Powdery carpet cleaning preparation containing zeolite granulate
US4648882A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1985 |
| Grant date | Mar 10, 1987 |
| Priority date | — |
| Expiry date | Dec 10, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/128
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A carpet cleaning preparation in the form of a dry cleaning preparation in powder form which contains surfactants, organic solvents and zeolite and which is characterized in that the zeolite is in the form of a porous granulate which is unaffected by the mechanical stresses normally encountered during dry cleaning. The zeolite is preferably in the form of a porous granulate containing less than 2% by weight of particles 0.05 mm and smaller in size and less than 5% by weight of particles larger than 2 mm in size.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.