US 12,252,885 B2
Roofing membrane with integrated surface reinforcement
Julie Anne Geyer, Cleveland, OH (US); Melissa Rus, Cleveland, OH (US); and Jason Smith, Cleveland, OH (US)
Assigned to Garland Industries, Inc., Independence, OH (US)
Filed by Garland Industries, Inc., Cleveland, OH (US)
Filed on Nov. 9, 2023, as Appl. No. 18/505,814.
Application 18/505,814 is a continuation of application No. 18/106,738, filed on Feb. 7, 2023, granted, now 11,814,847.
Application 18/106,738 is a continuation of application No. 17/591,832, filed on Feb. 3, 2022, granted, now 11,591,798, issued on Feb. 28, 2023.
Claims priority of provisional application 63/172,206, filed on Apr. 8, 2021.
Prior Publication US 2024/0093496 A1, Mar. 21, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 7/03 (2019.01); B32B 5/02 (2006.01); B32B 7/05 (2019.01); B32B 7/06 (2019.01); B32B 11/10 (2006.01); E04D 5/10 (2006.01)
CPC E04D 5/10 (2013.01) [B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 7/03 (2019.01); B32B 7/05 (2019.01); B32B 7/06 (2013.01); B32B 11/10 (2013.01); B32B 2255/02 (2013.01); B32B 2262/101 (2013.01); B32B 2307/3065 (2013.01); B32B 2419/06 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A surface-reinforced bitumen roofing membrane that includes a bitumen compound layer, a fiber mat that is position on or above at least a portion of a top surface of said bitumen compound layer, a bleed blocker layer located between said bitumen compound layer and said fiber mat, and a release liner; said release liner is a) releasably positioned on a bottom surface of said surface-reinforced bitumen roofing membrane, and/or b) releasably positioned on a top surface of said surface-reinforced bitumen roofing membrane; said bitumen compound layer comprises by weight percent:
 
 
 
 Primary hydrocarbon compound   25-80 wt. %
 
 Filler  0.5-60 wt. %
 
 Polymer Modifier 0.05-25 wt. %
 
 Hydrocarbon Resin Process Oil 0.05-20 wt. %;
 
 
and wherein said weight percentages of said bitumen compound layer excludes any internal reinforcement layer in said bitumen compound layer.