Patents by Inventor Joanne M. Moster

Joanne M. Moster 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 production of low density water-blown rigid foams with flow and dimensional stability
    Patent number: 5627221
    Abstract: The invention provides a methods for making water-blown closed cell rigid foams comprising using as a polymer base a polyol selected from the group consisting of:(a) a polyester polyol with an average functionality of at least 1.6 and an OH value of at least 200; and(b) a polyether polyol with an average functionality of at least 2 and an OH value of at least 200.The invention also provides water-blown closed cell rigid foams comprising a polymer base selected from the group consisting of:(a) a polyester polyol with an average functionality of at least 1.6 and an OH value of at least 200; and(b) a polyether polyol with an average functionality of at least 2 and an OH value of at least 200.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: May 6, 1997
    Assignee: Stepan Company
    Inventors: Donald W. Schumacher, George Magnus, Joanne M. Moster
  • Process for production of low density water-blown rigid foams with flow and dimensional stability
    Patent number: 5420169
    Abstract: The invention provides a methods for making water-blown closed cell rigid foams comprising using as a polymer base a polyol selected from the group consisting of:(a) a polyester polyol with an average functionality of at least 1.6 and an OH value of at least 200; and(b) a polyether polyol with an average functionality of at least 2 and an OH value of at least 200.The invention also provides water-blown closed cell rigid foams comprising a polymer base selected from the group consisting of:(a) a polyester polyol with an average functionality of at least 1.6 and an OH value of at least 200; and(b) a polyether polyol with an average functionality of at least 2 and an OH value of at least 200.
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: May 30, 1995
    Assignee: Stepan Company
    Inventors: Donald W. Schumacher, George Magnus, Joanne M. Moster