Microwave interactive laminate and process for producing microwaveinteractive laminate
CA 1305533 C · Owner: James River Corporation · Inventors: Katz, Leon; Hollenberg, David H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present specification discloses a process for chemically treating the microwave interactive layer of a microwave interactive laminate to reduce or eliminate the capacity of the microwave interactive layer to generate heat in response to microwave energy. The present invention also relates to chemically modified microwave interactive film and chemically modified microwave interactive laminates which include a chemically treated microwave interactive layer. Thus there is provided a microwave cooking heater element comprising a heat stable plastic film coated with a very thin metallic layer to form a microwave interactive film, wherein the very thin metallic layer includes an inactivated …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 2009.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.