Hannu Aijala

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous fertilzer suspension containing at least phosphate ions and...
- Patent number 5,997,602
- Issue date Dec 7, 1999
- Kemira Agro Oy
- Hannu Aijala
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Suspension fertilizer suitable for irrigation fertilization, and a...
- Patent number 5,851,260
- Issue date Dec 22, 1998
- Kemira Agro Oy
- Hannu Aijala
- C05 - FERTILISERS MANUFACTURE THEREOF