The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 07, 2012
Filed:
Feb. 24, 2006
Mikko Lylykangas, Helsinki, FI;
Harri Kiiski, Espoo, FI;
Juhani Poukari, Masala, FI;
Robert John Milborne, Cheshire, GB;
Mikko Lylykangas, Helsinki, FI;
Harri Kiiski, Espoo, FI;
Juhani Poukari, Masala, FI;
Robert John Milborne, Cheshire, GB;
Kemira Growhow Oyj, Helsinki, FI;
Abstract
The invention relates to a fertilizer granule containing ammonium nitrate, comprising a core containing ammonium nitrate and a coating layer containing calcium sulphate. The coating layer consists of a mixture containing calcium sulphate and ammonium nitrate. Such a fertilizer granule is preferably produced by contacting the core with an aqueous ammonium nitrate solution and solid calcium sulphate particles, either as a slurry or separately. The production of the fertilizer granule is safe and easy.