US 12,330,341 B2
Recycled asphalt pellet with reduced airborne fiberglass
William R. Bailey, Tumwater, WA (US); and William P. Dempsey, Issaquah, WA (US)
Assigned to CERTAINTEED LLC, Malvern, PA (US)
Filed by CERTAINTEED LLC, Malvern, PA (US)
Filed on Jan. 24, 2024, as Appl. No. 18/421,541.
Claims priority of provisional application 63/514,491, filed on Jul. 19, 2023.
Prior Publication US 2025/0026046 A1, Jan. 23, 2025
Int. Cl. B29B 17/00 (2006.01); B29K 95/00 (2006.01); B29K 105/26 (2006.01); C04B 18/02 (2006.01)
CPC B29B 17/0036 (2013.01) [B29B 2017/001 (2013.01); B29K 2095/00 (2013.01); B29K 2105/26 (2013.01); C04B 18/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A batch of recycled asphalt shingle pellets, each pellet comprising:
a core comprising a recycled asphalt shingle waste and a softening agent;
a shell comprising no greater than 5% recycled asphalt shingle waste;
wherein the batch comprises a large fiberglass sieve factor, FL, of at least 98.2 wt. %.