Method of making a product
US6387319B1 · kind B1 · utility
1Cited by
8References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 5, 2001 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Jan 5, 2021 |
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, setting 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 1145° 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.