Thermal shock resistant asbestos-cement compositions and their preparation
US3933515A · kind A · utility
15Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 6, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Sep 6, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A thermal shock resisting asbestos-cement composition is prepared by adding a finely divided porosity increasing additive as a partial or complete replacement for silica flour in an asbestos-cement composition containing asbestos fibers, portland cement, and silica flour. The composition is shaped and cured to form the final thermal shock resistant product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.