Reaction products of high molecular weight carboxylic acid esters and certain carboxylic acid acylating reactants

Claim 2

An oil-soluble reaction product according to claim 2 where said oil-soluble ester (A)IS AT LEAT ONE ESTER OF A MONO-or polycarboxylic acid or anhydride with at least one polyhydric alcohol having three to 10 aliphatic carbon atoms and at least three hydroxyl groups wherein the mono-o or polycarboxylic acid or anhydride is one derived from the reaction of a poly(1-mooolefin) or chlorinate poly(1-monolefin)having an average molecular weight of about 700 to abou5,00 with an Alpha , Beta -ethylenically unsaturated mono- or po,ycarboxylic acid or anhydrice and wherein said contacting of (A) AND (B( is carried out at a temperature of about 100*C. to about 250*C.

Claim 3

An oil-soluble reaction product according to claim 2 where said acylating raactant (B) is an aliphatic acylating reactant containgn one to sic carbon atoms. 5. An oil-soluble reaction product according 5to claim 4 wherein said plyhdric alcohol is a polynydric alkanol and said acylating reactnt (B)IS SELECTED FROM MALEIC ANHYDRIDE, MALIEIC ACID, SUCCINIC ANHYDRIDE, SUCCINIC ACID, OR FUMARIC ACID. ". An oil-soluble reactionproduct according to claim 5 wherein said polyhydrid alkanol is selected from the class conssiting of agycerol erythritol, pentaerythritol, mannitol, ans sorbitol.

Claim 4

An oil-soluble reaction product accordinqto claim 2 wherein said equivalent ratio of acylating agent to polyhydri alcohol is about b 1:1.1 l to about1:4.

Claim 5

An oil soluble reaction product according to claim 7 where said oil-soluble ester(A) is at least one ester of a substituted succinic acid wherein the substituent is a substantially saturated aliphatic substituent containing at least about 50 aliphatic carbon atoms.

Claim 6

An oil-soluble product according to claim 9 wherein the acylating reactnat (B) is an aliphatic acylating reactant containing oe to six carbon atoms.

Claim 7

An oil-soluble reaction rprodc acdroding to claim 10 wherein said doil-soluble ester(A) IS AN ESTER OF A POLHYDRYCI ALIPHATIC ALDOHOL OF UP TO TEN CARBON ATOMS CHARACTERIZED BY THE PRESENCE OF AT LEAST THREE HYDROXYL GROUPSL -@.-. An oil-soluble reaction product according to claim 11 wherein the polyhydric alcohol is a polhydriric alkanol, the acylating reactant (B) is selected from the class consisting of maleic anhydride maleic acid, succinic ahhydride, succinic acid, and fumaric acid.

Claim 8

An oil-soluble reaction product according to claim 12 wherein said oil-soluble ester (A) is a diester of polyisobutenyl-substituted succinic acid aNd a polhydric alkanol selected from the laass consisting of glycerol, erthritol, pentaerythritol, mannitol, and sorbitol.

Claim 9

An aol-soluble reaction product according to claim 8 where said oil-soluble estr(Q) is a diester of a ployolefin-substituted succinic acid wherein the polyolefin substtuent has a a molecular weight of about 700 to about 5,000 and not more than about 5 percent of the carbon-to-carbon convalent linkages in this substituent are unsaturated linkages.