By bringing paper into contact with an excess of fluids, the paper

Official title: {by bringing paper into contact with an excess of fluids, the paper carrying away only a part of the fluid material, e.g. by passing through liquids, gases or vapours}

D21H5/0012 (By bringing paper into contact with an excess of fluids, the paper) appears on 61 US grants and 3 published applications in this corpus.