Claims
- 1. A microwave heatable sheet for cooking food stuff comprising:
- (a) a base layer;
- (b) a microwave receptor material layer which is attached to and extends over an area of said base layer and which heats up in the presence of microwave energy, said microwave receptor material layer having at least one selected mechanically embossed region in said area which is formed into small pieces to reduce the heating characteristic such that the base layer remains structurally intact, said at least one selected region defining a subarea less than said area and having a different heating characteristic in comparison with the remainder of said area.
- 2. A package for holding products to be cooked by microwave cooking, said package being formed from a microwave heatable sheet for cooking food stuff comprising:
- (a) a base layer;
- (b) a microwave receptor material layer which is attached to and extends over an area of said base layer and which heats up in the presence of microwave energy, said microwave receptor material layer having at least one selected mechanically embossed region in said area which is formed into small pieces to reduce the heating characteristic such that the base layer remains structurally intact, said at least one selected region defining a subarea less than said area and having a different heating characteristic in comparison with the remainder of said area.
Parent Case Info
This is a continuation of application Ser. No. 798,357, filed Nov. 21, 1991 U.S. Pat. No. 5,220,143; which was a continuation of application Ser. No. 197,634, filed May 23, 1988 now abandoned.
US Referenced Citations (25)
Foreign Referenced Citations (1)
Number |
Date |
Country |
0205304 |
Dec 1986 |
EPX |
Continuations (2)
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Number |
Date |
Country |
Parent |
798357 |
Nov 1991 |
|
Parent |
197634 |
May 1988 |
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