Patent ID: 11905488
Assignee: INFINEUM INTERNATIONAL LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 8:
9. A transmission fluid composition according to claim 1, further comprising an additional basic nitrogen-containing ashless dispersant of structure (IV):, wherein:
R11 and R12 are each independently a hydrocarbyl group having a number average molecular weight (Mn) from 500 to 5000 Daltons, as determined by GPC with reference to linear polystyrene standards;
each R13 is independently hydrogen, an acetyl moiety, or a moiety formed by reaction between ethylene carbonate and >N—R13; and
y is from 3 to 10 and is the same for all molecules of structure (IV) or is an average of all molecules of structure (IV) in a mixture of molecules of structure (IV).