Patent Number: 6,441,240

Title: Method for inhibiting the deposition of white pitch in paper production

Abstract: Ethyleneamine compound(s), or mixtures thereof, are used in effective amounts to reduce or inhibit the deposition of white pitch on the paper making equipment during the processing to recycle coated paper.

Inventors: Croft; Alan P. (Lake Jackson, TX)

Assignee: Huntsman Ethyleneamines Ltd.

International Classification: D21C 9/08 (20060101); D21C 9/00 (20060101); D21H 21/00 (20060101); D21H 21/02 (20060101); D21C 5/02 (20060101); D21H 17/00 (20060101); D21H 17/07 (20060101); C07C 211/13 (); D21C 005/02 ()

Expiration Date: 08/27/2019