US PATENT SUBCLASS 426 / 425
.~ Extraction utilizing liquid as extracting medium

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

665  DF  PROCESSES {25}
425.~ Extraction utilizing liquid as extracting medium {4}
426  DF  .~.~> Removing water from solid using nonglyceridic liquid
427  DF  .~.~> Removing caffein or tannin {1}
429  DF  .~.~> Liquid is organic {1}
431  DF  .~.~> Liquid is aqueous {4}

DEFINITION

Classification: 426/425

(under subclass 230) Processes involving the extraction of a constituent from a starting material utilizing a liquid.

(1) Note. The patents herein generally relate to the use of the solventizing action of liquids.

SEE OR SEARCH THIS CLASS, SUBCLASS:

312+, for the treatment of a food material with a gas which is other than air, CO2, Nitrogen, water, the inert gases or mixtures solely composed of these gases.

422+, for the treatment of a liquid extract with a solid or liquid proper for that subclass.

438+, for a method of removing water using a heated glyceridic fat or oil. 442, for the removal of adhering dirt or debris using an additive which is other than water.

476, for a separation process involving the contacting of steam with a liquid.

506+, for the removal of adhering dirt or debris, and for the treatment of a solid with steam.