Sulfur adsorbent for reducing onion or garlic breath odor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6403642
SERIAL NO

09638837

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Abstract

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Compositions for adsorbing sulfur-containing compounds and eliminating or reducing odors associated with the ingestion of foods or medicines causing sulfur odor, such as garlic and onions, contain a metal complex of a substrate and a ligand. The complex may be contained in a carrier, such as a silica gel, and has low solubility in an aqueous environment. The ligand of the compositions may comprise an amino acid containing sulfur, nitrogen, or a carboxylic acid, such as cystine, and the substrate is a metal which may be copper, zinc, or iron.

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Patent Owner(s)

Patent OwnerAddress
PQ CORPORATIONP O BOX 840 VALLEY FORGE PA 194820840

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berg, Kenneth A North Wales, PA 4 26

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