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:
Mar. 08, 2011
Filed:
May. 19, 2005
Eija Saarikko, Espoo, FI;
Juhani Poukari, Masala, FI;
Paula Ylinen, Helsinki, FI;
Anders Weckman, Espoo, FI;
Eija Saarikko, Espoo, FI;
Juhani Poukari, Masala, FI;
Paula Ylinen, Helsinki, FI;
Anders Weckman, Espoo, FI;
Yara Suomi Oy, Helsinki, FI;
Abstract
The invention relates to a method for preparing a suspension containing phosphate stepwise directly from raw materials, from phosphoric acid of fertilizer quality, a base and organic additives. In accordance with the method, the phosphoric acid is preneutralised with the base, the organic additives are added, nucleation is controlled and phosphate salts are cooling crystallised in order to form a suspension. The phosphate suspension prepared with the method of the invention is applicable to seed coating.