Patents by Inventor Peter F. Stroobants

Peter F. Stroobants 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).

  • Polyether polyols
    Patent number: 5594097
    Abstract: Polyether polyol comprising as alkylene oxide units ethylene oxide and propylene oxide units, said polyol having a nominal average hydroxyl functionality of 2-6, an hydroxyl value of 16-45 mg KOH/g, a primary hydroxyl content of at least 50% calculated on the total amount of hydroxyl groups and an amount of ethylene oxide units, calculated on the weight of the alkylene oxide units in the polyol, of 21-49% by weight these polyols are useful for making flexible foam.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 14, 1997
    Assignee: Imperial Chemical Industries PLC
    Inventors: Pierre G. Chaffanjon, Peter F. Stroobants, Gerhard J. Bleys
  • Process for making flexible foams
    Patent number: 5565498
    Abstract: Polyether polyol comprising as alkylene oxide units ethylene oxide and propylene oxide units, said polyol having a nominal average hydroxyl functionality of 2-6, an hydroxyl value of 16-45 mg KOH/g, a primary hydroxyl content of at least 50% calculated on the total amount of hydroxyl groups and an amount of ethylene oxide units, calculated on the weight of the alkylene oxide units in the polyol, of 21-49% by weight. These polyols are useful for making flexible foam.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: October 15, 1996
    Assignee: Imperial Chemical Industries PLC
    Inventors: Pierre G. Chaffanjon, Peter F. Stroobants, Gerhard J. Bleys