Process for reduction of acetaldehyde and oxygen in beverages contained in polyester-based packaging
US6569479B2 · kind B2 · utility
13Cited by
40References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 27, 2002 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Mar 27, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for reducing acetaldehyde concentration in beverages contained in polyester-based packaging, wherein oxygen permeation into the container is reduced or eliminated. The polyester contains an oxidation catalyst active for the oxidation of acetaldehyde to acetic acid. A composition comprising a polyester and said oxidation catalyst. A polyester-based container comprising said oxidation catalyst, and a bottled beverage having a polyester-based container comprising an oxidation catalyst active for the oxidation of acetaldehyde to acetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.