Patent · US Active

Potassium magnesium fertilizer

US7780941B1 · kind B1 · utility

4Cited by
3References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 2009
Grant dateAug 24, 2010
Priority date
Expiry dateJul 6, 2029

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC05D1/02
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process for producing potassium magnesium sulfate, comprising reacting sulfuric acid with potassium chloride and magnesium chloride at a temperature in a range comprised between about 100 and about 160° C., thereby producing potassium magnesium sulfate and hydrochloric acid, the sulfuric acid being reacted with potassium chloride and magnesium chloride simultaneously or sequentially.

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