Patent · US Active

Method for producing fertilizers containing dispersed micronized sulphur

US9522851B2 · kind B2 · utility

2Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 2011
Grant dateDec 20, 2016
Priority date
Expiry dateAug 26, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC05G5/40
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method of producing a fertilizer composition containing micronized sulphur wherein elemental sulphur is dissolved in anhydrous or hydrous ammonia to form an ammonia/sulphur solution and the ammonia/sulphur solution is reacted with an acidic component having at least one plant growth constituent to simultaneously form a sulphur composition comprising a sulphur compound and micronized sulphur. The thus formed fertilizer composition is dried and can be formed into various shapes such as pellets, prills, etc.

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