Patent 7727309 was granted and assigned to Allied Healthcare Products, Inc. on June, 2010 by the United States Patent and Trademark Office.
A carbon dioxide absorbent suitable for use in anesthesiology during low flow or closed circuit made of from 70 to 90% hydrated lime, from 0.1 to 17% of lithium hydroxide or its precursor, or a combination thereof, and from 5 to 25% water, wherein the absorbent provides low Compound A by-product, and high absorbency.