The present invention pertains to carpet and methods of making and recycling carpet. In one aspect, the carpet includes: a primary backing which has a face and a back surface; a plurality of fibers attached to the primary backing and extending from the face of the primary backing and exposed at the back...http://www.google.es/patents/US7820728?utm_source=gb-gplus-sharePatente US7820728 - Methods and systems for recycling carpet and carpets manufactured from recycled material
Methods and systems for recycling carpet and carpets manufactured from ...