Package of cement mixing material
US5224595A · kind A · utility
71Cited by
5References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 6, 1991 |
| Grant date | Jul 6, 1993 |
| Priority date | — |
| Expiry date | Nov 6, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Using a packaging material containing a fibrous substance such as pulp and a carboxyl-containing polymer a substance such as an acid type carboxymethyl cellulose, a cement mixing material such as a superplasticizer is packaged and the package is thrown into a cement formulation such as concrete, mortar or a cement paste in a truck agitator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.