A floor covering for stables comprising at least two tufted textile layers and a permeable, abrasion resistant material impregnated into the outer surface portion of the top layer and comprising a composition selected from the group consisting of acrylic resins, styrene- acrylic copolymers, polyvinyl...http://www.google.es/patents/US4364331?utm_source=gb-gplus-sharePatente US4364331 - Floor covering for stabling
