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:
Mar. 29, 2011
Filed:
Aug. 16, 2001
Heinz Forster, Wolfratshausen, DE;
Matthias Hefner, Erdweg, DE;
Georg Knoblauch, München, DE;
Jürgen Mertes, Altrip, DE;
Peter Reinerth, Emmering, DE;
Thomas Sandbank, München, DE;
Edmund Stadler, Hollfeld, DE;
Heinz Forster, Wolfratshausen, DE;
Matthias Hefner, Erdweg, DE;
Georg Knoblauch, München, DE;
Jürgen Mertes, Altrip, DE;
Peter Reinerth, Emmering, DE;
Thomas Sandbank, München, DE;
Edmund Stadler, Hollfeld, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention relates to composite elements comprising the following laminar structure: (i) 2 to 20 mm metal; (ii) 10 to 100 mm polyisocyanate polyaddition products having a density ranging from 350 to 1050 kg/mthat can be obtained by reacting (a) isocyanates with (b) compounds, which are reactive to isocyanates, in the presence of (f) expanding agents, and; (iii) 2 to 20 mm metal.