公开(公告)号：US20240392139A1

公开(公告)日：2024-11-28

申请号：US18797376

申请日：2024-08-07

Applicant: ECOLAB USA Inc.

Inventor： Steven R. HATCH ,  Ashish DHAWAN ,  Carter M. SILVERNAIL ,  Pradeep CHERUKU

IPC: C09D5/08 ,  C08K5/3447 ,  C09D179/02

Abstract: A method of preventing formation of rust on a metal surface is provided. The method may include applying a polyamine onto the metal surface and applying a compound of formula (I) or salt thereof onto the metal surface. The compositions and methods disclosed herein may be used to inhibit corrosion of a metal surface in contact with an aqueous system.

公开(公告)号：US20230053321A1

公开(公告)日：2023-02-16

申请号：US17878409

申请日：2022-08-01

Applicant: ECOLAB USA INC.

Inventor： Pradeep CHERUKU ,  Patricia GILLENWATER ,  Nicolas LEFLEMME ,  Alexander MANTIS ,  James Joseph MICHELS ,  Suresh R. SRIRAM

IPC: C07D401/04 ,  C07D235/12 ,  C23F11/14

Abstract: 2-substituted benzimidazoles and methods of preparing the same are disclosed. The compositions may include a compound or salt thereof, a strong acid, and a carboxylic acid. The compositions may exclude a polar aprotic solvent. The compositions may be used to inhibit corrosion of a metal surface in contact with an aqueous system, and provide enhanced protection against corrosion of metals in the aqueous system.

公开(公告)号：US20210301151A1

公开(公告)日：2021-09-30

申请号：US17186631

申请日：2021-02-26

Applicant: ECOLAB USA INC.

Inventor： Steven R. HATCH ,  Jothibasu SEETHARAMAN ,  Ashish DHAWAN ,  Carter M. SILVERNAIL ,  Santanu BANERJEE ,  Pradeep CHERUKU

IPC: C09D5/08 ,  C09D179/02

Abstract: A method of preventing formation of rust on a metal surface is provided. The method may include applying a polyamine onto the metal surface and applying a compound of formula (I) or salt thereof onto the metal surface. The compositions and methods disclosed herein may be used to inhibit corrosion of a metal surface in contact with an aqueous system.