Title:
SOIL IMPROVING AND FERTILISING COMPOSITION
Document Type and Number:
WIPO Patent Application WO2002038522
Kind Code:
A3
Abstract:
The invention provides a process for preparing a soil improving and fertilising composition from fertiliser and crosslinked copolymer, the process including imparting an electrical charge to at least one of said copolymer and the fertiliser and bringing said copolymer and fertiliser into intimate contact with each other. The fertiliser and crosslinked copolymer are believed to be mechanically fused to form the composition. The invention extends to a composition and to an agricultural or horticultural method using the composition.
Inventors:
VAN DER MERWE PIETER GIDEO (ZA)
Application Number:
PCT/ZA2001/000145
Publication Date:
February 20, 2003
Filing Date:
September 14, 2001
Export Citation:
Assignee:
AQUASOIL LTD (GB)
VAN DER MERWE PIETER GIDEO (ZA)
VAN DER MERWE PIETER GIDEO (ZA)
International Classes:
C05F11/00; C05F15/00; (IPC1-7): C05F15/00; B01F3/20; C05G3/04
Domestic Patent References:
| WO1992019095A1 | 1992-11-12 | |||
| WO1981003144A1 | 1981-11-12 |
Foreign References:
| FR2745002A1 | 1997-08-22 | |||
| EP0475433A1 | 1992-03-18 | |||
| DD276279A1 | 1990-02-21 | |||
| US4034966A | 1977-07-12 | |||
| US4724154A | 1988-02-09 | |||
| US4988208A | 1991-01-29 | |||
| FR1578779A | 1969-08-22 |
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