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Inventor:
Huygens; Eric
Address:
Heverlee, BE
No. of patents:
15
Patents:












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.










 
 
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