Patent · US Expired

Alumina crystal growth additive

US5106599A · kind A · utility

19Cited by
17References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 6, 1990
Grant dateApr 21, 1992
Priority date
Expiry dateFeb 6, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01F7/145
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of modifying crystal structure of alumina trihydrate crystallizing from saturated Bayer liquors, which method includes the treatment of the saturated Bayer liquors with a crystal modifying amount of a polysaccharide, preferably a dextran.

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