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US 11,060,027 B2Granted
Macromolecular antioxidants based on dual type moiety per molecule: structures, methods of making and using the same
AssigneePolnox Corporation
InventorsAshok L. Cholli, Vijayendra Kumar
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Abstract
Disclosed are compounds represented by structural formula methods of producing compounds represented by structural formula, and their use in inhibiting oxidation in an oxidizable material.
Claims10
A method of making a mixture of compounds having the following structure:
- wherein
- R″ is represented by the following formula:
- the method comprising combining a mixture of amine compounds having the following formula:
- with an equimolar amount of a phenol compound having the following formula:
- wherein R is —H or OH or OCH3 or Cl.
2 more elements
A method for preventing oxidation in an oxidizable material, comprising combining the oxidizable material with a mixture of compounds having the following structured formulae:
Dependencies are inferred from the claim text.