Cleaning method, apparatus and use
US10781404B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2015 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Dec 4, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F39/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for cleaning a substrate which is or comprises a textile, the method comprising agitating the substrate in the presence of a cleaning composition comprising: i. cleaning particles comprising a thermoplastic polyamide and a particulate inorganic filler having a density of at least 2.5 g/cm3, said cleaning particles having an average particle size of from 1 to 100 mm, wherein the cleaning particles have an average density of at least 1.65 g/cm3 and/or the particulate inorganic filler has a D50 particle size of at least 10 microns and/or a D90 particle size of at least 40 microns; and ii. a liquid medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.