Patent 7452562 was granted and assigned to Kagome (company) on November, 2008 by the United States Patent and Trademark Office.
Sterilized packed pasta is produced by filling a container with pasta and water, boiling the pasta in the container inside a retort at Fo value of 0.1-1.5 while repeatedly increasing pressure inside the retort and releasing pressure inside the retort so as to cause the water to be evaporated, and thereafter sealing the container inside a clean booth.