	US 11,951,648 B2
	Treated porous material
Stephen W. King, Braselton, GA (US); and Xue Chen, Manvel, TX (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Filed by Dow Global Technologies LLC, Midland, MI (US)
Filed on May 21, 2021, as Appl. No. 17/326,389.
Application 17/326,389 is a division of application No. 15/771,517, granted, now 11,040,462, previously published as PCT/US2016/058743, filed on Oct. 26, 2016.
Claims priority of provisional application 62/246,939, filed on Oct. 27, 2015.
Prior Publication US 2021/0268683 A1, Sep. 2, 2021
Int. Cl. B27K 3/15 (2006.01); B27K 3/02 (2006.01); C08L 75/04 (2006.01); C08L 97/02 (2006.01); C09D 175/04 (2006.01); C08K 5/17 (2006.01); D21H 17/57 (2006.01)

CPC B27K 3/153 (2013.01) [B27K 3/0278 (2013.01); C08L 97/02 (2013.01); C09D 175/04 (2013.01); B27K 2240/70 (2013.01); C08K 5/17 (2013.01); C08L 75/04 (2013.01); D21H 17/57 (2013.01)]

8 Claims

1. A treated cellulosic material comprising:

a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a polymer, the polymer comprising a polyurethane polymer wherein the cellulosic material further comprises a hydrophobic amine modifying agent.