Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9012363 | Granular controlled release agrochemical compositions and process for the preparation thereof | Lonneke Jacoba van Boxtel-Verhoeven, Petra Leonarda Hendrica Lunde-Vannuys | 2015-04-21 |
| 8497229 | Granular controlled release agrochemical compositions and process for the preparation thereof | Lonneke Jacoba van Boxtel-Verhoeven, Petra Leonarda Hendrica Lunde-Vannuys | 2013-07-30 |
| 8419820 | Fast dissolving water-soluble fertilizer formulations and methods and uses thereof | Hein Herman Vriesema | 2013-04-16 |
| 8399020 | Shaped plant growth nutrient products and processes for the production thereof | Danny Andreas Maria Driessen, Michael Gustaaf Eltink, Gerardus Jacobus Joseph Out, Andreas Lerschmacher, Peter Kuhlmann | 2013-03-19 |
| 6987082 | Controlled release products and processes for the preparation thereof | Edze Jan Tijsma, Saskia Haas-Schrijen, Hein Herman Vriesema | 2006-01-17 |
| 6787234 | Triggered start products and processes for the production and use thereof | Edze Jan Tijsma, Saskia Haas-Schrijen, Hein Herman Vriesema | 2004-09-07 |
| 6656882 | Controlled release products and processes for the preparation thereof | Edze Jan Tijsma, Saskia Haas-Schrijen, Hein Herman Vriesema | 2003-12-02 |
| 6312493 | Water soluble fertilizer compositions | Michael Gustaaf Eltink, Philip van Roij, Edze Jan Tijsma, Hendrikus Gijsbertus Adrianus van Kaathoven | 2001-11-06 |
| 6139597 | Controlled release fertilizer compositions and processes for the preparation thereof | Edze Jan Tijsma, Hendrikus Gijsbertus Adrianus van Kaathoven | 2000-10-31 |
| 5993505 | Controlled release fertilizer compositions and processes for the preparation thereof | Edze Jan Tijsma, Seija Helena Aalto, Hendrikus Gijsbertus Adrianus van Kaathoven | 1999-11-30 |
| 5658967 | Providing a surface with carboxyl groups and surface and product thus provided | Jan Feijen, Jan-Pleun Lens | 1997-08-19 |