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US 12,060,474 B2Granted
Oxygen scavengers, compositions comprising the scavengers, and articles made from the compositions
AssigneePlastipak Packaging, Inc.
InventorsShenshen Li, Matthew J. Dauzvardis
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Abstract
The disclosure relates to oxygen scavenging molecules, compositions, methods of making the compositions, articles prepared from the compositions, and methods of making the articles. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
Claims11
A compound having the formula
- wherein n is 3 or greater;
- and wherein each of R8 and R9 is independently selected from hydrogen, halogen, C1-C4 alkyl, and electron withdrawing groups.
A compound having a structure represented by a formula:
- wherein each Q is independently N or P;
- wherein R33 represents four groups, each group independently selected from hydrogen, halogen, C1-C4 alkyl, electron donating groups, and
- wherein R36 represents four groups independently selected from hydrogen, halogen, C1-C4 alkyl, and electron donating groups;
- wherein each Q2 is independently N or P;
- wherein R34 represents four groups, each group independently selected from hydrogen, halogen, C1-C4 alkyl, and electron donating groups;
- and
- wherein R35 represents four groups, each group independently selected from hydrogen, halogen, C1-C4 alkyl, and electron donating groups.
4 more elements
Dependencies are inferred from the claim text.