Method of cleaning carpets
US5928384A · kind A · utility
20Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Aug 7, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3947
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the use of compositions comprising an organic chelator together with a soil suspending polycarboxylate or polyamine polymer for the cleaning of carpet. The compositions may be in liquid or granular form and they may also contain surfactants and oxygen bleaches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.