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:
Jul. 24, 2018
Filed:
Jun. 05, 2015
Boral Ip Holdings (Australia) Pty Limited, North Sydney, AU;
Amitabha Kumar, San Antonio, TX (US);
Li Ai, San Antonio, TX (US);
Russell L. Hill, San Antonio, TX (US);
Boral IP Holdings (Australia) Pty Limited, North Sydney, AU;
Abstract
Polyurethane composites and methods of preparation are described herein. The polyurethane composites can comprise (a) a polyurethane formed by the reaction of (i) one or more isocyanates selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof, and (ii) one or more polyols, (b) a particulate filler having a bulk density of 1 g/cmor greater, (c) optionally a fiber material, and (d) a lightweight filler having a bulk density from 0.01 g/cmto less than 1 g/cm. In some examples, the lightweight filler can be selected from expanded perlite, expanded clay, foamed glass, and combinations thereof. Articles such as building materials comprising the polyurethane composites are also disclosed.