Processing for producing zein articles with limited solubility

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United States of America Patent

PATENT NO 7771528
APP PUB NO 20090044722A1
SERIAL NO

11893463

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Abstract

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Zein articles are prepared by a melt process where zein is mixed with glyoxal and an inorganic base solution at temperatures above about 40° C. The melt processing can take as a batch process (e.g., as in a torque rheometer) or in a continuous process (e.g., as in reaction extrusion using a screw extruder). This process provides a zein article that has greatly reduced solubility in most of the standard organic solvents that will dissolve unaltered zein.

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Patent Owner(s)

Patent OwnerAddress
UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF AGRICULTURE THEWASHINGTON DC 20250

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Selling, Gordon W Dunlap, US 12 33
Woods, Kristen K Peoria, US 1 1

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