Patent ID: 11905604
Assignee: HINDUSTAN PETROLEUM CORPORATION LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC C | IPC C

Claim 3:
4. The corrosion inhibitor formulation as claimed in claim 1, wherein the at least one quaternary ammonium salt is a combination of alkyldimethylbenzylammonium chloride and a compound selected from the group consisting of Formula I, , and Formula II,, , wherein Y is selected from —NH, —NC1 alkyl;
X is selected from O or S;
A is selected from fluoro, chloro, bromo or iodo;
R1 is C1-20 alkyl, wherein the C1-20 alkyl is optionally substituted with C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, and C5-6 aryl; and n and m are independently 5 to 10; and
R2 and R3 independently are C1 alkyl.