Patent · US Expired

Method for treating aqueous mediums containing magnesium sulfite trihydrate

US4093580A · kind A · utility

4Cited by
9References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 5, 1976
Grant dateJun 6, 1978
Priority date
Expiry dateAug 5, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S526/911
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method is disclosed for treating an aqueous medium containing magnesium sulfite tri-hydrate under precipitating conditions comprising adding in combination to the aqueous medium an effective amount for the purpose of an oligomer and a copolymer of a 1-olefin and an unsaturated anhydride.

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