Ashland, Inc.

Linda M Hlivka

George K Wai

Bruce L Libutti

Joseph Mihelic

The invention relates to a composition useful for cleaning metal surfaces immersed in an aqueous system. The composition comprises as a mixture: an organic carboxylic acid; a non chelating amine; a chelating agent; and preferably a sulfur-containing polymer.

Liquid metal cleaner for aqueous system

This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a derivatized cationic guar, and (2) styrene maleic anhydride copolymer. The invention also relates to a process for inhibiting pitch deposition in pulp and papermaking systems and on papermaking equipment.

Pitch control composition based on blend of derivatized cationic guar

This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a derivatized cationic guar, and (2) styrene maleic anhydride copolymer. The invention also relates to a process for inhibiting pitch deposition in pulp and papermaking systems and on papermaking equipment

Process for controlling the deposition of pitch with a blend of

This invention relates to a liquid composition for the control of pitch deposition in acid pulp and paper making operations comprising a derivatized cationic guar and an alkali metal polyacrylate dispersant. The invention also relates to a process for inhibiting pitch deposition on paper making equipment.

Pitch control composition

This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a derivatized cationic guar, and (2) a nonionic polymer. The invention also relates to a process for inhibiting pitch deposition in pulp and papermaking systems and on papermaking equipment

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Flemington, NJ, United States of America

Linda M Hlivka