Filled polyurethane or polyisocyanurate foam and method of making same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11661472
APP PUB NO 20220259371A1
SERIAL NO

16301996

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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/ft3 to 35 lb/ft3. 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.

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Patent Owner(s)

Patent OwnerAddress
WESTLAKE ROYAL BUILDING PRODUCTS INC1209 ORANGE STREET WILMINGTON DE 19801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crocco, Guy New Braunfels, US 15 73
Hill, Russell San Antonio, US 38 160
Lakrout, Hamed San Antonio, US 44 345
Zhang, Ying San Antonio, US 923 12176

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