General Electric Company

Bl Technologies, Inc.

Edward Joseph Urankar

Larry Neil Lewis

Robert James Perry

Wenqing Peng

Stephen Robert Vasconcellos

Yangang Liang

Shengxia Liu

Xiaoan Xie

Ping Lue

Paul Robert Frail

Muthukumar Nagu

Hongchen Dong

Amutha Nagarajan

Compositions and methods for inhibiting corrosion of metallic surfaces in contact with an aqueous medium such as copper, copper alloy, and steel surfaces of an open recirculating cooling water system. In certain embodiments, an aromatic triazole having an anionic substituent bonded to a nitrogen atom of the triazole (ANST) is used as the corrosion inhibitor. In other embodiments, the corrosion inhibitor is a reaction product of an aromatic triazole and an aldehyde (ATA).

Nitrogen substituted aromatic triazoles as corrosion control agents

The invention relates to a polymer derived from: reaction of glycidyl (meth)acrylate, allyl glycidyl ether or [(vinyloxy)methyl]oxirane with ammonia or primary amine to obtain a mixture of monomer compounds; reaction of the mixture of monomer compounds with at least one of acrylic acid, vinyl alcohol, vinyl acetate, acrylamide, methylacrylic acid, and methylacrylamide to obtain an intermediate polymer; and reaction of the intermediate polymer with a dithiocarbamic acid salt. Methods for using the polymer are also described herein.

Polymer and method for using the same

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Trevose, PA, United States of America

Edward Joseph Urankar