Transition metal carboxylates as catalysts for oxygen scavenging
US7052628B2 · kind B2 · utility
8Cited by
41References
37Claims
0Family size
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Key dates
| Filing date | Nov 19, 2003 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Feb 28, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/012
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein are oxygen scavenging compositions and packaging articles that comprise (a) a metal catalyzed oxidizable compound and (b) at least one of a transition metal carboxylate, wherein the transition metal carboxylate comprises at least one carboxylate group and wherein each carboxylate group comprises between 20 and 30 carbon atoms, inclusive, such as cobalt behenate or cobalt arachidate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.