Title:
METHOD AND APPARATUS FOR TREATING A SUBSTRATE WITH SOLID PARTICLES
Document Type and Number:
WIPO Patent Application WO/2017/178831
Kind Code:
A3
Abstract:
A method for treating a substrate comprising the steps of: (i) rotating a composition comprising a liquid medium, the substrate and solid particles having a particle size of from 1 to 100 mm; (ii) separating at least some of the solid particles from the substrate; and (iii) rinsing the substrate; wherein: steps ii. and iii. are each performed at least twice and the first time steps ii and iii are conducted the sequence of steps is either i, ii, iii, ii or i, iii, ii, iii;and/or during the separation step ii. the composition is rotated for a first time period at a centripetal G force of <1 G and for a second time period at a centripetal force of >1 G and at least one of the first and second time periods is no longer than 60 seconds.
Inventors:
POTTS JESSICA ANNE (GB)
KENNEDY FRAZER JOHN (GB)
KENNEDY FRAZER JOHN (GB)
Application Number:
PCT/GB2017/051048
Publication Date:
November 30, 2017
Filing Date:
April 13, 2017
Export Citation:
Assignee:
XEROS LTD (GB)
International Classes:
C11D11/00; D06F33/00; D06F35/00
Domestic Patent References:
| WO2014037729A1 | 2014-03-13 | |||
| WO2012035343A1 | 2012-03-22 | |||
| WO2014080192A1 | 2014-05-30 | |||
| WO2011098815A1 | 2011-08-18 | |||
| WO2012095677A2 | 2012-07-19 |
Foreign References:
| EP2719807A1 | 2014-04-16 |
Attorney, Agent or Firm:
COCKERTON, Bruce Roger et al. (GB)
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