	US 11,919,813 B2
	Lime-based cement extender compositions, and associated systems and methods
Nikolas Andrei Romaniuk, Edmonton (CA); Michael John Tate, Oregon, OH (US); Narain Hariharan, South Jordan, UT (US); Jared Ira Leikam, West Jordan, UT (US); Katherine Hyman, Salt Lake City, UT (US); Lucas McFarlane, Salt Lake City, UT (US); and Joseph Lewis, Salt Lake City, UT (US)
Assigned to Graymont Western Canada Inc., Richmond (CA)
Filed by Graymont Western Canada Inc., Richmond (CA)
Filed on Dec. 22, 2022, as Appl. No. 18/087,728.
Claims priority of provisional application 63/293,513, filed on Dec. 23, 2021.
Prior Publication US 2023/0202925 A1, Jun. 29, 2023
Int. Cl. C04B 28/12 (2006.01); C04B 7/34 (2006.01); C04B 7/52 (2006.01); C04B 28/18 (2006.01); C04B 111/00 (2006.01); C04B 111/10 (2006.01)

CPC C04B 28/12 (2013.01) [C04B 7/34 (2013.01); C04B 7/52 (2013.01); C04B 28/184 (2013.01); C04B 2111/00215 (2013.01); C04B 2111/00724 (2013.01); C04B 2111/10 (2013.01)]

11 Claims

1. A lime-based cement extender composition, comprising:

lime particles comprising calcium hydroxide and/or calcium oxide and at least 10% by weight of the composition;

limestone particles comprising calcium carbonate and at least 20% by weight of the composition; and

pozzolan particles comprising silicon dioxide and/or aluminum dioxide and at least 35% by weight of the composition,

wherein at least 90% of the lime particles, limestone particles, and pozzolan particles are less than 75 microns.