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:
Apr. 03, 2007
Filed:
Feb. 13, 2002
Kieth G. Spitler, Burgettstown, PA (US);
David D. Steppan, Gibsonia, PA (US);
Howard S. Duff, Rochester, PA (US);
Kieth G. Spitler, Burgettstown, PA (US);
David D. Steppan, Gibsonia, PA (US);
Howard S. Duff, Rochester, PA (US);
Bayer MaterialScience LLC, Pittsburgh, PA (US);
Abstract
The present invention relates to a process for the production of a cellular composite, and to the resultant cellular composites. This process comprising (A) preparing a mixture of a polyisocyanate, water, and, optionally, one or more additives; (B) adding this mixture under low shear mixing to inorganic hollow microspheres; (C) completely filling a mold with the mixture; and (D) heating the mold containing the mixture to a temperature of from 100 to 280° C., thereby forming the composite.