D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
9/62
D21H 21/02 (2006.01)
Patent
CA 1080409
ABSTRACT OF THE DISCLOSURE Pitch formation in paper mill pulp systems may be inhibited by treating such systems at a point prior to where pitch deposits normally occur with at least 0.5 ppm based on the weight of the pulp of a composition comprising: Ingredients % by Weight Non-ionic surfactant 50 - 20 Anionic dispersant 45 - 15 Aminophosphonate chelant 45 - 15
267751
Na
Nalco Chemical Company
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