylbetaines, a amidazoliniumbetaines, sulfobetaines, phosphobetaines, cocoamidopropylbetaines, laurylamidopropylbetaines, and mixtures thereof.

Assignees

Inventors

Classifications

  • Liquid soap, {e.g. for dispensers}; capsuled · CPC title

  • Sulfates of polyoxyalkylene ethers · CPC title

  • Sulfuric acid esters · CPC title

  • derived from heterocyclic compounds · CPC title

  • C11D1/94Primary

    Mixtures with anionic, cationic or non-ionic compounds · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US12415970B2 cover?
A hand dishwashing detergent composition includes from 5.0% to 50% of a surfactant system by weight of the liquid hand dishwashing detergent composition. The surfactant system includes an anionic surfactant. The anionic surfactant includes an alkyl sulfate anionic surfactant and glyceryl acetal sulfate surfactant. The glyceryl acetal sulfate surfactant is selected from glyceryl acetal sulfate h…
Who is the assignee on this patent?
Procter & Gamble
What technology area does this patent fall under?
Primary CPC classification C11D1/94. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Sep 16 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).