	US 12,286,579 B2
	Fire-retardant oriented strand board
Lehong Jin, Huntersville, NC (US); David Humphrey, Glen Iris (AU); Ghonche Rassam, New Plymouth (NZ); Olivera Zivkovic, Decatur, GA (US); Adegoke Adekunle, Loganville, GA (US); James Hurley, Sandy Springs, GA (US); and Susan Thomason, Oxford, GA (US)
Assigned to ARXADA, LLC, Morristown, NJ (US)
Filed by ARXADA, LLC, Morristown, NJ (US)
Filed on Jul. 7, 2022, as Appl. No. 17/859,455.
Application 17/859,455 is a continuation of application No. 16/901,581, filed on Jun. 15, 2020, granted, now 11,414,602.
Claims priority of provisional application 62/927,273, filed on Oct. 29, 2019.
Claims priority of provisional application 62/861,056, filed on Jun. 13, 2019.
Claims priority of application No. 20160201 (EP), filed on Feb. 28, 2020.
Prior Publication US 2022/0340816 A1, Oct. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 21/10 (2006.01); B27K 3/02 (2006.01); B27K 3/08 (2006.01); B27K 3/52 (2006.01); B27N 9/00 (2006.01); C09D 5/18 (2006.01); C09D 15/00 (2006.01); C09K 21/12 (2006.01)

CPC C09K 21/10 (2013.01) [B27K 3/0278 (2013.01); B27K 3/08 (2013.01); B27K 3/52 (2013.01); B27N 9/00 (2013.01); C09D 5/18 (2013.01); C09D 15/00 (2013.01); C09K 21/12 (2013.01); B27K 2240/30 (2013.01)]

12 Claims

1. A method of forming a flame-retardant oriented strand board, the method comprising,

applying an aqueous solution comprising a solvent comprising water and a water-soluble flame-retardant having a solubility in water of at least about 400 g/L that is not water present in the aqueous solution in an amount of about 40% by weight or greater to a first furnish; and

applying a flame-retardant powder to the first furnish;

wherein the first furnish is configured to form an oriented strand board without an additional drying step;

wherein the oriented strand board comprises at least one inner layer and at least one outer layer, and wherein said layers are subjected to compression employing at least one adhesive to form the oriented strand board.