The Procter Gamble Company

Algis S Leveckis

Stephanie S Gelman

Gerald August

An improved microwave energy moderating cooking bag for enclosing, for instance, a food stuff such as a beef roast so that it can be cooked at a relatively high, constant level of power in a microwave energy field (eg; in a microwave oven) to a predetermined degree of doneness without needing to periodically reposition the roast to achieve uniform doneness. The improved bag is of the type having microwave enery moderating wall portions which comprise perforated electrically conductive sheet material: for example, aluminum foil. The bag is improved by virtue of having adjacent side-by-side segments of the perimetrical edges of the electrically conductive sheet material sufficiently offset with respect to each other to virtually obviate edge-to-edge electric field relations. That is, sufficiently offset to precipitate edge-to-surface electric field relations as opposed to edge-to-edge electric field relations.

Microwave energy moderating bag

An improved cooking bag in which, for instance, food can be uniformly cooked by microwave energy in a microwave oven without having to adjust the level of power or stir or reposition the food as is now commonly practiced due to microwave energy being unevenly distributed in contemporary microwave cooking apparatus. The improved bag is of the type having microwave energy moderating wall portions which comprise arrays of complemental-shape microwave reflective areas of electrically conductive material such as aluminum foil, and substantially microwave transparent areas. The bag is improved by having relatively low density, high bulk electrically insulative material disposed adjacent electrically conductive areas to sufficiently electrically insulate or space them to substantially obviate electrical arcing which arcing can, under some circumstances, occur intermediate such areas, and intermediate such areas and adjacent electrically conductive materials: for instance, metal components of a microwave oven and/or metal components or portions of other such bags or other cookware.

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Ludlow, KY, United States of America

Algis S Leveckis