Multicomponent concrete superplasticizer
US4460720A · kind A · utility
24Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1982 |
| Grant date | Jul 17, 1984 |
| Priority date | — |
| Expiry date | Feb 17, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L97/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A superplasticizer cement admixture for portland cement based compositions formed from a low molecular weight alkali metal polyacrylate in combination with an alkali metal or alkaline earth metal polynaphthalene sulfonate-formaldehyde or an alkali metal lignosulfonate or an alkaline earth metal lignosulfonate or mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.