Substrate with improved hydrophilic or hydrophobic properties, comprising irregularities
US6299981A · kind A · utility
45Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1999 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Feb 26, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Substrate, at least part of at least one of the faces of which has a geometry which is optionally obtained by means of a coating and which differs from that of an ideal uniform, perfectly plane or even slightly curved, sheet, in that it has a bumps-and-hollows relief which can be defined by submicron sizes which, almost in their entirety, fall into at least two different classes, the respective representative values of which vary by a factor of at least 5 or of at most 1/5; applications of this substrate to anti-stain and anti-mist or anti-rain glazing; processes for preparing the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.