Patent · US Expired

Gypsum composition

US5725656A · kind A · utility

31Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 1996
Grant dateMar 10, 1998
Priority date
Expiry dateMay 29, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2111/545
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

This invention relates generally to a gypsum composition having improved setting and strength characteristics. More specifically, this invention relates to a gypsum composition comprising an acrylic latex and an aliphatic alcohol wherein the composition has a retarded setting rate. This gypsum composition may further comprise a melamine-formaldehyde polymer and/or a styrene butadiene latex. This invention further relates to an artificial marble gypsum composition.

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