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Controlled Release Formulations for Anionic Herbicides

Rubin Baruch, HUJI, Faculty of Agricultural, Food and Environmental Quality Sciences, Plant Sciences and Genetics
Nir Shlomo, HUJI, Faculty of Agricultural, Food and Environmental Quality Sciences, Soil and Water Sciences
Mishael Yael, HUJI, Faculty of Agricultural, Food and Environmental Quality Sciences, Soil and Water Sciences

Reduce soil and water contamination

Categories

Agriculture, pest control/herbicides, formulations

Development Stage

Ongoing research

Patent Status

US patent 7,030,062, EP patent 1363491, Israel Patent156454

Highlights

  • High concentrations of herbicides are used to compensate for loss due to leaching and surface migration
  • Slow-release and controlled-release formulations are specifically designed for hydrophobic herbicides – not suitable for anionic herbicides such as sulfonylureas, imidazolinones and triazolopyrimidines

Our Innovation

Herbicides that are negatively charged at pH6 or above are incorporated into positively charged micelles or vesicles. The micelle or vesicle is adsorbed onto negatively-charged clay mineral, such as smectite or sepiolite.

 

Key Features   

  • The herbicide is released slowly, reducing leaching to deeper layers and contamination of soil and water.
  • The herbicide is delivered close to its target, enhancing efficiency and reducing concentration required
  • The new formulation is also suitable for hydrophobic herbicides

Development Milestones

  • Seeking cooperation for continued research and commercialization

The Opportunity

  • The worldwide agricultural and non-crop (home and garden markets and usage in industrial, governmental and commercial use) herbicide market is valued at more than $15 billion.
  • In terms of consumption, the U.S. agricultural and noncrop herbicide market makes up 35% of the value of the world market and 25% of the volume of the world market.

Patent Status

Granted US 7,030,062; Israel 156454; Turkey 2006/03784

Contact for more information:

Amichai Baron
VP, Head of Business Development, Agritech & Envir
+972-8-9489263