| Patent Number |
Title Of Patent |
Date Issued |
| 7300961 |
Polyol compositions useful for preparing dimensionally stable, low density water-blown rigid foa |
November 27, 2007 |
| The present invention relates to polyol compositions which can be used to produce dimensionally stable, low density water-blown rigid foams which have acceptable compressive strengths and acceptable k-factors. In one embodiment of the present invention, the polyol compositions are compos |
| 7041708 |
Ultraviolet-curable polyurethane compositions |
May 9, 2006 |
| Ultraviolet (UV)-curable polyurethane compositions are provided which are made by reacting an isocyanate with an ultraviolet (UV)-curable polyol that is made by co-polymerizing an alkylene oxide, an unsaturated carboxylic acid or anhydride and a hydroxy functional compound and which |
| 6869543 |
Amine-initiated polyether polyols and a process for their production |
March 22, 2005 |
| Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. By reducing the amount of catalyst used during the polyol synthesis and by adding the catalyst after between 5 and 30% of the total amount of at least one |
| 6833390 |
Process for preparing closed-cell water-blown rigid polyurethane foams having improved mechanica |
December 21, 2004 |
| The present invention is directed to a process for preparing water-blown rigid polyurethane foams having at least an 80% closed-cell content which involves reacting a) at least one polyol mixture which is composed of (i) at least one polymer polyol; (ii) at least one polyol having a hydr |
| 6762214 |
Process for the production of rigid foams from alkaline polyether polyols |
July 13, 2004 |
| The present invention relates to a process for the preparation of rigid foams comprising reacting a polyisocyanate component with an isocyanate-reactive component in the present of a blowing agent. Suitable isocyanate-reactive components for the presently claimed invention comprises |
