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:
May. 30, 2023
Filed:
May. 23, 2016
Westlake Royal Building Products Inc., Houston, TX (US);
Hamed Lakrout, San Antonio, TX (US);
Guy Crocco, New Braunfels, TX (US);
Ying Zhang, San Antonio, TX (US);
Russell Hill, San Antonio, TX (US);
Westlake Royal Building Products Inc., Houston, TX (US);
Abstract
Polyurethane or polyisocyanurate foam stock and methods of manufacturing are described herein. The foam stock can include (a) a polyurethane or polyisocyanurate 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; and (b) a filler present in an amount from greater than 50% to 90% by weight, based on the total weight of the foam stock. The density of the foam stock can be from 10 lb/ftto 35 lb/ft. The flexural strength of the foam stock can be at least 100 psi. The resulting foam stock can be used to produce polyurethane or polyisocyanurate foam to be used in composite panels.