Microwave package with easy open seal

(19)

(11)

EP 0 470 771 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	16.12.1992 Bulletin 1992/51

(43)	Date of publication A2:
	12.02.1992 Bulletin 1992/07

(21)	Application number: 91307082.7

(22)	Date of filing: 01.08.1991

(51)	International Patent Classification (IPC)⁵: B65D 81/34

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30)

Priority:

02.08.1990 US 561922

(71)	Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
	Wilmington Delaware 19898 (US)

(72)	Inventor:
	Fuller, Robert Earl Wilmington, Delaware 19808 (US)

(74)	Representative: Jones, Alan John et al
	CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)

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References cited: :

(54)	Microwave package with easy open seal

(57) An easy-to-open package for microwave cooking comprises a layer of non-melting cellulosic material (23), a support layer of polyethylene terephthalate film (25), a layer of vacuum deposited metal (27), and a layer of heat releasable thermoplastic material (29), used to seal the package in a wrapped conformation.

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