Patents Assigned to Smith and Nephew p.l.c.
  • Patent number: 5474525
    Abstract: A tubular undercast padding for a body immobilising cast comprises a conformable, elastically extensible material which material comprises a lofted non-woven fabric. The lofted non-woven fabric may be rendered extensible by forming as a folded or creped layer on a supporting layer of an elastically extensible material.
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: December 12, 1995
    Assignee: Smith & Nephew p.l.c.
    Inventor: Patrick L. Blott
  • Patent number: 5403300
    Abstract: A tampon for hygienic use comprising a generally cylindrical absorbent core having a liquid pervious cover layer on the outer surface thereof wherein the cover layer is a polymer net comprising two intersecting sets of parallel ribs and wherein each set of ribs are aligned obliquely with respect to both the main axis of the tampon and to each other. A strip of net may be bonded to one end of a strip of absorbent material and the composite spirally wound such that the net forms the outer layer. The free end of the net may overlap an underlying layer of net and be bonded thereto by heat sealing.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: April 4, 1995
    Assignee: Smith & Nephew p.l.c.
    Inventor: George Howarth
  • Patent number: 5087686
    Abstract: A radiation curable composition for an adhesive includes a polyurethane, for example a polyurethane comprising residues of a polyether diol or a polyester diol, capped with residues of a hydroxyalkyl acrylate or methacrylate and non-polymerizable residues of a primary or secondary alcohol. The compositions may be cured to form a pressure sensitive adhesive and can be employed to produce adhesive dressings by coating a suitable substrate with the composition and thereafter curing the coated composition by, for example, electron beam or ultra violet irradiation.
    Type: Grant
    Filed: August 29, 1988
    Date of Patent: February 11, 1992
    Assignee: Smith and Nephew p.l.c.
    Inventors: Christopher W. G. Ansell, Colin Butler