The Quaker Oats Company

James R Kirkwood

Subodh K Raniwala

Warren A Gordon

Walter L Hempenius

Sanjay H Holay

A method for making a crisp rice product comprising the steps of (a) extrusion-cooking a moist mix of ingredients the ingredients comprising at least about 50% uncooked rice flour on a dry weight basis, in a screw-type extruder, the screw-type extruder comprising an elongated barrel having a feed end and a discharge end and a passageway therebetween and a single elongated screw snugly and rotatably residing within the passageway, the screw having a non-adhesive, anti-stick coating; (b) expressing the cooked mix from the extruder through a die under expanding conditions; (c) cutting the expressed mix into discrete pieces; (d) drying the cut pieces, and (e) toasting the dried pieces.

Method for manufacturing crisp rice

A method is disclosed for making a highly expanded, porous oat cereal product having a density of below about 12 ounces per 121.5 cubic inches comprising the steps of:

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Arlington Heights, IL, United States of America

James R Kirkwood