Method for marking a coated substrate
US9017774B2 · kind B2 · utility
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8Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 21, 2011 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Jun 14, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to methods for marking a coated substrate. In particular, the present invention relates to methods for marking a coated substantially cementitious substrate in the form of a cementitious building product. The method comprises the steps of treating at least a portion of an uncoated cementitious substrate to form indicia; and applying a surface coating on said cementitious substrate to at least partially cover said indicia such that a marking is formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.