Microwave food package with printed-on susceptor

Details Microwave food package with printed-on susceptor Microwave food package with printed-on susceptor

1991-03-27

1992-12-15

Czaja, Donald E.

Food or edible material: processes, compositions, and products

Packaged or wrapped product

Having specific electrical or wave energy feature

219 1055E, 426111, 426234, B65D 8500

Patent

active

051715945

ABSTRACT:
A gusseted microwave food package, such as a microwave popcorn bag, is provided, having a printed-on susceptor with reduced microwave activity under the gussets of the package. The novel susceptor substantially prevents charring of the package during microwave heating at portions of the package under the gussets. Preferably, the susceptor is printed on in a plurality of small patterns so as to prevent the undesirable edge heating effects encountered with large patterns. The printed-on susceptor of this invention may be formed from ink compositions which are graphite or metal based, and are preferably printed on a surface which does not directly contact the food contained in the package. The technique of the invention may be employed with numerous different susceptor patterns so long as the print coverage, and thus the microwave activity, under the gussets is reduced to prevent charring or burning.

REFERENCES:
patent: 4676857 (1987-06-01), Scharr et al.
patent: 4866232 (1989-09-01), Stone
patent: 4883936 (1989-11-01), Maynard et al.
patent: 4904488 (1990-02-01), LaBaw et al.
patent: 4914266 (1990-04-01), Parks et al.
patent: 4943456 (1990-07-01), Pollart et al.
patent: 4959516 (1990-09-01), Tighe et al.
patent: 4970358 (1990-11-01), Brandberg et al.

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