Well cementing material
US7892348B2 · kind B2 · utility
1Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2009 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Sep 9, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/01
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a formulation of a high-performance foamed cement material, comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.