Lubricants containing polymeric additives

Claim 1

A LUBRICATING OIL COMPOSITION COMPRISING A MINERAL OIL AND BETWEEN ABOUT 0.01 AND ABOUT 10.0 WT. PERCENT OF THE TOTAL COMPOSITION OF A POLYMERIC MATERIAL PREPARED BY REACTING A COMPOUND (1) HAVING A FORMULA: H-X-R-Y-H, WHEREIN X AND Y EACH ARE SELECTED FROM THE GROUP CONSISTING OF SULFUR AND OXYGEN, AND R IS SELECTED FROM THE GROUP CONSISTING OF ALKYLENE, ARYLENE, CYCLOALKYLENE, AND CH2COOCH2CH2OOCCH2-, SAID R CONTAINING BETWEEN ABOUT 2 AND ABOUT 60 CARBON ATOMS WITH A HALOGENATED POLYMER (2) PREPARED BY REACTING OIL SOLUBLE POLYMER (3) HAVING A STUDINGER MOLECULAR WEIGHT OF BETWEEN ABOUT 100 AND ABOUT 500,000 AND SELECTED FROM GROUP CONSISTING OF HOMOPOLYMERS OF MONO-OLEFINS, HOMOPOLYMERS OF DIOLEFINS, HOMOPOLYMERS OF ETHYLENICALLY UNSATURATED MONO-CARBOXYLIC ACID ALKYLESTERS, HOMOPOLYMERS OF ALKYL ESTER OF ALPHA, BETA UNSATURATED DICARBOXYLIC ACIDS, COPOLYMERS OF MONO-OLEFINS WITH MONO-OLEFINS HAVING A DIFFERENT NUMBER OF CARBON ATOMS FROM THE OTHER MONO-OLEFIN REACTION, COPOLYMERS OF MONOOLEFINS WITH DIOLEFINS AND COPOLYMERS OF MONO-OLEFINS WITH VINYL-CONTAINING AROMATIC COMPOUNDS, COPOLYMERS OF MONO-OLEFINS WITH THE AFOREMENTIONED UNSATURATED CARBOXYLIC ACID ALKYL ESTER, HOMOPOLYMERS OF VINYL ETHERS AND HOMOPOLYMERS OF VINYL CARBOXYLIC ACID ESTERS, WITH A HALOGENETING AGENT (4); THE REACTION OF (1) WITH (2) BEING CARRIED OUT AT A TEMPERATURE OF BETWEEN ABOUT 25* AND ABOUT 250* C. AND THE MOL RAYE OF SAID REACTANTS (1) AND (2) BEING BETWEEN ABOUT 0.1 TO 1.0 AND ABOUT 1.4 TO 1.0.