| Patent Number |
Title Of Patent |
Date Issued |
| 7790778 |
Prepolymer, polyol composition and process for making a flexible foam |
September 7, 2010 |
| Isocyanate-terminated prepolymer having an NCO-value of 5-30% by weight and being the reaction product of an excessive amount of diphenylmethane diisocyanate comprising at least 80% by weight of 4,4'-diphenylmethane diisocyanate and a polyoxyethylene-polyoxypropylene polyol having an |
| 7169824 |
Process for preparing a flexible polyurethane foam |
January 30, 2007 |
| Process for preparing flexible polyurethane foam by reacting an MDI-based polyisocyanate and a polyether polyol with a high oxyethylene content in a mold. |
| 6884824 |
Process for preparing an elastomer |
April 26, 2005 |
| Process for preparing a polyurethane elastomer having an apparent overall density of more than 150 kg/m.sup.3 comprising reacting a polyisocyanate and an isocyanate-reactive composition, optionally in the presence of water, wherein the reaction is conducted at an isocyanate index of 85 t |
| 6806342 |
Process for preparing a polyurethane material |
October 19, 2004 |
| Process for preparing a polyurethane material having no glass transition temperature below 25 C, which process involves using a polyoxyethylene polyoxypropylene polyol having a high oxyethylene content and a polyisocyanate having a high 4,4'-diphenylmethane diisocyanate (4,4'-MDI) co |
| 6569913 |
Isocyanate-terminated prepolymers |
May 27, 2003 |
| Novel isocyanate-terminated prepolymers and a process for making flexible polyurethane foams thereof. The prepolymers are made from polyether polyols having a high equivalent weight. |
| 6417241 |
Process for preparing a flexible polyurethane foam |
July 9, 2002 |
| Process for making molded flexible polyurethane foams MDI-based foams with high resilience using MDI and a polyol composition. |
| 6043292 |
Process for making flexible polyurethane foams |
March 28, 2000 |
| Process for preparing rigid and flexible polyurethane foams by reacting a polyisocyanate and a polyol in the presence of water and CO.sub.2. The foams obtained do not show a major glass transition temperature between -100.degree. C. and +25.degree. C. and have improved air flow propertie |
| 6037382 |
Process for preparing a flexible polyurethane foam |
March 14, 2000 |
| Process for making flexible polyurethane foams using MDI and TDI and a polyol composition comprising dispersed particulate material. |
| 5900441 |
Process for preparing a flexible polyurethane foam |
May 4, 1999 |
| Process for preparing a flexible foam by reacting a polyisocyanate composition having an NCO value of 11-24% by weight with an isocyanate-reactive compound having a number average molecular weight of 1000-12000 using water as blowing agent. |
| 5773483 |
Process for preparing a flexible foam |
June 30, 1998 |
| A method for the preparation of flexible polyurethane foams by reacting a polyisocyanate containing at least 85% by weight of 4,4'-diphenylmethane diisocyanate or a liquid variant thereof with a polyol composition comprising at least one poly(oxyethylene-oxyalkylene) polyol having an |
| 5594040 |
Process for preparing flexible foams |
January 14, 1997 |
| 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. |
| 5594039 |
Process for preparing flexible foams |
January 14, 1997 |
| 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. |
| 5491176 |
Process for preparing flexible foams |
February 13, 1996 |
| Process for preparing a flexible foam by reacting an isocyanate-terminated prepolymer having an NCO value of 5-18% by weight, a polyisocyanate having an NCO value of at least 25% by weight, 20-95 parts by weight, per 100 parts by weight of polyisocyanate, of an isocyanate-reactive compou |
| 5399594 |
Process for making MDI based flexible foam |
March 21, 1995 |
| Process for preparing MDI flexible foam in a closed mould at a pressure of 0.001-0.5 bar above atmospheric pressure. |
| 5260346 |
Reaction system for preparing polyurethane/polyurea |
November 9, 1993 |
| Reaction system for preparing elastomers according to the RIM process, the system comprising an allophanate modified polyisocyanate, a polyol and an aromatic polyamine chain extender. No IMR is necessary. |
