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

Claim 14:
15. The process for preparation of the corrosion inhibitor formulation as claimed in claim 14, wherein obtaining the at least one quaternary ammonium salt comprises: (a) contacting (i) at least one fatty alcohol; and (ii) chloroacetyl chloride, in the presence of at least one solvent at a temperature in a range of 0-5° C. for a period of 1-6 hours to obtain a first mixture; (b) contacting the first mixture, and at least one tertiary amine at a temperature in a range of 25-95° C. for a period of 6-24 hours to obtain a compound of Formula I; (c) contacting the compound of Formula I with alkyldimethylbenzylammonium chloride at a temperature in a range of 25-95° C. for a period of 6-24 hours to obtain the at least one quaternary ammonium salt.