Back to results
US 12,303,860 B2Granted
Oxygen scavenger composition and production method for same
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsDaiki Sato, Atsushi Inoue
Life of this patent
Estimating the term…
Abstract
An oxygen scavenger composition including a mixed granule that includes a water retention agent, a swelling agent, a metal salt, water, and iron, as well as a method for producing the oxygen scavenger composition, the method including: collectively mixing a water retention agent, a swelling agent, a metal salt, water, and iron for granulation.
Claims5
An oxygen scavenger composition comprising a mixed granule of a composition that comprises a water retention agent, a swelling agent, a metal salt, water, and iron,
- which has an average particle size of 0.3 mm or more and 5.0 mm or less,
- wherein the mixed granule is not a pressure-molded product, and
- wherein the iron is dispersed throughout the entire mixed granule, and
- wherein a content of the iron in the oxygen scavenger composition is 40 mass % or more and 90 mass % or less, of the oxygen scavenger composition, and
- wherein a content of the swelling agent in the oxygen scavenger composition is 1 part or more by mass and 15 parts or less by mass per 100 parts by mass of the iron, and
- wherein the swelling agent contains at least one type selected from the group consisting of carboxymethylcellulose calcium, carboxymethylcellulose sodium, calcium bentonite, and sodium bentonite.
3 more elements
Dependencies are inferred from the claim text.