US 12,435,000 B2
Compositions and methods for making blended supplementary cementitious materials
John M. Guynn, Salt Lake City, UT (US)
Assigned to ROMAN CEMENT, LLC, Salt Lake City, UT (US)
Filed by ROMAN CEMENT, LLC, Salt Lake City, UT (US)
Filed on Sep. 5, 2023, as Appl. No. 18/242,445.
Application 18/242,445 is a continuation of application No. 16/944,587, filed on Jul. 31, 2020, granted, now 11,746,048.
Application 16/944,587 is a continuation in part of application No. 16/241,994, filed on Jan. 8, 2019, granted, now 11,655,186.
Application 16/241,994 is a continuation in part of application No. 15/862,854, filed on Jan. 5, 2018, granted, now 10,233,116, issued on Mar. 19, 2019.
Application 15/862,854 is a continuation of application No. 15/332,468, filed on Oct. 24, 2016, granted, now 10,494,298, issued on Dec. 3, 2019.
Claims priority of provisional application 62/245,399, filed on Oct. 23, 2015.
Prior Publication US 2023/0406764 A1, Dec. 21, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C04B 7/00 (2006.01); C04B 7/02 (2006.01); C04B 7/13 (2006.01); C04B 7/147 (2006.01); C04B 7/26 (2006.01); C04B 7/28 (2006.01); C04B 20/02 (2006.01); C04B 40/00 (2006.01)
CPC C04B 7/13 (2013.01) [C04B 7/02 (2013.01); C04B 7/147 (2013.01); C04B 7/26 (2013.01); C04B 7/28 (2013.01); C04B 20/026 (2013.01); C04B 40/0042 (2013.01); C04B 2201/50 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A blended supplementary cementitious material (SCM) formed by intergrinding:
an SCM selected from the group consisting of calcined clay, metakaolin, fly ash, bottom ash, shale dust, metallurgical slags, and waste glass; and
a non-lime-bearing material selected from the group consisting of limestone that has not been calcined to form calcium oxide (CaO), fine aggregate, sand, basalt, sinters, ceramics, recycled bricks, recycled concrete, and refractory materials.