Process for cleaning carpets comprising polyvinyl pyridine-N-oxide
US6407048B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2000 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Oct 6, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process of cleaning a carpet with a liquid composition comprising an anti-resoiling agent, said process comprising the steps of applying said composition to the surface of the carpet and leaving said composition to dry onto the carpet. The carpet cleaning composition according to the present invention provides carpet cleaning and/or carpet anti-resoiling henefits. The preferred anti-resoiling agent is poly(4-vinylpyridine-N-oxide).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.