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:
Nov. 06, 2001
Filed:
Oct. 07, 1999
Michael Gustaaf Eltink, Heerlen, NL;
Philip van Roij, Maastricht, NL;
Edze Jan Tijsma, Maastricht, NL;
Johannes Gijsbertus Antonius Terlingen, Landgraaf, NL;
Hendrikus Gijsbertus Adrianus van Kaathoven, Nieuwstadt, NL;
OMS Investments, Inc., Wilmington, DE (US);
Abstract
The present invention relates to a solid water soluble fertilizer composition containing one or more fertilizer materials and a phosphate free, organic acid which is solid at ambient temperatures. The fertilizer materials include primary macro nutrients, secondary macro nutrients, micro nutrients and mixtures thereof. The organic acid has a water solubility of at least 10 g/l (at 25° C.) and an acidifying effect in the range of 0.5 to 1.3 g HCO,/g acid. The acidifying effect is defined as the amount of HCO,that can be transformed into H,CO,per gram of acid and is calculated in accordance with the following formula: