US 12,264,101 B2
Building materials comprising agglomerated particles
Justin P. Dunlap, Hagerstown, MD (US); John Allen Horton, Frederick, MD (US); Olan Leitch, Bakersfield, CA (US); and Daniel E. Rardon, Greencastle, PA (US)
Assigned to Specialty Granules Investments LLC, Parsippany, NJ (US)
Filed by Specialty Granules Investments LLC, Parsippany, NJ (US)
Filed on Apr. 18, 2024, as Appl. No. 18/638,844.
Application 18/638,844 is a continuation of application No. 18/311,918, filed on May 4, 2023, granted, now 11,987,524.
Application 18/311,918 is a continuation of application No. 17/232,171, filed on Apr. 16, 2021, granted, now 11,680,016, issued on Jun. 20, 2023.
Application 17/232,171 is a continuation of application No. 16/829,378, filed on Mar. 25, 2020, granted, now 11,008,254, issued on May 18, 2021.
Claims priority of provisional application 62/884,342, filed on Aug. 8, 2019.
Prior Publication US 2024/0270640 A1, Aug. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C04B 18/02 (2006.01); C04B 18/06 (2006.01); C04B 111/00 (2006.01); E04D 1/00 (2006.01); E04D 1/22 (2006.01)
CPC C04B 18/021 (2013.01) [C04B 18/064 (2013.01); E04D 1/22 (2013.01); C04B 2111/00586 (2013.01); E04D 2001/005 (2013.01)] 20 Claims
 
1. A method comprising:
obtaining ingredients comprising (a) a plurality of fragments of at least one of a rock, a mineral, or a combination thereof and (b) a binder, wherein the plurality of fragments of the at least one of a rock, a mineral, or a combination thereof comprises fragments having a particle size passing US Mesh 100 but retained by US Mesh 270;
mixing together the ingredients to produce an unsintered agglomerated particle that is formed by agglomerating together the ingredients; and
coating the unsintered agglomerated particle with a coating to produce a coated particle, the coated particle being configured to be applied to a sheet to form a roofing product,
wherein the at least one of a rock, a mineral, or a combination thereof comprises at least one of basalt, metabasalt, andesite, rhyolite, or a combination thereof, and
wherein the binder is present in the unsintered agglomerated particle in an amount of not more than 8 wt %.