Method of making a product
US6709627B2 · kind B2 · utility
0Cited by
9References
40Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2002 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Mar 8, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/60
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of making a product which is generally impervious to water including the steps of making a generally homogenous mixture of slate particles and clay, wetting the mixture as necessary to produce a formable composition, forming the wet mixture to a desired configuration, at least partially drying the formed mixture and subjecting the dried formed mixture to a temperature of at least 1100° C. for a time sufficient for at least some of the clay to convert into a binder to bind together the slate particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.