Patent · US Expired

Superplasticizer composition for use with hydraulic cements

US4746367A · kind A · utility

12Cited by
9References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 17, 1986
Grant dateMay 24, 1988
Priority date
Expiry dateDec 17, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2103/30
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An improved superplasticizer comprising the combination of a sulfonated copolymer of styrene and alpha-methylstyrene together with a minor amount of a salt of gluconic acid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.