US 7,923,587 B2 · Anti-oxidant macromonomers and polymers and methods of making and using the same

Abstract

The present invention relates to macromonomer compounds possessing antioxidant properties, antioxidant polymers comprising the antioxidant macromonomers as a recurring unit, and methods of inhibiting oxidation in a substance comprising contacting the substance with the antioxidant polymers. In one embodiment, substantially all of the recurring macromonomeric units of the antioxidant polymers comprise an antioxidant moiety. In another embodiment, all of the recurring macromonomer units of the antioxidant polymers comprise an antioxidant moiety. The method of the present invention, yields antioxidant polymers with substantially all of the recurring units comprising an antioxidant moiety. These antioxidant polymers have greater bulk antioxidative properties than previously known.

Claims2

Dependent claims

A compound represented by the following structural formula:

wherein, independently for each occurrence:
R is —H, C1-6 alkyl, —OH, —NH2, —SH, aryl, ester or
R1 is —H, C1-6alkyl, aryl, aralkyl, —OH, —NH2, —SH or ester, wherein at least one R1 adjacent to the —OH group is a bulky alkyl group;
M is:
R2 is —H, C1-6 alkyl, —OH, —NH2, —SH aryl, ester or
wherein R2 in the para position is —OH;
wherein at least one R2 adjacent to the para position is —OH.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

12/154,911Filed 28 May 2008 · continuation

Priority

23 Jul 2004

Published

US 2008/0311065 A118 Dec 2008

Granted

12 Apr 2011

Term ends

Not estimatedThe source records don’t support an estimate.

Classification29 codes

C09K 15/08
Containing oxygen: containing a phenol or quinone moiety
C07C 37/002
By modification in a side chain: by transformation of a functional group, e.g. oxo, carboxyl
C07C 45/46
By condensation: friedel-Crafts reactions
C07C 49/83
Containing hydroxy groups: polycyclic

Family

Application60/590,575Us provisional application · filed 23 Jul 2004

Application60/590,646Us provisional application · filed 23 Jul 2004

Application11/184,724Parent of this continuation · filed 19 Jul 2005

US 2008/0311065 A1Pre-grant publication · published 18 Dec 2008

US 2006/0041094 A1Published application

US 7,923,587 B2This patent

From the US filing history. Foreign family members aren’t listed.

Anti-oxidant macromonomers and polymers and methods of making and using the same

Life of this patent

Anti-oxidant macromonomers and polymers and methods of making and using the same

Life of this patent

Abstract

Claims2