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Primary Examiner: Wyse, Thomas G.
Assistant Examiner: Therkorn, Ernest G.
Attorney: Baker; William L., Parker; C. E.

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Title: Pelleting aid for agricultural products

Abstract: The pelleting of fibrous agricultural material, such as beet pulp is facilitated by the incorporation of a mixture of expanded vermiculite and/or finely divided vermiculite ore with an organic material which may be animal fat or a vegetable oil product such as cottonseed oil.

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Inventors: Wortham, Joseph Sidney (Brownsville, TN, US)
Johnson, Ernest Carlisle (Memphis, TN, US)

Application Number: 626569
Filing Date: 1975-10-28
Publication_date: 1977-07-05
Assignee: W. R. Grace & Co. (Cambridge, MA)
Primary Class(es): 426/531 71/24, 71/904, 426/283, 426/635
Other Classes:
US Patent Ref:

1972390	Nov, 1931	Miner	71/64.
1991242	Feb, 1935	Cole	71/23.
2341800	Feb, 1944	Martin et al.	71/1.
2369097	Feb, 1945	Wilkins	71/64.
3035920	May, 1962	Knodt	426/74.
3077395	Feb, 1963	Ridgeway	71/64.
3137565	Jun, 1964	Hayes	71/64.
3155521	Nov, 1964	Ward	426/74.
3186828	Jun, 1965	Baarson	71/64.
3284209	Nov, 1966	Kelly	426/74.
3369884	Feb, 1968	Barron	71/28.
3467525	Sep, 1969	Hale	426/805.
3560190	Mar, 1971	Hughes	71/5.
3686134	Aug, 1972	Robinson	71/64.
3942969	Mar, 1976	Carroll	71/5.

Other Refs: Other References: Hardesty and Kumagai, Agricultural Chemicals, Feb.-Mar. 1952, pp. 38, 38A, 38B, 38C, 38D, 39, 145, 117.