Patents by Inventor Johan R. Derluyn

Johan R. Derluyn 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).

  • Process for preparing flexible foams
    Patent number: 5594040
    Abstract: Process for making a flexible foam by reacting a polyisocyanate composition having an NCO value of 10-25% by weight and 30-150 parts by weight, per 100 parts by weight of polyisocyanate composition, of a polyol composition comprising water at an isocyanate-index of 40-100.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: January 14, 1997
    Assignee: Imperial Chemical Industries PLC
    Inventors: Dirk Gerber, Johan R. Derluyn, Eric Huygens
  • Process for preparing flexible foams
    Patent number: 5594039
    Abstract: Process for making a flexible foam by reacting a polyisocyanate composition having an NCO value of 10-25% by weight and 30-150 parts by weight, per 100 parts by weight of polyisocyanate composition, of a polyol composition comprising water at an isocyanate-index of 40-100.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: January 14, 1997
    Assignee: Imperial Chemical Industries
    Inventors: Dirk Gerber, Johan R. Derluyn, Eric Huygens
  • Process for preparing flexible foams
    Patent number: 5521225
    Abstract: Process for making a flexible foam by reacting a polyisocyanate composition having an NCO value of 10-25% by weight and 30-150 parts by weight, per 100 parts by weight of polyisocyanate composition, of a polyol composition comprising water at an isocyanate-index of 40-100.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: May 28, 1996
    Assignee: Imperial Chemical Industries plc
    Inventors: Dirk Gerber, Johan R. Derluyn, Eric Huygens