Patents by Inventor Viviane G. J. Neyens

Viviane G. J. Neyens has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polyurethane foams
    Patent number: 5459170
    Abstract: A method for the preparation of flexible polyurethane foams by reacting a polyisocyanate containing at least 85% by weight of 4,4'-diphenylmethane diisocyanate or a liquid variant thereof with a polyol composition comprising at least one poly(oxyethylene-oxyalkylene) polyol, the composition having an average nominal hydroxyl functionality of from 2.5 to 6, a number average hydroxyl equivalent weight of from 1000 to 3000 and an average oxyethylene content of from 25 to less than 50% by weight and with water.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: October 17, 1995
    Assignee: Imperial Chemical Industries PLC
    Inventors: Gerhard Bleys, Viviane G. J. Neyens
  • Process for preparing lignocellulosic bodies
    Patent number: 5130419
    Abstract: Process for preparing lignocellulosic bodies by bringing lignocellulosic parts into contact with a composition comprising a polyisocyanate, fumed silica and a non-ionic liquid gellant and by pressing this combinations of parts and composition.The adhesion of the parts is excellent and the binder composition can be easily sprayed.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: July 14, 1992
    Assignee: Imperial Chemical Industrial PLC
    Inventors: James P. Brown, Martin C. Barker, Viviane G. J. Neyens