C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 133/54 (2006.01) C10M 137/04 (2006.01) C10M 139/00 (2006.01) C10M 141/10 (2006.01) C10M 141/12 (2006.01) C10M 161/00 (2006.01) C10M 167/00 (2006.01)
Patent
CA 2176443
This invention relates to a composition, comprising: (A) an acylated amine having a base number in the range of about 45 to about 90, said acylated amine being the product made by contacting (A)(I) at least one carboxylic acid acylating agent with (A)(II) at least one polyamine, said polyamine (A)(II) being selected from the group consisting of (A)(II)(a) a product made by contacting at least one hydroxy material with at least one amine, (A)(II)(b) an alkylene polyamine bottoms product, and (A)(II)(c) a product made by contacting a hydroxy material with an alkylene polyamine bottoms product; (B) a boron compound; and (C) an organic phosphorus acid or ester, or derivative of said phosphorus acid or ester. In one embodiment, this composition further comprises (D) a thiocarbamate. In one embodiment, this composition further comprises (E) a nitrogen- containing ester of a carboxy-containing interpolymer. These compositions are useful as additives for lubricants and functional fluids, and are particularly useful as additives for automatic transmission fluids for enhancing the torque characteristics such automatic transmission fluids.
Geibach Rolf V.
Tipton Craig D.
Ward William C. Jr.
Ridout & Maybee Llp
The Lubrizol Corporation
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