Spot cleaner for carpets
US5837665A · kind A · utility
3Cited by
16References
4Claims
0Family size
Inventor
Key dates
| Filing date | Jun 9, 1997 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Jun 9, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/2068
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An effective carpet spot cleaner is provided which is comprised of sodium polyphosphate and/or sodium tripolyphosphate; sodium dodecylbenzenesulfonate and Butyl Cellosolve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.