Patent · US Expired

Conditioning device for hydrosoluble fertilizers and/or other products

US4557749A · kind A · utility

3Cited by
19References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 1982
Grant dateDec 10, 1985
Priority date
Expiry dateSep 21, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S424/07
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Device for conditioning hydrosoluble fertilizers and/or hydrosoluble products usable in agriculture, wherein it comprises a sealed container, whereof at least one of the walls is constituted by a hydrophobic polymer diaphragm having hydrophilic inclusions, said container containing the fertilizers and/or products. A process for preparing a hydrophobic polymer diaphragm containing hydrophilic inclusions and usable in the conditioning device consists of preparing a hydrophobic polymer powder grafted by hydrophilic monomers and bringing this powder into the form of a diaphragm by different processes performed hot.

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