US 11,987,729 B2
Adhesive formulations for roofing applications and related methods
Isaac Bernard Rufus, Newark, DE (US); Adem Chich, Kearny, NJ (US); Overton Williams, Paterson, NJ (US); Richard Chin, Livingston, NJ (US); Michael Dougherty, Mount Arlington, NJ (US); Ramil Marcelo L. Mercado, Waxahachie, TX (US); and Jarod L. Krajca, Ennis, TX (US)
Assigned to BMIC LLC, Dallas, TX (US)
Filed by BMIC LLC, Dallas, TX (US)
Filed on Jul. 25, 2022, as Appl. No. 17/872,555.
Application 17/872,555 is a continuation of application No. 17/466,511, filed on Sep. 3, 2021, granted, now 11,396,617, issued on Jul. 26, 2022.
Claims priority of provisional application 63/168,879, filed on Mar. 31, 2021.
Claims priority of provisional application 63/104,150, filed on Oct. 22, 2020.
Claims priority of provisional application 63/074,358, filed on Sep. 3, 2020.
Prior Publication US 2023/0015429 A1, Jan. 19, 2023
Int. Cl. C09J 109/06 (2006.01); C09J 11/04 (2006.01); C09J 11/06 (2006.01); C09J 123/12 (2006.01); E04D 1/34 (2006.01)
CPC C09J 109/06 (2013.01) [C09J 11/04 (2013.01); C09J 11/06 (2013.01); C09J 123/12 (2013.01); E04D 1/34 (2013.01); E04D 2001/3435 (2013.01)] 8 Claims
 
1. A roofing system comprising:
a roofing substrate; and
an adhesive formulation on at least one surface of the roofing substrate,
wherein the adhesive formulation comprises:
0.5% to 30% by weight of at least one polymer based on a total weight of the adhesive formulation;
20% to 70% by weight of at least one process oil based on the total weight of the adhesive formulation; and
10% to 70% by weight of at least one tackifier based on the total weight of the adhesive formulation,
wherein the at least one tackifier is different from the at least one process oil;
wherein the at least one tackifier comprises a rosin ester;
wherein the adhesive formulation is free of asphalt or substantially free of asphalt.