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Microwave treatment of package foods |
| T971007 |
Microwave treatment of package foods
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| Patent Drawings: | |
| Inventor: |
Hecht |
| Date Issued: |
June 6, 1978 |
| Application: |
05/713,353 |
| Filed: |
August 11, 1976 |
| Inventors: |
Hecht; James L. (Richmond, VA)
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| Assignee: |
E. I. du Pont de Nemours and Company (Wilmington, DE) |
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| U.S. Class: |
426/107; 426/234 |
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| Abstract: |
the shelf-life of food is improved by sterilizing such food by heating it in a container having oxygen barrier properties, by microwave energy, for a time and temperature necessary to produce sterilization. Such container is formed of a laminate including an organic polymeric material coated with an inorganic glassy barrier material and with a heat-sealable topcoat. The coating is from 0.02 to 2 microns thick and includes over 50% metal phosphate selected from aluminum and iron phosphates. The atom ratio of metal to phosphorus is about from 2.2 to 0.5 and up to about 50% of the metal ions may be replaced by tin, titanium or zirconium ions. |
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