METHOD FOR PRESERVING FOOD
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 12, 2012
app pub date -
Feb 1, 2010
filing date -
Feb 26, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A method for preserving food. The food is heated in a moist state in a container, which has a venting opening and is suited as transport and retail packaging, by way of microwaves (M) for a limited time, however at least until hot steam (D) forms in the container and exits through the venting opening. After the heating has ended, a gas (G) is injected into the container using a cannula, and a container wall made of a plastic film is pierced with the cannula. The plastic film that is used has a thickness of less than 100 μm. At least one layer of the plastic film is made of polyethylene terephthalate having a thickness of greater than 19 μm.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CONAGRA FOODS RDM INC | 222 W MERCHANDISE MART PLAZA SUITE 1300 CHICAGO IL 60654 |
International Classification(s)

- 2010 Application Filing Year
- A23L Class
- 1088 Applications Filed
- 467 Patents Issued To-Date
- 42.93 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Keller, Karl | Rafz, CH | 67 | 289 |
# of filed Patents : 67 Total Citations : 289 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- A23L Class
- 9.77 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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