Cleaning composition
US6696399B1 · kind B1 · utility
39Cited by
5References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2002 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Oct 15, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3418
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a low pH microemulsion cleaning composition, with methods for making and using the composition. The composition includes a salt of citric acid; at least one anionic surfactant such as a complex alkyl phosphate ester; at least one nonionic surfactant; a hydrotrope; a glycol ether; 5% to 25% by weight of glycolic acid, citric acid or lactic acid; 2% to 20% by weight of d-limonene, dl-limonene, pine oil, lemon oil, orange oil, grapefruit oil, lime oil, or bergamot oil; and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.