Lubricating composition

Claim 1

A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND ABOUT 0.1 TO 5% BY WEIGHT BASED ON THE TOTAL COMPOSITION, OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, (2) AN ACYLATED LINEAR POLYMER OF A 1M2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID LINEAR POLYMER WITH AN ACYLATING AGENT, SAID ACYLATING AGENT HAVING 7-39 CARBOM ATOMS AND BEING SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC CARBOXYLIC ACIDS, AROMATIC POLYCARBOXYLIC ACIDS, AND PRECURSORS THEREOF EACH CAPABLE OF FORMING SAID ACID IN SAID REACTION, (3) AN OIL-SOLUBLE OXYALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYELEN UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER WITH AN ALKYLENE OXIDE HVING 2-8 CARBON ATOMS, (4) AN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (5) AN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 70*C. TO ABOUT 100*C., SAID POLYMER WITH AN OLEFINATING AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, STYRENE, BUTADIENE, VINYL ETHERS, AND VINYL SULFONES, (6) A SCHIFF BASE REACTION PRODUCT OF A LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING SAID POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (7) AN ACYLATED, THEN OXYALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 125*C. TO ABOUT 300*C., SAID LINEAR POLYMER WITH A ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., WITH AN ALKYLENE OXIDE HAVING 2-8 CARBON ATOMS, (8) AN OXYLATED, THEN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, SAID ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER WITH AN ALYLENE OXIDE HAVING 2-8 CARBON ATOMS AND THEN REACTING SAID OXYALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (9) AN ALKYLATED, THEN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, AND THEN REACTING SAID ALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (10) AN ACYLATED, THEN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYMER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON STOMS AND NII) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250* C., WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (11) AN OXYALKYLATED, THEN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 220*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER WITH AN ALKYLENE OXIDE HAVING 2-8 CARBON ATOMS, AND THEN REACTING SAID OXYALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (12) A SCHIFF BASE REACTION PRODUCT OF AN ACYLATED LINEAR POLYMER OF A 1,2-ALKYENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYMER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (13) A SCHIFF BASE REACTION PRODUCT OF AN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-3 CARBON ATOMS, AND THEN REACTING SAID ALKYLATED POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (14) AN OXYALKYLATED SCHIFF BASE REACTION PRODUCT OF A LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID LINEAR POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS FORMED BY REACTING SAID LINEAR POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES TO FORM SAID SCHIFF BASE REACTION PRODUCT AND THEN REACTING SAID SCHIFF BASE REACTION PRODUCT, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., WITH AN ALKYLENE OXIDE HAVING 2-8 CARBON ATOMS, (15) AN ACYLATED, THEN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID LINEAR POLYMER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 70*C. TO ABOUT 100*C., WITH AN OLEFINATING AGENT SELECTED FROM THE GROUP, CONSISTING OF ACRYLONITRILE, STYRENE, BUTADIENE, VINYL ETHERS AND VINYL SULFONES, AND (16) AN ALKYLATED, THEN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT