Polymeric monohydroxybenzenoid hydroquinoid antioxidants
AssigneeStandard Oil Company (Indiana)
InventorCarl Serres, Jr.
Life of this patent
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Abstract
Compositions of oxidizable organic materials having stabilizing amounts of polymeric monohydroxybenzenoid hydroquinoid antioxidants of from about 500 to about 10,000 molecular weight, and the said polymers which are the reaction products of an alpha, alpha' alkyl aromatic compound containing a benzenoid ring, a hydroquinone compound and a monohydroxy benzenoid compound.
Claims13
A composition comprising a monohydroxybenzenoid hydroquinoid polymer and an oxidizable organic material normally subject to adverse effects by oxygen selected from the group consisting of edible lipids including animal and vegetable fats and oils, wherein the said oxidizable organic material is stabilized against oxidative degradation by a stabilizing amount of said monohydroxybenzenoid hydroquinoid polymer which is of the formula ##STR6## wherein R is a benzenoid ring group selected from the group consisting of benzene, naphthalene, biphenyl, diphenylmethane, thiophene, benzothiophene and dibenzothiophene moieties, wherein Ar is a benzenoid ring group selected from the group consisting of phenyl, naphthyl, anthranyl and phenanthranyl groups, and wherein R' is an alkyl group of 9 to 18 carbon atoms, and R", R"', R"" and R""' are independently selected from a group consisting of hydrogen, alkyls of one to 26 carbon atoms and aralkyls of from 7 to 26 carbon atoms, x and y are of the ratio of from 1:1 to 1:3 and n is an integer of from one to 20.
Dependencies are inferred from the claim text.