Process for coating a solid surface with a liquid composition
US6428852B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2000 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Dec 29, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D1/005
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for coating a solid surface (42) with a conditioned liquid composition of substantially uniform thickness is provided. A liquid composition is conditioned by a) degassing either via vacuum or by sparging with a high kinematic viscosity gas; and b) substantially maintaining the viscosity of the liquid composition. The conditioned liquid may then be dispensed onto a solid surface (42) positioned in a sub-atmospheric environment (37) or in a helium-rich environment (37). The solid surface (42) is rotated so that the liquid composition forms a uniformly thick coating free from bubbles on the solid surface (42) and thereby produces a thin film of uniform thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.