US PATENT SUBCLASS 426 / 541
.~ Containing antioxidant or antioxidant per se

Current as of: June, 1999
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426 /   HD   FOOD OR EDIBLE MATERIAL: PROCESSES, COMPOSITIONS, AND PRODUCTS

531  DF  PRODUCTS PER SE, OR PROCESSES OF PREPARING OR TREATING COMPOSITIONS INVOLVING CHEMICAL REACTION BY ADDITION, COMBINING DIVERSE FOOD MATERIAL, OR PERMANENT ADDITIVE {29}
541.~ Containing antioxidant or antioxidant per se {2}
542  DF  .~.~> Of plant or animal matter of unknown chemical structure {1}
544  DF  .~.~> Organic active chemical containing {3}

DEFINITION

Classification: 426/541

(under subclass 531) Subject matter involving the association of a food with a compound or composition which preserves or protects the food against deterioration due to the presence

of air or oxygen.

(1) Note. Placement of a patent herein requires (1) A claim which recites the added material to be an antioxidant or that the food material is subject to oxidation, or (2) disclosure that the added material functions as an antioxidant.

(2) Note. A synergist or potentiator for an antioxidant is considered to be an active ingredient for this subclass.

SEE OR SEARCH CLASS

252, Compositions,

397+, for compositions specialized and designed for use as antioxidants. 554, Organic Compounds, for the subject matter of that class in association with a preservative, particularly

2+, for a fat or oil with a preservative.

585, Chemistry of Hydrocarbon Compounds,

1+, for a hydrocarbon mixed with a preservative, e.g., an olefin polymerization retarder, etc..