专利检索 ap:("Sachchida N. Singh" OR "Steve B. Burns" OR "Patricia A. Jones") AND inv:"Steve B. Burns" 第 1 页

1.

发明授权
Flame resistant rigid polyurethane foams blown with hydrofluorocarbons 失效

公开(公告)号：US06372811B1

公开(公告)日：2002-04-16

申请号：US09122132

申请日：1998-07-24

申请人： Sachchida N. Singh , Steve B. Burns , Patricia A. Jones

发明人： Sachchida N. Singh , Steve B. Burns , Patricia A. Jones

IPC分类号： C08G1814

摘要： Rigid polyurethane foams having improved flame resistance are disclosed. The foams are prepared from a composition containing (a) an isocyanate, (b) an isocyanate reactive composition containing an aromatic polyester polyol, (c) an organo phosphorus compound and (d) a C1 to C4 hydrofluorocarbon.