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1. (WO2005063655) ENGRAIS ORGANICO-MINERAL ET SON PROCEDE DE PRODUCTION
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

The claims

1. Organic-mineral fertilizer, which consists of mineral substance(s) and organic substances suitable for plants, characterized in that said organic substances contain oil shale and/or compounds prepared of that.

2. Organic-mineral fertilizer according to claim 1, characterized in that said organic substances mainly consist of shale oil and/or ground oil shale.

3. Organic-mineral fertilizer according to claims 1 or 2, characterized in that said organic substances mainly consist of shale oil and/or ground oil shale which has beforehand been treated with acid or its solution.

4. Organic-mineral fertilizer according to claims 1 or 2, characterized in that said organic substances mainly consist of shale oil and/or ground oil shale and/or oil shale semicoke and/or semicoke compost with organic waste.

5. Organic-mineral fertilizer according to claims 1 to 4, characterized in that said organic substances mainly consist of shale oil, treated earlier with acetone.

6. A method to produce organic-mineral fertilizer of mineral substance(s) suitable for plants, characterized in that additions, prepared of oil shale, are added to said organic-mineral fertilizer in the amount of 0,001% to 90% by weight.

7. A method to produce organic-mineral fertilizer of mineral substances suitable for plants, characterized in that the mineral core is covered by a layer containing heavy oil and/or ground oil shale and/or oil shale semicoke.

8. A method to produce organic-mineral fertilizer of mineral substances suitable for plants, characterized in that the mineral core is covered by a layer containing heavy shale oil and/or ground oil shale, treated with acid or its solution and/or oil shale semicoke.

9. A method to produce organic-mineral fertilizer of mineral substance(s) and organic substances suitable for plants, characterized in that shale oil, and/or ground oil shale products, treated earlier by acid or its solution are added to the mixture of mineral substance(s) and organic substances suitable for plants.

10. A method to produce organic-mineral fertilizer of mineral substance(s) and organic substances suitable for plants, characterized in that the mixture of mineral substance(s) and organic substances suitable for plants, with added shale oil and/or ground oil shale products, treated earlier by acid or its solution, and/or semicoke containing composite are pressed into pellets.