The non-stringy hydrogels of this invention are comprised of a homogeneous uniform mixture of water and at least one water-soluble high molecular weight polymer. Suitable mixtures may be derived from poly(ethylene oxide) and water or poly(vinyl pyrrolidone), a viscosity-enhancing hydrophilic polymer...http://www.google.fr/patents/US5143071?utm_source=gb-gplus-shareBrevet US5143071 - Non-stringy adhesive hydrophilic gels
