US Patent Issued to The AZEK Group on Aug. 4 for "Binary filler-containing extrudate composition and building products formed from same" (Ohio Inventor)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,384, issued on Aug. 4, was assigned to The AZEK Group LLC (Chicago).

"Binary filler-containing extrudate composition and building products formed from same" was invented by Jia Fan (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition includes about 60 to about 90 wt. % polyvinyl chloride (PVC) resin, about 10 to about 40 wt. % filler material, where the filler material includes about 25 to about 75 wt. % wood flour and about 25 to about 75 wt. % wollastonite, about 1 to about 2 wt. % heat stabilizer, and about 0.1 to about 3 wt. % lubricant."

The patent was filed on Sept. 3, 2025, under Application No. 19/318,138.

*For further i...