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US 3,938,279 AGranted
Growth medium to cover the surface of the ground
AssigneeNorsk Hydro A/S
InventorGunnar Johan Fonne
Life of this patent
Estimating the term…
Abstract
The invention relates to a growth medium which is to be used for covering the surface of the ground and which consists of or contains a mixture of an inorganic mineral binder based on cement, an organic fibrous material and fertiliser.
Claims3
A growth medium for covering the surface of ground which comprises a mixture of Portland cement, an organic fibrous material and fertilizer in a weight ratio of 10-40:5-20:5-15.
Dependencies are inferred from the claim text.