US 12,420,258 B2
Diatomaceous earth composition with a low endotoxin content
Karl Pflanz, Gleichen (DE); Florian Hebenstreit, Beberstedt (DE); and Andreas Pickl, Klein Schneed (DE)
Assigned to Sartorious Stedim Biotech GmbH, Gottingen (DE)
Filed by Sartorius Stedim Biotech GMBH, Göttingen (DE)
Filed on Jan. 23, 2024, as Appl. No. 18/420,145.
Application 18/420,145 is a division of application No. 16/648,521, granted, now 11,911,741, previously published as PCT/EP2018/077456, filed on Oct. 9, 2018.
Claims priority of application No. 17001714 (EP), filed on Oct. 17, 2017.
Prior Publication US 2024/0261754 A1, Aug. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B01J 20/14 (2006.01); A61L 2/08 (2006.01); B01D 37/02 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B65B 55/02 (2006.01); B65D 65/40 (2006.01); C12M 1/00 (2006.01)
CPC B01J 20/14 (2013.01) [A61L 2/081 (2013.01); B01D 37/02 (2013.01); B01J 20/28004 (2013.01); B01J 20/28016 (2013.01); B01J 20/2805 (2013.01); B01J 20/3028 (2013.01); B65B 55/02 (2013.01); B65D 65/40 (2013.01); C12M 47/02 (2013.01); C12M 47/10 (2013.01); A61L 2202/21 (2013.01)] 13 Claims
 
1. A diatomaceous earth composition with a low endotoxin content, comprising an agglomerated mixture of calcined diatomaceous earth particles and water, wherein the mass ratio of calcined diatomaceous earth particles and water is in the range of 1:1.0 to 1:2.0, and wherein the endotoxin content of the diatomaceous earth composition is equal to or less than 0.5 EU/mL.