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Jan Birger Isaksen
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Porsgrunn, NO
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last 30 patents
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Patent Grant
Method for production of nitrate-containing products from undercool...
Patent number
7,500,995
Issue date
Mar 10, 2009
Yara International ASA
Jan Birger Isaksen
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method for making nitrogen-potassium fertilizer containing calcium...
Patent number
6,176,892
Issue date
Jan 23, 2001
Norsk Hydro ASA
Torstein Obrestad
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method of manufacturing free-flowing ammonium nitrate particles app...
Patent number
5,472,530
Issue date
Dec 5, 1995
Norsk Hydro a.s
Torstein Obrestad
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing calcium phosphates
Patent number
4,166,839
Issue date
Sep 4, 1979
Norsk Hydro a.s
Oyvind Skauli
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Patents Applications
last 30 patents
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Patent Application
Method for production of nitrate-containing products from undercool...
Publication number
20060013755
Publication date
Jan 19, 2006
Jan Birger Isaksen
C05 - FERTILISERS MANUFACTURE THEREOF