Patent ID: 11877539
Assignee: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 0:
1. A process for preparing a polymeric membrane for soil to be used in crop production, the process comprising:
providing a sprayable aqueous dispersion of ionic polyurethane, wherein the aqueous dispersion further comprises a thickening agent; and
spraying the aqueous dispersion onto an area of soil to be used in crop production from seeds or pre-grown plants to form a polymeric membrane on the surface of the area of soil, wherein the aqueous dispersion is sprayed onto the area of soil (i) prior to planting of the seeds in the area of soil, or (ii) prior to planting of the pre-grown plants in the area of soil, or (iii) after planting of the pre-grown plants in the area of soil.