The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 2010
Filed:
Jan. 31, 2005
Koon Yeow Chan, Brussels, BE;
Eric Huygens, Heverlee, BE;
Herman Eugene Germain Moureau, Tienen, BE;
Anja Vanhalle, Everberg, BE;
Jianming Yu, Brussels, BE;
Koon Yeow Chan, Brussels, BE;
Eric Huygens, Heverlee, BE;
Herman Eugene Germain Moureau, Tienen, BE;
Anja Vanhalle, Everberg, BE;
Jianming Yu, Brussels, BE;
Huntsman International LLC, The Woodlands, TX (US);
Abstract
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 average molecular weight of 2000-10000, an average nominal hydroxy functionality of 2-6, an oxyethylene content of 21-45% by weight and a structure of the type -PO-PO/EO-EO wherein the PO block comprises 60-90% of the PO and the ratio of tipped EO:random is 3:1 to 1:3, and a process for preparing a flexible foam by reacting in a mould and at an index of 70-120, the above prepolymer or a composition comprising this prepolymer and