Patent ID: 11932824
Assignee: EQUUS UK TOPCO LTD
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A method of inhibiting corrosion on a metal component comprising:
adding to a base oil or lubricant an effective amount of a polyester corrosion inhibitor obtained by reacting at least one polyol with an alk(en)yl substituted succinic anhydride, wherein the average number of succinic groups per alk(en)yl group is less than 3.0, wherein the alk(en)yl group is a C6-C20 alkene, and wherein the polyester corrosion inhibitor composition further comprises an additive comprising a dispersant, anti-oxidant, antiwear agent, emulsifier, demulsifier, detergent, viscosity index improver, defoamer, pour point depressant, friction reducing additive, extreme pressure agent, or a combination thereof; and
contacting the base oil or lubricant with the metal component.