Cleaning agents
US8242068B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2011 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Jun 2, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/39
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Phosphate-free automatic dishwashing agents are disclosed that comprise (a) builder; (b) bleaching agent; (c) hydrophobically modified copolymer comprising at least one of mono- and polyunsaturated sulfonic acid monomers; (d) non-hydrophobically modified copolymer comprising at least one of mono- and polyunsaturated sulfonic acids; and (e) nonionic surfactant. The agents in accordance with the present invention are distinguished by excellent film deposition inhibition along with good washing and rinsing performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.