Limestone filled Portland cements
US5908502A · kind A · utility
8Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1997 |
| Grant date | Jun 1, 1999 |
| Priority date | — |
| Expiry date | Feb 28, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B28/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Limestone filled Portland cement wherein the fineness of limestone particles ranges from 5,000 to 12,000 Blaine and the fineness of clinker particles ranges from 1,500 to 3,000 Blaine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.