Patent · US Expired

Process for improving the flavor retaining property of polyester/polyamide blend containers for ozonated water

US6042908A · kind A · utility

8Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 1997
Grant dateMar 28, 2000
Priority date
Expiry dateAug 13, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1397
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to a process for minimizing the formation of undesirable byproducts in ozonated liquids comprising the steps of: PA1 providing a container comprising a polyester comprising repeat units from a dicarboxylic acid component comprising at least about 85 mole percent terephthalic acid, 2,6-naphthalenedicarboxylic acid or a mixture thereof and at least about 85 mole percent ethylene glycol; and from about--to about--weight % of at least one polyamide which displays a melting point below that of said polyester, and PA1 filling said container with an ozonated liquid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.