IP Library › Granted Patent US 7,956,153
Granted Patent B2
US 7,956,153 · App. 12/789,843 · Granted Jun 7, 2011

Macromolecular antioxidants based on sterically hindered phenols and phosphites

Assignee: Polnox Corporation
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Quick Facts
Patent No.
US 7,956,153
App. No.
12/789,843
Granted
Jun 7, 2011
Kind
B2
Abstract

Sterically hindered phenol and phosphite based compounds represented by structural formula II: and their use as antioxidants in a wide range of materials including, but not limited to, food, plastics, elastomers, composites and petroleum based products is disclosed herein.

Claims (4)

1. A compound represented by Structural Formula II:

where R is represented by the following structural formula:

where m is an integer from 0 to 12.

2. The compound of claim 1 , wherein the compound is represented by the following structural formula:

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2010
From: CHOLLI, ASHOK L.; KUMAR, RAJESH
To: POLNOX CORPORATION
Reel/Frame 024824/0239 →
Continuity (3)
Continuation 11293844 · Dec 2, 2005
Provisional Application 60633196 · Dec 3, 2004
Related Publication 20100305361A1 · Dec 2, 2010