Process of removing stains
US7255112B2 · kind B2 · utility
3Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2003 |
| Grant date | Aug 14, 2007 |
| Priority date | — |
| Expiry date | Nov 18, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for removing colored stains from hydrophobic surfaces characterized in that the process involves the use of a formulation which comprises a salt of sulphophenyl alkyl carbonate is described. Also a process of removing color stains from a plastics material, characterized in that the stained plastics material is treated in a dishwashing machine with a formulation comprising a salt of sulphophenyl alkyl carbonate is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.