Yissum - Research Development Company of the Hebrew University

Controlled Release Formulations for Anionic Herbicides

Posted by Yissum - Research Development Company of the Hebrew UniversityResponsive · Knowhow and Research output · Israel

Summary of the technology

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Project ID : 6-2006-232

Description of the technology

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

Market Size

Sales of controlled release materials will reach $787 million in 2012 of which agriculture has by far the largest market share, reaching $259 million, almost 33% of the total market.

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.

Project manager

Amichai Baron
VP, Head of Business Development, Agritech & Envir

Project researchers

Baruch Rubin
HUJI, Faculty of Agricultural, Food and Environmental Quality Sciences
Plant Sciences and Genetics

Shlomo Nir
HUJI, Faculty of Agricultural, Food and Environmental Quality Sciences
Soil and Water Sciences

Yael Mishael
HUJI, Faculty of Agricultural, Food and Environmental Quality Sciences
Soil and Water Sciences

Related keywords

  • Agriculture
  • Agro chemicals
  • Agriculture, Forestry, Fishing, Animal Husbandry and Related Products
  • Agricultural genetic engineering applications
  • Agricultural chemicals
  • agriculture
  • Plant Protection & Bio-Control

About Yissum - Research Development Company of the Hebrew University

Technology Transfer Office from Israel

Yissum Research Development Company of the Hebrew University of Jerusalem Ltd. Founded in 1964 to protect and commercialize the Hebrew University’s intellectual property. Ranked among the top technology transfer companies, Yissum has registered over 8,900 patents covering 2,500 inventions; has licensed out 800 technologies and has spun-off 90 companies. Products that are based on Hebrew University technologies and were commercialized by Yissum generate today over $2 Billion in annual sales.

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