	US 12,247,142 B2
	Tackifier-free hot melt adhesive compositions suitable for use in a disposable hygiene article
Kimberly E. Secrist, Wauwatosa, WI (US); Steven D. Gray, Wauwatosa, WI (US); and Naji Hussein, Colombes (FR)
Assigned to Bostik Inc., Wauwatosa, WI (US); and Bostik SA, Colombes (FR)
Appl. No. 17/626,238
Filed by Bostik, Inc., Wauwatosa, WI (US); and Bostik, SA, Colombes (FR)
PCT Filed Jul. 10, 2020, PCT No. PCT/US2020/041640 § 371(c)(1), (2) Date Jan. 11, 2022, PCT Pub. No. WO2021/011390, PCT Pub. Date Jan. 21, 2021.
Claims priority of provisional application 62/873,259, filed on Jul. 12, 2019.
Prior Publication US 2022/0251429 A1, Aug. 11, 2022
Int. Cl. B32B 41/00 (2006.01); A61F 13/539 (2006.01); C09J 5/06 (2006.01); C09J 123/12 (2006.01)

CPC C09J 123/12 (2013.01) [A61F 13/539 (2013.01); C09J 5/06 (2013.01); A61F 2013/53958 (2013.01)]

21 Claims

1. A hot melt adhesive composition comprising:

(a) a polypropylene homopolymer having a DSC melting point of less than 100° C.;

(b) a 1-butene-based copolymer; and

wherein the composition is tackifier-free.