Assuming the patio is clean, dry, sound and prepared as detailed in the technical data sheet, it is made of one of the substrates listed below, we can recommend Hydron Mona-Guard Nhance.

This is a unique water based modified polysiloxane which provides oil and water repellent properties and lifts the true colour of the substrate.

Brickwork
Concrete
Natural stone
Reconstructed stone and blockwork
Granite
Marble
Terrazzo
Limestone
Sandstone
Concrete pavers, flags and roof tiles
Slate